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744545ffec14f74f26f57828afa685f6f4eadd9e
Analyze and fix the following issue in the Linux kernel code: arm64: dts: ti: k3-am642-sk: Fix mmc1 pinmux
Problem Details: Fix the pinmux for pulldirection to get stable sdcard behavior. Signed-off-by: Nishanth Menon <nm@ti.com> Reviewed-by: Roger Quadros <rogerq@kernel.org> Link: https://lore.kernel.org/r/20230414073328.381336-3-nm@ti.com Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
```diff diff --git a/arch/arm64/boot/dts/ti/k3-am642-sk.dts b/arch/arm64/boot/dts/ti/k3-am642-sk.dts index 2e2d40da360a..9a65f9b1c9ab 100644 --- a/arch/arm64/boot/dts/ti/k3-am642-sk.dts +++ b/arch/arm64/boot/dts/ti/k3-am642-sk.dts @@ -224,14 +224,15 @@ &main_pmx0 { main_mmc1_pins_default: main-mmc1-pins-default { ...
78227fa03c6854e8ca23911309c763d909653c6e
Analyze and fix the following issue in the Linux kernel code: Documentation: kunit: Modular tests should not depend on KUNIT=y
Problem Details: When the documentation was updated for modular tests, the dependency on "KUNIT=y" was forgotten to be updated, now encouraging people to create tests that cannot be enabled when the KUNIT framework itself is modular. Fix this by changing the dependency to "KUNIT". Document when it is appropriate (and ...
```diff diff --git a/Documentation/dev-tools/kunit/start.rst b/Documentation/dev-tools/kunit/start.rst index c736613c9b19..9619a0440930 100644 --- a/Documentation/dev-tools/kunit/start.rst +++ b/Documentation/dev-tools/kunit/start.rst @@ -256,9 +256,12 @@ Now we are ready to write the test cases. config MISC_EXAMPL...
e30f65c4b3d671115bf2a9d9ef142285387f2aff
Analyze and fix the following issue in the Linux kernel code: kunit: tool: undo type subscripts for subprocess.Popen
Problem Details: Writing `subprocess.Popen[str]` requires python 3.9+. kunit.py has an assertion that the python version is 3.7+, so we should try to stay backwards compatible. This conflicts a bit with commit 1da2e6220e11 ("kunit: tool: fix pre-existing `mypy --strict` errors and update run_checks.py"), since mypy co...
```diff diff --git a/tools/testing/kunit/kunit_kernel.py b/tools/testing/kunit/kunit_kernel.py index f01f94106129..7f648802caf6 100644 --- a/tools/testing/kunit/kunit_kernel.py +++ b/tools/testing/kunit/kunit_kernel.py @@ -92,7 +92,7 @@ class LinuxSourceTreeOperations: if stderr: # likely only due to build warnings...
e652be0f59d4ba4d5c636b1f7f4dcb73aae049fa
Analyze and fix the following issue in the Linux kernel code: cpupower:Fix resource leaks in sysfs_get_enabled()
Problem Details: The sysfs_get_enabled() opened file processor not closed, may cause a file handle leak. Putting error handling and resource cleanup code together makes the code easy to maintain and read. Removed the unnecessary else if branch from the original function, as it should return an error in cases other than...
```diff diff --git a/tools/power/cpupower/lib/powercap.c b/tools/power/cpupower/lib/powercap.c index 0ce29ee4c2e4..a7a59c6bacda 100644 --- a/tools/power/cpupower/lib/powercap.c +++ b/tools/power/cpupower/lib/powercap.c @@ -40,25 +40,34 @@ static int sysfs_get_enabled(char *path, int *mode) { int fd; char yes_no; +...
b3dad076a058916c443c93074dc3ee80baaff4ea
Analyze and fix the following issue in the Linux kernel code: staging: octeon: delete my name from TODO contact
Problem Details: I gave up using MIPS OCTEON hardware after the drivers were deleted from staging in 2019. Afterwards, the driver seems to be added back but the TODO contact name was not updated accordingly. Delete my name, as I still get mails from people asking help with the driver and their systems. Fixes: 422d97b8...
```diff diff --git a/drivers/staging/octeon/TODO b/drivers/staging/octeon/TODO index 67a0a1f6b922..044e48e3d65f 100644 --- a/drivers/staging/octeon/TODO +++ b/drivers/staging/octeon/TODO @@ -6,4 +6,3 @@ TODO: - make driver self-contained instead of being split between staging and arch/mips/cavium-octeon. -Conta...
718ac8c8bd6a87d5fa2554089acb8c4f65dd5304
Analyze and fix the following issue in the Linux kernel code: staging: rtl8192e: avoid CamelCase <RATRIndex>
Problem Details: Linux kernel coding-style suggests to not use mixed-case names. Fix checkpatch issue by changing the variable name from camel case to snake case. Signed-off-by: John Grace <johnmgrace1@gmail.com> Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com> Link: https://lore.kernel.org/r/ZEcjdUR/bnln7Z1...
```diff diff --git a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c index aed53fedeb61..c612e31d1a84 100644 --- a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c +++ b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c @@ -1008,7 +1008,7 @@ void rtl92e_fill_tx_desc(struct ne...
65f6c7c91cb2ebacbf155e0f881f81e79f90d138
Analyze and fix the following issue in the Linux kernel code: pinctrl: amd: Revert "pinctrl: amd: disable and mask interrupts on probe"
Problem Details: commit 4e5a04be88fe ("pinctrl: amd: disable and mask interrupts on probe") was well intentioned to mask a firmware issue on a surface laptop, but it has a few problems: 1. It had a bug in the loop handling for iteration 63 that lead to other problems with GPIO0 handling. 2. It disables interrupts th...
```diff diff --git a/drivers/pinctrl/pinctrl-amd.c b/drivers/pinctrl/pinctrl-amd.c index b4dee32e78ee..7a4dd0c861ab 100644 --- a/drivers/pinctrl/pinctrl-amd.c +++ b/drivers/pinctrl/pinctrl-amd.c @@ -877,34 +877,6 @@ static const struct pinconf_ops amd_pinconf_ops = { .pin_config_group_set = amd_pinconf_group_set, };...
0cf9e48ff22e15f3f0882991f33d23ccc5ae1d01
Analyze and fix the following issue in the Linux kernel code: pinctrl: amd: Detect and mask spurious interrupts
Problem Details: Leverage gpiochip_line_is_irq to check whether a pin has an irq associated with it. The previous check ("irq == 0") didn't make much sense. The irq variable refers to the pinctrl irq, and has nothing do to with an individual pin. On some systems, during suspend/resume cycle, the firmware leaves an int...
```diff diff --git a/drivers/pinctrl/pinctrl-amd.c b/drivers/pinctrl/pinctrl-amd.c index 840f9b885ecf..b4dee32e78ee 100644 --- a/drivers/pinctrl/pinctrl-amd.c +++ b/drivers/pinctrl/pinctrl-amd.c @@ -660,21 +660,21 @@ static bool do_amd_gpio_irq_handler(int irq, void *dev_id) * We must read the pin register again, ...
a855724dc08b8cb0c13ab1e065a4922f1e5a7552
Analyze and fix the following issue in the Linux kernel code: pinctrl: amd: Fix mistake in handling clearing pins at startup
Problem Details: commit 4e5a04be88fe ("pinctrl: amd: disable and mask interrupts on probe") had a mistake in loop iteration 63 that it would clear offset 0xFC instead of 0x100. Offset 0xFC is actually `WAKE_INT_MASTER_REG`. This was clearing bits 13 and 15 from the register which significantly changed the expected ha...
```diff diff --git a/drivers/pinctrl/pinctrl-amd.c b/drivers/pinctrl/pinctrl-amd.c index 94cab8aa2bcc..840f9b885ecf 100644 --- a/drivers/pinctrl/pinctrl-amd.c +++ b/drivers/pinctrl/pinctrl-amd.c @@ -897,9 +897,9 @@ static void amd_gpio_irq_init(struct amd_gpio *gpio_dev) raw_spin_lock_irqsave(&gpio_dev->lock, flag...
968ab9261627fa305307e3935ca1a32fcddd36cb
Analyze and fix the following issue in the Linux kernel code: pinctrl: amd: Detect internal GPIO0 debounce handling
Problem Details: commit 4e5a04be88fe ("pinctrl: amd: disable and mask interrupts on probe") had a mistake in loop iteration 63 that it would clear offset 0xFC instead of 0x100. Offset 0xFC is actually `WAKE_INT_MASTER_REG`. This was clearing bits 13 and 15 from the register which significantly changed the expected ha...
```diff diff --git a/drivers/pinctrl/pinctrl-amd.c b/drivers/pinctrl/pinctrl-amd.c index f279b360c20d..94cab8aa2bcc 100644 --- a/drivers/pinctrl/pinctrl-amd.c +++ b/drivers/pinctrl/pinctrl-amd.c @@ -125,6 +125,12 @@ static int amd_gpio_set_debounce(struct gpio_chip *gc, unsigned offset, struct amd_gpio *gpio_dev = gp...
cdf7e616120065007687fe1df0412154f259daec
Analyze and fix the following issue in the Linux kernel code: pinctrl: bcm2835: Handle gpiochip_add_pin_range() errors
Problem Details: gpiochip_add_pin_range() can fail, so better return its error code than a hard coded '0'. Fixes: d2b67744fd99 ("pinctrl: bcm2835: implement hook for missing gpio-ranges") Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Link: https://lore.kernel.org/r/98c3b5890bb72415145c9fe4e1d974711...
```diff diff --git a/drivers/pinctrl/bcm/pinctrl-bcm2835.c b/drivers/pinctrl/bcm/pinctrl-bcm2835.c index 7435173e10f4..1489191a213f 100644 --- a/drivers/pinctrl/bcm/pinctrl-bcm2835.c +++ b/drivers/pinctrl/bcm/pinctrl-bcm2835.c @@ -376,10 +376,8 @@ static int bcm2835_add_pin_ranges_fallback(struct gpio_chip *gc) if (!...
17955aba7877a4494d8093ae5498e19469b01d57
Analyze and fix the following issue in the Linux kernel code: ASoC: fsl_micfil: Fix error handler with pm_runtime_enable
Problem Details: There is error message when defer probe happens: fsl-micfil-dai 30ca0000.micfil: Unbalanced pm_runtime_enable! Fix the error handler with pm_runtime_enable and add fsl_micfil_remove() for pm_runtime_disable. Fixes: 47a70e6fc9a8 ("ASoC: Add MICFIL SoC Digital Audio Interface driver.") Signed-off-by: ...
```diff diff --git a/sound/soc/fsl/fsl_micfil.c b/sound/soc/fsl/fsl_micfil.c index 94341e4352b3..3f08082a55be 100644 --- a/sound/soc/fsl/fsl_micfil.c +++ b/sound/soc/fsl/fsl_micfil.c @@ -1159,7 +1159,7 @@ static int fsl_micfil_probe(struct platform_device *pdev) ret = devm_snd_dmaengine_pcm_register(&pdev->dev, NULL,...
77c2a3097d7029441e8a91aa0de1b4e5464593da
Analyze and fix the following issue in the Linux kernel code: power: supply: bq24190: Call power_supply_changed() after updating input current
Problem Details: The bq24192 model relies on external charger-type detection and once that is done the bq24190_charger code will update the input current. In this case, when the initial power_supply_changed() call is made from the interrupt handler, the input settings are 5V/0.5A which on many devices is not enough po...
```diff diff --git a/drivers/power/supply/bq24190_charger.c b/drivers/power/supply/bq24190_charger.c index de67b985f0a9..dc33f00fcc06 100644 --- a/drivers/power/supply/bq24190_charger.c +++ b/drivers/power/supply/bq24190_charger.c @@ -1262,6 +1262,7 @@ static void bq24190_input_current_limit_work(struct work_struct *wo...
ad3d9c779b1f09f3f3a6fefd07af407c7bc7c9a7
Analyze and fix the following issue in the Linux kernel code: power: supply: bq25890: Call power_supply_changed() after updating input current or voltage
Problem Details: The bq25892 model relies on external charger-type detection and once that is done the bq25890_charger code will update the input current and if pumpexpress is used also the input voltage. In this case, when the initial power_supply_changed() call is made from the interrupt handler, the input settings ...
```diff diff --git a/drivers/power/supply/bq25890_charger.c b/drivers/power/supply/bq25890_charger.c index 557ba532d31a..f8636cf86505 100644 --- a/drivers/power/supply/bq25890_charger.c +++ b/drivers/power/supply/bq25890_charger.c @@ -775,6 +775,7 @@ static void bq25890_charger_external_power_changed(struct power_suppl...
59a99cd462fbdf71f4e845e09f37783035088b4f
Analyze and fix the following issue in the Linux kernel code: power: supply: bq27xxx: After charger plug in/out wait 0.5s for things to stabilize
Problem Details: bq27xxx_external_power_changed() gets called when the charger is plugged in or out. Rather then immediately scheduling an update wait 0.5 seconds for things to stabilize, so that e.g. the (dis)charge current is stable when bq27xxx_battery_update() runs. Fixes: 740b755a3b34 ("bq27x00: Poll battery stat...
```diff diff --git a/drivers/power/supply/bq27xxx_battery.c b/drivers/power/supply/bq27xxx_battery.c index f98b51ce19b5..929e813b9c44 100644 --- a/drivers/power/supply/bq27xxx_battery.c +++ b/drivers/power/supply/bq27xxx_battery.c @@ -2099,8 +2099,8 @@ static void bq27xxx_external_power_changed(struct power_supply *psy...
939a116142012926e25de0ea6b7e2f8d86a5f1b6
Analyze and fix the following issue in the Linux kernel code: power: supply: bq27xxx: Ensure power_supply_changed() is called on current sign changes
Problem Details: On gauges where the current register is signed, there is no charging flag in the flags register. So only checking flags will not result in power_supply_changed() getting called when e.g. a charger is plugged in and the current sign changes from negative (discharging) to positive (charging). This cause...
```diff diff --git a/drivers/power/supply/bq27xxx_battery.c b/drivers/power/supply/bq27xxx_battery.c index 8f2995e9850a..f98b51ce19b5 100644 --- a/drivers/power/supply/bq27xxx_battery.c +++ b/drivers/power/supply/bq27xxx_battery.c @@ -1836,6 +1836,7 @@ static int bq27xxx_battery_current_and_status( static void bq27x...
ff4c4a2a4437a6d03787c7aafb2617f20c3ef45f
Analyze and fix the following issue in the Linux kernel code: power: supply: bq27xxx: Move bq27xxx_battery_update() down
Problem Details: Move the bq27xxx_battery_update() functions to below the bq27xxx_battery_current_and_status() function. This is just moving a block of text, no functional changes. This is a preparation patch for making bq27xxx_battery_update() check the status and have it call power_supply_changed() on status change...
```diff diff --git a/drivers/power/supply/bq27xxx_battery.c b/drivers/power/supply/bq27xxx_battery.c index 1115f233d959..8f2995e9850a 100644 --- a/drivers/power/supply/bq27xxx_battery.c +++ b/drivers/power/supply/bq27xxx_battery.c @@ -1761,67 +1761,6 @@ static int bq27xxx_battery_read_health(struct bq27xxx_device_info ...
35092c5819f8c5acc7bafe3fdbb13d6307c4f5e1
Analyze and fix the following issue in the Linux kernel code: power: supply: bq27xxx: Add cache parameter to bq27xxx_battery_current_and_status()
Problem Details: Add a cache parameter to bq27xxx_battery_current_and_status() so that it can optionally use cached flags instead of re-reading them itself. This is a preparation patch for making bq27xxx_battery_update() check the status and have it call power_supply_changed() on status changes. Fixes: 297a533b3e62 (...
```diff diff --git a/drivers/power/supply/bq27xxx_battery.c b/drivers/power/supply/bq27xxx_battery.c index 7411f1cf741b..1115f233d959 100644 --- a/drivers/power/supply/bq27xxx_battery.c +++ b/drivers/power/supply/bq27xxx_battery.c @@ -1840,7 +1840,8 @@ static bool bq27xxx_battery_is_full(struct bq27xxx_device_info *di,...
c00bc80462afc7963f449d7f21d896d2f629cacc
Analyze and fix the following issue in the Linux kernel code: power: supply: bq27xxx: Fix poll_interval handling and races on remove
Problem Details: Before this patch bq27xxx_battery_teardown() was setting poll_interval = 0 to avoid bq27xxx_battery_update() requeuing the delayed_work item. There are 2 problems with this: 1. If the driver is unbound through sysfs, rather then the module being rmmod-ed, this changes poll_interval unexpectedly 2...
```diff diff --git a/drivers/power/supply/bq27xxx_battery.c b/drivers/power/supply/bq27xxx_battery.c index 79aedf83cc8d..7411f1cf741b 100644 --- a/drivers/power/supply/bq27xxx_battery.c +++ b/drivers/power/supply/bq27xxx_battery.c @@ -1801,7 +1801,7 @@ static void bq27xxx_battery_update_unlocked(struct bq27xxx_device_i...
444ff00734f3878cd54ddd1ed5e2e6dbea9326d5
Analyze and fix the following issue in the Linux kernel code: power: supply: bq27xxx: Fix I2C IRQ race on remove
Problem Details: devm_request_threaded_irq() requested IRQs are only free-ed after the driver's remove function has ran. So the IRQ could trigger and call bq27xxx_battery_update() after bq27xxx_battery_teardown() has already run. Switch to explicitly free-ing the IRQ in bq27xxx_battery_i2c_remove() to fix this. Fixes...
```diff diff --git a/drivers/power/supply/bq27xxx_battery_i2c.c b/drivers/power/supply/bq27xxx_battery_i2c.c index f8768997333b..6d3c74876339 100644 --- a/drivers/power/supply/bq27xxx_battery_i2c.c +++ b/drivers/power/supply/bq27xxx_battery_i2c.c @@ -179,7 +179,7 @@ static int bq27xxx_battery_i2c_probe(struct i2c_clien...
5c34c0aef185dcd10881847b9ebf20046aa77cb4
Analyze and fix the following issue in the Linux kernel code: power: supply: bq27xxx: Fix bq27xxx_battery_update() race condition
Problem Details: bq27xxx_battery_update() assumes / requires that it is only run once, not multiple times at the same time. But there are 3 possible callers: 1. bq27xxx_battery_poll() delayed_work item handler 2. bq27xxx_battery_irq_handler_thread() I2C IRQ handler 3. bq27xxx_battery_setup() And there is no protectio...
```diff diff --git a/drivers/power/supply/bq27xxx_battery.c b/drivers/power/supply/bq27xxx_battery.c index 5ff6f44fd47b..79aedf83cc8d 100644 --- a/drivers/power/supply/bq27xxx_battery.c +++ b/drivers/power/supply/bq27xxx_battery.c @@ -1761,7 +1761,7 @@ static int bq27xxx_battery_read_health(struct bq27xxx_device_info *...
6121cd9ef911432b14c2a17aefaf8cd2f3cfcdff
Analyze and fix the following issue in the Linux kernel code: fbdev: Move I/O read and write code into helper functions
Problem Details: Move the existing I/O read and write code for I/O memory into the new helpers fb_cfb_read() and fb_cfb_write(). Make them the default fp_ops. No functional changes. In the near term, the new functions will be useful to the DRM subsystem, which currently provides it's own implementation. It can then us...
```diff diff --git a/drivers/video/fbdev/core/Makefile b/drivers/video/fbdev/core/Makefile index 08fabce76b74..8f0060160ffb 100644 --- a/drivers/video/fbdev/core/Makefile +++ b/drivers/video/fbdev/core/Makefile @@ -2,7 +2,7 @@ obj-$(CONFIG_FB_NOTIFY) += fb_notify.o obj-$(CONFIG_FB) += fb.o ...
921b7383f34802726a7f45b6b38ef62bae0df4d6
Analyze and fix the following issue in the Linux kernel code: fbdev: Return number of bytes read or written
Problem Details: Always return the number of bytes read or written within the framebuffer. Only return an errno code if framebuffer memory was not touched. This is the semantics required by POSIX and makes fb_read() and fb_write() compatible with IGT tests. [1] This bug has been fixed for fb_write() long ago by commit...
```diff diff --git a/drivers/video/fbdev/core/fb_sys_fops.c b/drivers/video/fbdev/core/fb_sys_fops.c index ff275d7f3eaf..cefb77b9546d 100644 --- a/drivers/video/fbdev/core/fb_sys_fops.c +++ b/drivers/video/fbdev/core/fb_sys_fops.c @@ -19,7 +19,8 @@ ssize_t fb_sys_read(struct fb_info *info, char __user *buf, size_t coun...
0f88130e8a6fd185b0aeb5d8e286083735f2585a
Analyze and fix the following issue in the Linux kernel code: x86/mm: Fix __swp_entry_to_pte() for Xen PV guests
Problem Details: Normally __swp_entry_to_pte() is never called with a value translating to a valid PTE. The only known exception is pte_swap_tests(), resulting in a WARN splat in Xen PV guests, as __pte_to_swp_entry() did translate the PFN of the valid PTE to a guest local PFN, while __swp_entry_to_pte() doesn't do the...
```diff diff --git a/arch/x86/include/asm/pgtable_64.h b/arch/x86/include/asm/pgtable_64.h index 7929327abe00..a629b1b9f65a 100644 --- a/arch/x86/include/asm/pgtable_64.h +++ b/arch/x86/include/asm/pgtable_64.h @@ -237,8 +237,8 @@ static inline void native_pgd_clear(pgd_t *pgd) #define __pte_to_swp_entry(pte) ((swp...
e4484643991e0f6b89060092563f0dbab9450cbb
Analyze and fix the following issue in the Linux kernel code: power: supply: leds: Fix blink to LED on transition
Problem Details: When a battery's status changes from charging to full then the charging-blink-full-solid trigger tries to change the LED from blinking to solid/on. As is documented in include/linux/leds.h to deactivate blinking / to make the LED solid a LED_OFF must be send: """ * Deactivate blinking again ...
```diff diff --git a/drivers/power/supply/power_supply_leds.c b/drivers/power/supply/power_supply_leds.c index 702bf83f6e6d..0674483279d7 100644 --- a/drivers/power/supply/power_supply_leds.c +++ b/drivers/power/supply/power_supply_leds.c @@ -35,8 +35,9 @@ static void power_supply_update_bat_leds(struct power_supply *p...
4d5c129d6c8993fe96e9ae712141eedcb9ca68c2
Analyze and fix the following issue in the Linux kernel code: power: supply: sc27xx: Fix external_power_changed race
Problem Details: sc27xx_fgu_external_power_changed() dereferences data->battery, which gets sets in ab8500_btemp_probe() like this: data->battery = devm_power_supply_register(dev, &sc27xx_fgu_desc, &fgu_cfg); As soon as devm_power_supply_register() has called device...
```diff diff --git a/drivers/power/supply/sc27xx_fuel_gauge.c b/drivers/power/supply/sc27xx_fuel_gauge.c index 632977f84b95..bd23c4d9fed4 100644 --- a/drivers/power/supply/sc27xx_fuel_gauge.c +++ b/drivers/power/supply/sc27xx_fuel_gauge.c @@ -733,13 +733,6 @@ static int sc27xx_fgu_set_property(struct power_supply *psy,...
029a443b9b6424170f00f6dd5b7682e682cce92e
Analyze and fix the following issue in the Linux kernel code: power: supply: bq25890: Fix external_power_changed race
Problem Details: bq25890_charger_external_power_changed() dereferences bq->charger, which gets sets in bq25890_power_supply_init() like this: bq->charger = devm_power_supply_register(bq->dev, &bq->desc, &psy_cfg); As soon as devm_power_supply_register() has called device_add() the external_power_changed callback ca...
```diff diff --git a/drivers/power/supply/bq25890_charger.c b/drivers/power/supply/bq25890_charger.c index 22cde35eb144..557ba532d31a 100644 --- a/drivers/power/supply/bq25890_charger.c +++ b/drivers/power/supply/bq25890_charger.c @@ -750,7 +750,7 @@ static void bq25890_charger_external_power_changed(struct power_suppl...
f8319774d6f1567d6e7d03653174ab0c82c5c66d
Analyze and fix the following issue in the Linux kernel code: power: supply: axp288_fuel_gauge: Fix external_power_changed race
Problem Details: fuel_gauge_external_power_changed() dereferences info->bat, which gets sets in axp288_fuel_gauge_probe() like this: info->bat = devm_power_supply_register(dev, &fuel_gauge_desc, &psy_cfg); As soon as devm_power_supply_register() has called device_add() the external_power_changed callback can get ca...
```diff diff --git a/drivers/power/supply/axp288_fuel_gauge.c b/drivers/power/supply/axp288_fuel_gauge.c index 05f413178462..3be6f3b10ea4 100644 --- a/drivers/power/supply/axp288_fuel_gauge.c +++ b/drivers/power/supply/axp288_fuel_gauge.c @@ -507,7 +507,7 @@ static void fuel_gauge_external_power_changed(struct power_su...
a5299ce4e96f3e8930e9c051b28d8093ada87b08
Analyze and fix the following issue in the Linux kernel code: power: supply: ab8500: Fix external_power_changed race
Problem Details: ab8500_btemp_external_power_changed() dereferences di->btemp_psy, which gets sets in ab8500_btemp_probe() like this: di->btemp_psy = devm_power_supply_register(dev, &ab8500_btemp_desc, &psy_cfg); As soon as devm_power_supply_register() has ca...
```diff diff --git a/drivers/power/supply/ab8500_btemp.c b/drivers/power/supply/ab8500_btemp.c index 307ee6f71042..6f83e99d2eb7 100644 --- a/drivers/power/supply/ab8500_btemp.c +++ b/drivers/power/supply/ab8500_btemp.c @@ -624,10 +624,8 @@ static int ab8500_btemp_get_ext_psy_data(struct device *dev, void *data) */ s...
536d948a8dee21166d9c5b5a4189af56beba16e3
Analyze and fix the following issue in the Linux kernel code: powerpc/fsl_uli1575: fix kconfig warnings and build errors
Problem Details: Neither FSL_SOC_BOOKE nor PPC_86xx enables CONFIG_PCI by default, so it may be unset in some randconfigs. When that happens, FSL_ULI1575 may be set when it should not be since it is a PCI driver. When it is set, there are 3 kconfig warnings and a slew of build errors WARNING: unmet direct dependencies...
```diff diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig index 0d9b7609c7d5..3e2e252016f7 100644 --- a/arch/powerpc/platforms/Kconfig +++ b/arch/powerpc/platforms/Kconfig @@ -265,6 +265,7 @@ config CPM2 config FSL_ULI1575 bool "ULI1575 PCIe south bridge support" depends on FSL_SOC_BOOKE...
79de36042eecb684e0f748d17ba52f365fde0d65
Analyze and fix the following issue in the Linux kernel code: powerpc/isa-bridge: Fix ISA mapping when "ranges" is not present
Problem Details: Commit e4ab08be5b49 ("powerpc/isa-bridge: Remove open coded "ranges" parsing") broke PASemi Nemo board booting. The issue is the ISA I/O range was not getting mapped as the logic to handle no "ranges" was inverted. If phb_io_base_phys is non-zero, then the ISA range defaults to the first 64K of the PCI...
```diff diff --git a/arch/powerpc/kernel/isa-bridge.c b/arch/powerpc/kernel/isa-bridge.c index 85bdd7d3652f..48e0eaf1ad61 100644 --- a/arch/powerpc/kernel/isa-bridge.c +++ b/arch/powerpc/kernel/isa-bridge.c @@ -93,11 +93,12 @@ static int process_ISA_OF_ranges(struct device_node *isa_node, } inval_range: - if (!phb...
97dd69b1ade166f3200546e5fb7984986cafcf81
Analyze and fix the following issue in the Linux kernel code: power: supply: cros_pchg: Sync port status on resume
Problem Details: When a stylus is removed (or attached) during suspend, the device detach (or attach) events can be lost. This patch makes the peripheral device charge driver retrieve the latest status from the EC on resume. BUG=b:276414488 TEST=Redrix Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org> Signed-off-b...
```diff diff --git a/drivers/power/supply/cros_peripheral_charger.c b/drivers/power/supply/cros_peripheral_charger.c index 1379afd9698d..a204f2355be4 100644 --- a/drivers/power/supply/cros_peripheral_charger.c +++ b/drivers/power/supply/cros_peripheral_charger.c @@ -227,8 +227,7 @@ static int cros_pchg_get_prop(struct ...
d41dab4c031edaa460a484113394327aa52dc0bd
Analyze and fix the following issue in the Linux kernel code: dt-bindings: power: reset: qcom-pon: Only allow reboot-mode pre-pmk8350
Problem Details: As pointed out by Shazad [1], PMICs using a separate HLOS+PBS scheme (so PMK8350 and newer) are expected to pass reboot mode data through SDAM, as the reboot mode registers are absent in the HLOS reg space. Limit the reboot-mode.yaml inclusion to PMICs without a separate PBS region. [1] https://lore....
```diff diff --git a/Documentation/devicetree/bindings/power/reset/qcom,pon.yaml b/Documentation/devicetree/bindings/power/reset/qcom,pon.yaml index d96170eecbd2..0b1eca734d3b 100644 --- a/Documentation/devicetree/bindings/power/reset/qcom,pon.yaml +++ b/Documentation/devicetree/bindings/power/reset/qcom,pon.yaml @@ -5...
19c9322e36a0c8726b901d6c8adb7c9d785da393
Analyze and fix the following issue in the Linux kernel code: scsi: ufs: ufs-mediatek: Delete some dead code
Problem Details: There is already a test for "if (val == state)" earlier so it's not possible here. Delete the dead code. Fixes: 9006e3986f66 ("scsi: ufs-mediatek: Do not gate clocks if auto-hibern8 is not entered yet") Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Link: https://lore.kernel.org/r/68fce64f-4...
```diff diff --git a/drivers/ufs/host/ufs-mediatek.c b/drivers/ufs/host/ufs-mediatek.c index 73e217260390..a054810e321d 100644 --- a/drivers/ufs/host/ufs-mediatek.c +++ b/drivers/ufs/host/ufs-mediatek.c @@ -410,9 +410,6 @@ static int ufs_mtk_wait_link_state(struct ufs_hba *hba, u32 state, usleep_range(100, 200); }...
f025312b089474a54e4859f3453771314d9e3d4f
Analyze and fix the following issue in the Linux kernel code: scsi: qedf: Fix NULL dereference in error handling
Problem Details: Smatch reported: drivers/scsi/qedf/qedf_main.c:3056 qedf_alloc_global_queues() warn: missing unwind goto? At this point in the function, nothing has been allocated so we can return directly. In particular the "qedf->global_queues" have not been allocated so calling qedf_free_global_queues() will lead...
```diff diff --git a/drivers/scsi/qedf/qedf_main.c b/drivers/scsi/qedf/qedf_main.c index 3b64de81ea0d..2a31ddc99dde 100644 --- a/drivers/scsi/qedf/qedf_main.c +++ b/drivers/scsi/qedf/qedf_main.c @@ -3041,9 +3041,8 @@ static int qedf_alloc_global_queues(struct qedf_ctx *qedf) * addresses of our queues */ if (!qe...
c23efd9eadd8d07c0e88b52296d9f74350e7af7f
Analyze and fix the following issue in the Linux kernel code: scsi: smartpqi: Fix byte aligned writew for ARM servers
Problem Details: Correct OOPs on ARM servers during driver init. The driver attempts to update FW with max_feature_supported value using a writew() kernel call using a byte aligned address. This fails on some ARM systems. Change the writew() to two writeb() calls to update this value. Reviewed-by: Scott Benesh <scot...
```diff diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c index 19a97bbf89b5..d3d4fc90dcae 100644 --- a/drivers/scsi/smartpqi/smartpqi_init.c +++ b/drivers/scsi/smartpqi/smartpqi_init.c @@ -7718,8 +7718,8 @@ static int pqi_enable_firmware_features(struct pqi_ctrl_info *ctrl_info...
2312e844dc8d5fd66f179baa3d848d2613e4f81f
Analyze and fix the following issue in the Linux kernel code: scsi: smartpqi: Fix rare SAS transport memory leak
Problem Details: Free rphy when pqi_sas_port_add_rphy() returns an error. If pqi_sas_port_add_rphy() returns an error, the 'rphy' allocated in sas_end_device_alloc() needs to be freed. It should be noted that no issues were ever reported. Reviewed-by: Scott Benesh <scott.benesh@microchip.com> Reviewed-by: Scott Teel...
```diff diff --git a/drivers/scsi/smartpqi/smartpqi_sas_transport.c b/drivers/scsi/smartpqi/smartpqi_sas_transport.c index 52dbe37364bf..36b90b55cf5f 100644 --- a/drivers/scsi/smartpqi/smartpqi_sas_transport.c +++ b/drivers/scsi/smartpqi/smartpqi_sas_transport.c @@ -293,10 +293,12 @@ int pqi_add_sas_device(struct pqi_s...
889cda36db99e3ef0c9a6d2e6c64de725913394b
Analyze and fix the following issue in the Linux kernel code: scsi: smartpqi: Remove NULL pointer check
Problem Details: Remove an unnecessary check for a NULL pointer. This unnecessary check was flagged by Coverity. Reviewed-by: Scott Benesh <scott.benesh@microchip.com> Reviewed-by: Scott Teel <scott.teel@microchip.com> Reviewed-by: Mike McGowen <mike.mcgowen@microchip.com> Signed-off-by: Kevin Barnett <kevin.barnett@...
```diff diff --git a/drivers/scsi/smartpqi/smartpqi_sas_transport.c b/drivers/scsi/smartpqi/smartpqi_sas_transport.c index 13e8c539010e..52dbe37364bf 100644 --- a/drivers/scsi/smartpqi/smartpqi_sas_transport.c +++ b/drivers/scsi/smartpqi/smartpqi_sas_transport.c @@ -92,25 +92,23 @@ static int pqi_sas_port_add_rphy(stru...
b843adde8d490934d042fbe9e3e46697cb3a64d2
Analyze and fix the following issue in the Linux kernel code: scsi: qla2xxx: Fix mem access after free
Problem Details: System crash, where driver is accessing scsi layer's memory (scsi_cmnd->device->host) to search for a well known internal pointer (vha). The scsi_cmnd was released back to upper layer which could be freed, but the driver is still accessing it. 7 [ffffa8e8d2c3f8d0] page_fault at ffffffff86c010fe [exc...
```diff diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index f3107508cf12..a07c010b0843 100644 --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -1862,9 +1862,9 @@ qla2x00_process_completed_request(struct scsi_qla_host *vha, } } -srb_t * -qla2x00_get_sp_from...
9ae615c5bfd37bd091772969b1153de5335ea986
Analyze and fix the following issue in the Linux kernel code: scsi: qla2xxx: Fix hang in task management
Problem Details: Task management command hangs where a side band chip reset failed to nudge the TMF from it's current send path. Add additional error check to block TMF from entering during chip reset and along the TMF path to cause it to bail out, skip over abort of marker. Cc: stable@vger.kernel.org Signed-off-by: ...
```diff diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index e345ccbff807..dfee3b41bdf1 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -5515,4 +5515,8 @@ struct ql_vnd_tgt_stats_resp { _fp->disc_state, _fp->scan_state, _fp->loop_id, _fp->deleted, \ ...
6a87679626b51b53fbb6be417ad8eb083030b617
Analyze and fix the following issue in the Linux kernel code: scsi: qla2xxx: Fix task management cmd fail due to unavailable resource
Problem Details: Task management command failed with status 2Ch which is a result of too many task management commands sent to the same target. Hence limit task management commands to 8 per target. Reported-by: kernel test robot <lkp@intel.com> Link: https://lore.kernel.org/oe-kbuild-all/202304271952.NKNmoFzv-lkp@inte...
```diff diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index 02287205ca2e..e345ccbff807 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -2542,6 +2542,7 @@ enum rscn_addr_format { typedef struct fc_port { struct list_head list; struct scsi_qla_host *...
9803fb5d27597ea98f2e05b0b6cfc48ae808458e
Analyze and fix the following issue in the Linux kernel code: scsi: qla2xxx: Fix task management cmd failure
Problem Details: Task management cmd failed with status 30h which means FW is not able to finish processing one task management before another task management for the same lun. Hence add wait for completion of marker to space it out. Reported-by: kernel test robot <lkp@intel.com> Link: https://lore.kernel.org/oe-kbuil...
```diff diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index b7c0132ed0a9..02287205ca2e 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -471,6 +471,7 @@ struct tmf_arg { struct scsi_qla_host *vha; u64 lun; u32 flags; + uint8_t modifier; }; stru...
5fc849d8056d6f51bc8cd43cbcd85d4e71aa1ee2
Analyze and fix the following issue in the Linux kernel code: scsi: lpfc: Add new RCQE status for handling DMA failures
Problem Details: A new RCQE status value indicating DMA failure when transferring asynchronously received data to an RQE is introduced. Such errors are unexpected and handlers are updated to log KERN_ERR and dump lpfc's debug trace buffer to kmsg. Signed-off-by: Justin Tee <justin.tee@broadcom.com> Link: https://lore...
```diff diff --git a/drivers/scsi/lpfc/lpfc_hw4.h b/drivers/scsi/lpfc/lpfc_hw4.h index a42811682ac7..082f8a109e55 100644 --- a/drivers/scsi/lpfc/lpfc_hw4.h +++ b/drivers/scsi/lpfc/lpfc_hw4.h @@ -536,9 +536,9 @@ struct sli4_wcqe_xri_aborted { /* completion queue entry structure for rqe completion */ struct lpfc_rcqe {...
97f975823f8196d970bd795087b514271214677a
Analyze and fix the following issue in the Linux kernel code: scsi: lpfc: Fix double free in lpfc_cmpl_els_logo_acc() caused by lpfc_nlp_not_used()
Problem Details: Smatch detected a double free path because lpfc_nlp_not_used() releases an ndlp object before reaching lpfc_nlp_put() at the end of lpfc_cmpl_els_logo_acc(). Remove the outdated lpfc_nlp_not_used() routine. In lpfc_mbx_cmpl_ns_reg_login(), replace the call with lpfc_nlp_put(). In lpfc_cmpl_els_logo_...
```diff diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h index b833b983e69d..0b9edde26abd 100644 --- a/drivers/scsi/lpfc/lpfc_crtn.h +++ b/drivers/scsi/lpfc/lpfc_crtn.h @@ -134,7 +134,6 @@ void lpfc_check_nlp_post_devloss(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp); void lpfc_...
84c868a702f520a75af8a6f0bf8084135e09c510
Analyze and fix the following issue in the Linux kernel code: scsi: lpfc: Fix verbose logging for SCSI commands issued to SES devices
Problem Details: For SES LUNs with scsi_device sector_size member set to zero, there is no point to log an LBA. When verbose FCP driver logging is enabled, sanity check sector_size before calling scsi_get_lba() on a scsi_cmnd. Signed-off-by: Justin Tee <justin.tee@broadcom.com> Link: https://lore.kernel.org/r/2023041...
```diff diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index e989f130434e..49aa86c477c6 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -4273,7 +4273,8 @@ lpfc_fcp_io_cmd_wqe_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pwqeIn, "x%x SNS x%x x%x LBA x...
6a516506aad6a6aae8b70c3dd9e180d060426f1b
Analyze and fix the following issue in the Linux kernel code: scsi: pm80xx: Enable init logging
Problem Details: Enable init logging to debug drive discovery issues. Signed-off-by: Akshat Jain <akshatzen@google.com> Signed-off-by: Pranav Prasad <pranavpp@google.com> Link: https://lore.kernel.org/r/20230418190101.696345-3-pranavpp@google.com Acked-by: Jack Wang <jinpu.wang@ionos.com> Signed-off-by: Martin K. Pete...
```diff diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c index 90b2428986a6..c23250aab4f9 100644 --- a/drivers/scsi/pm8001/pm8001_init.c +++ b/drivers/scsi/pm8001/pm8001_init.c @@ -44,7 +44,7 @@ #include "pm80xx_hwi.h" static ulong logging_level = PM8001_FAIL_LOGGING | PM8001_IOERR...
b7d26c1d8c51632cfce1cb1f0db7b125bc6533f6
Analyze and fix the following issue in the Linux kernel code: scsi: pm80xx: Log some HW events by default
Problem Details: Log the following hw_event logs under EVENT log severity to help debug disk issues: HW_EVENT_LINK_ERR_INVALID_DWORD HW_EVENT_LINK_ERR_DISPARITY_ERROR HW_EVENT_LINK_ERR_CODE_VIOLATION HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH HW_EVENT_LINK_ERR_PHY_RESET_FAILED HW_EVENT_INBOUND_CRC_ERROR HW_EV...
```diff diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c index 8b9490011e36..90b2428986a6 100644 --- a/drivers/scsi/pm8001/pm8001_init.c +++ b/drivers/scsi/pm8001/pm8001_init.c @@ -43,7 +43,8 @@ #include "pm8001_chips.h" #include "pm80xx_hwi.h" -static ulong logging_level = PM8001_...
1a7edd041f2d252f251523ba3f2eaead076a8f8d
Analyze and fix the following issue in the Linux kernel code: scsi: ufs: core: Fix I/O hang that occurs when BKOPS fails in W-LUN suspend
Problem Details: Even when urgent BKOPS fails, the consumer will get stuck in runtime suspend status. Like commit 1a5665fc8d7a ("scsi: ufs: core: WLUN suspend SSU/enter hibern8 fail recovery"), trigger the error handler and return -EBUSY to break the suspend. Fixes: b294ff3e3449 ("scsi: ufs: core: Enable power managem...
```diff diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c index 17d7bb875fee..45fd374fe56c 100644 --- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -9459,8 +9459,16 @@ static int __ufshcd_wl_suspend(struct ufs_hba *hba, enum ufs_pm_op pm_op) * that performance might be impacted. ...
ae3c253f595b31ff30d55b4c50b4470e56bc4e0d
Analyze and fix the following issue in the Linux kernel code: media: platform: mtk-mdp3: work around unused-variable warning
Problem Details: When CONFIG_OF is disabled, the 'data' variable is not used at all because of_match_node() turns into a dummy macro: drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c: In function 'mdp_comp_sub_create': drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c:1038:36: error: unused variable 'data' [-We...
```diff diff --git a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c index 75c92e282fa2..19a4a085f73a 100644 --- a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c +++ b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c @@ -1035,7 +1035,6 @@ static int ...
55e2a6e36be6d61f914898ce731f9321c0dcf4e8
Analyze and fix the following issue in the Linux kernel code: media: nxp: ignore unused suspend operations
Problem Details: gcc warns about some functions being unused when CONFIG_PM_SLEEP is disabled: drivers/media/platform/nxp/imx8-isi/imx8-isi-core.c:328:12: error: 'mxc_isi_pm_resume' defined but not used [-Werror=unused-function] 328 | static int mxc_isi_pm_resume(struct device *dev) | ^~~~~~~~~~~~~~...
```diff diff --git a/drivers/media/platform/nxp/imx8-isi/imx8-isi-core.c b/drivers/media/platform/nxp/imx8-isi/imx8-isi-core.c index 238521622b75..253e77189b69 100644 --- a/drivers/media/platform/nxp/imx8-isi/imx8-isi-core.c +++ b/drivers/media/platform/nxp/imx8-isi/imx8-isi-core.c @@ -378,8 +378,8 @@ static int mxc_is...
e10707d5865c90d3dfe4ef589ce02ff4287fef85
Analyze and fix the following issue in the Linux kernel code: media: rcar-vin: Select correct interrupt mode for V4L2_FIELD_ALTERNATE
Problem Details: When adding proper support for V4L2_FIELD_ALTERNATE it was missed that this field format should trigger an interrupt for each field, not just for the whole frame. Fix this by marking it as progressive in the capture setup, which will then select the correct interrupt mode. Tested on both Gen2 and Gen3...
```diff diff --git a/drivers/media/platform/renesas/rcar-vin/rcar-dma.c b/drivers/media/platform/renesas/rcar-vin/rcar-dma.c index 23598e22adc7..2a77353f10b5 100644 --- a/drivers/media/platform/renesas/rcar-vin/rcar-dma.c +++ b/drivers/media/platform/renesas/rcar-vin/rcar-dma.c @@ -728,11 +728,9 @@ static int rvin_setu...
cb88d8289fc222bd21b7a7f99b055e7e73e316f4
Analyze and fix the following issue in the Linux kernel code: media: rcar-vin: Fix NV12 size alignment
Problem Details: When doing format validation for NV12 the width and height should be aligned to 32 pixels. Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
```diff diff --git a/drivers/media/platform/renesas/rcar-vin/rcar-dma.c b/drivers/media/platform/renesas/rcar-vin/rcar-dma.c index cc6b59e5621a..23598e22adc7 100644 --- a/drivers/media/platform/renesas/rcar-vin/rcar-dma.c +++ b/drivers/media/platform/renesas/rcar-vin/rcar-dma.c @@ -1320,9 +1320,15 @@ static int rvin_mc...
3d56c7364389fce14547803fef56d6f2cab5d366
Analyze and fix the following issue in the Linux kernel code: memory: renesas-rpc-if: Fix PHYCNT.STRTIM setting
Problem Details: According to the datasheets, the Strobe Timing Adjustment bit (STRTIM) setting is different on R-Car SoCs, i.e. R-Car M3 ES1.* : STRTIM[2:0] is set to 0x6 other R-Car Gen3: STRTIM[2:0] is set to 0x7 other R-Car Gen4: STRTIM[3:0] is set to 0xf To fix this issue, a DT match data was added to specify t...
```diff diff --git a/drivers/memory/renesas-rpc-if.c b/drivers/memory/renesas-rpc-if.c index 025bb628aaf3..75fcba45ec1b 100644 --- a/drivers/memory/renesas-rpc-if.c +++ b/drivers/memory/renesas-rpc-if.c @@ -7,6 +7,7 @@ * Copyright (C) 2019-2020 Cogent Embedded, Inc. */ +#include <linux/bitops.h> #include <linux/...
6ad9cf7a615287d640deb4a6530c4d9846621be0
Analyze and fix the following issue in the Linux kernel code: MAINTAINERS: adjust file entry for ARM/APPLE MACHINE SUPPORT
Problem Details: Commit de614ac31955 ("MAINTAINERS: Add entries for Apple PWM driver") adds an entry for Documentation/devicetree/bindings/pwm/pwm-apple.yaml, but commit 87a3a3929c71 ("dt-bindings: pwm: Add Apple PWM controller") from the same patch series actually adds the devicetree binding file with the name apple,s...
```diff diff --git a/MAINTAINERS b/MAINTAINERS index 7e0b87d5aa2e..47fa34c4cbb2 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1961,7 +1961,7 @@ F: Documentation/devicetree/bindings/nvmem/apple,efuses.yaml F: Documentation/devicetree/bindings/pci/apple,pcie.yaml F: Documentation/devicetree/bindings/pinctrl/apple,pinc...
23a5b8bb022c1e071ca91b1a9c10f0ad6a0966e9
Analyze and fix the following issue in the Linux kernel code: x86/amd_nb: Add PCI ID for family 19h model 78h
Problem Details: Commit 310e782a99c7 ("platform/x86/amd: pmc: Utilize SMN index 0 for driver probe") switched to using amd_smn_read() which relies upon the misc PCI ID used by DF function 3 being included in a table. The ID for model 78h is missing in that table, so amd_smn_read() doesn't work. Add the missing ID...
```diff diff --git a/arch/x86/kernel/amd_nb.c b/arch/x86/kernel/amd_nb.c index 4266b64631a4..7e331e8f3692 100644 --- a/arch/x86/kernel/amd_nb.c +++ b/arch/x86/kernel/amd_nb.c @@ -36,6 +36,7 @@ #define PCI_DEVICE_ID_AMD_19H_M50H_DF_F4 0x166e #define PCI_DEVICE_ID_AMD_19H_M60H_DF_F4 0x14e4 #define PCI_DEVICE_ID_AMD_19...
b9279e9b28bb8754495f66d70902fa35c8fa7f53
Analyze and fix the following issue in the Linux kernel code: drm/i915: Fix wrong condition in bxt_set_cdclk for DG2
Problem Details: By my own mistake, after adding !IS_DG2 into wrong branch, bxt_set_cdclk started to execute code intended for platforms gen < 11, which is wrong. Move IS_DG2 check to better place. Fixes: ceb0cc3b4288 ("drm/i915: Communicate display power demands to pcode") Signed-off-by: Stanislav Lisovskiy <stanisla...
```diff diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.c b/drivers/gpu/drm/i915/display/intel_cdclk.c index a11092deaba6..6bed75f1541a 100644 --- a/drivers/gpu/drm/i915/display/intel_cdclk.c +++ b/drivers/gpu/drm/i915/display/intel_cdclk.c @@ -1896,9 +1896,9 @@ static void bxt_set_cdclk(struct drm_i915_private *...
e42f110700ed7293700c26145e1ed07ea05ac3f6
Analyze and fix the following issue in the Linux kernel code: phy: qcom-qmp-pcie-msm8996: fix init-count imbalance
Problem Details: The init counter is not decremented on initialisation errors, which prevents retrying initialisation. Add the missing decrement on initialisation errors so that the counter reflects the state of the device. Fixes: e78f3d15e115 ("phy: qcom-qmp: new qmp phy driver for qcom-chipsets") Cc: stable@vger.ke...
```diff diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c b/drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c index 09824be088c9..0c603bc06e09 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c @@ -379,7 +379,7 @@ static int qmp_pcie_msm8996_c...
9bf03a0cbd80a256bc1e1c4bcc80bc2b06b8b2b9
Analyze and fix the following issue in the Linux kernel code: phy: qcom-qmp-combo: fix init-count imbalance
Problem Details: The init counter is not decremented on initialisation errors, which prevents retrying initialisation and can lead to the runtime suspend callback attempting to disable resources that have never been enabled. Add the missing decrement on initialisation errors so that the counter reflects the state of t...
```diff diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c index 6850e04c329b..87b17e5877ab 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c @@ -2472,7 +2472,7 @@ static int qmp_combo_com_init(struct qmp_combo *qmp) ...
a6fcdd8d95f7486150b3faadfea119fc3dfc3b74
Analyze and fix the following issue in the Linux kernel code: sched/debug: Correct printing for rq->nr_uninterruptible
Problem Details: Commit e6fe3f422be1 ("sched: Make multiple runqueue task counters 32-bit") changed the type for rq->nr_uninterruptible from "unsigned long" to "unsigned int", but left wrong cast print to /sys/kernel/debug/sched/debug and to the console. For example, nr_uninterruptible's value is fffffff7 with type "u...
```diff diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c index 0b2340a79b65..066ff1c8ae4e 100644 --- a/kernel/sched/debug.c +++ b/kernel/sched/debug.c @@ -777,7 +777,7 @@ static void print_cpu(struct seq_file *m, int cpu) #define P(x) \ do { \ if (sizeof(rq->x) == 4) \ - SEQ_printf(m, "...
ca528cc501896a808dc79c3c0544369d23b331c8
Analyze and fix the following issue in the Linux kernel code: sched/topology: Remove SHARED_CHILD from ASYM_PACKING
Problem Details: Only x86 and Power7 use ASYM_PACKING. They use it differently. Power7 has cores of equal priority, but the SMT siblings of a core have different priorities. Parent scheduling domains do not need (nor have) the ASYM_PACKING flag. SHARED_CHILD is not needed. Using SHARED_PARENT would cause the topology ...
```diff diff --git a/include/linux/sched/sd_flags.h b/include/linux/sched/sd_flags.h index 57bde66d95f7..fad77b5172e2 100644 --- a/include/linux/sched/sd_flags.h +++ b/include/linux/sched/sd_flags.h @@ -132,12 +132,9 @@ SD_FLAG(SD_SERIALIZE, SDF_SHARED_PARENT | SDF_NEEDS_GROUPS) /* * Place busy tasks earlier in the ...
78075d947534013b4575687d19ebcbbb6d3addcd
Analyze and fix the following issue in the Linux kernel code: perf test: Add selftest to test IBS invocation via core pmu events
Problem Details: IBS pmu can be invoked via fixed set of core pmu events with 'precise_ip' set to 1. Add a simple event open test for all these events. Without kernel fix: $ sudo ./perf test -vv 76 76: AMD IBS via core pmu : --- start --- test child forked, pid 6553 Usin...
```diff diff --git a/tools/perf/arch/x86/include/arch-tests.h b/tools/perf/arch/x86/include/arch-tests.h index 902e9ea9b99e..93d3b8877baa 100644 --- a/tools/perf/arch/x86/include/arch-tests.h +++ b/tools/perf/arch/x86/include/arch-tests.h @@ -11,6 +11,7 @@ int test__intel_pt_pkt_decoder(struct test_suite *test, int sub...
2fad201fe38ff9a692acedb1990ece2c52a29f95
Analyze and fix the following issue in the Linux kernel code: perf/ibs: Fix interface via core pmu events
Problem Details: Although, IBS pmus can be invoked via their own interface, indirect IBS invocation via core pmu events is also supported with fixed set of events: cpu-cycles:p, r076:p (same as cpu-cycles:p) and r0C1:p (micro-ops) for user convenience. This indirect IBS invocation is broken since commit 66d258c5b048 (...
```diff diff --git a/arch/x86/events/amd/core.c b/arch/x86/events/amd/core.c index bccea57dee81..abadd5f23425 100644 --- a/arch/x86/events/amd/core.c +++ b/arch/x86/events/amd/core.c @@ -374,7 +374,7 @@ static int amd_pmu_hw_config(struct perf_event *event) /* pass precise event sampling to ibs: */ if (event->att...
0019a2d4b7e37a983d133d42b707b8a3018ae6f4
Analyze and fix the following issue in the Linux kernel code: sched: fix cid_lock kernel-doc warnings
Problem Details: Fix kernel-doc warnings for cid_lock and use_cid_lock. These comments are not in kernel-doc format. kernel/sched/core.c:11496: warning: Cannot understand * @cid_lock: Guarantee forward-progress of cid allocation. on line 11496 - I thought it was a doc line kernel/sched/core.c:11505: warning: Cannot ...
```diff diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 944c3ae39861..a68d1276bab0 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -11492,7 +11492,7 @@ void call_trace_sched_update_nr_running(struct rq *rq, int count) #ifdef CONFIG_SCHED_MM_CID -/** +/* * @cid_lock: Guarantee forward-p...
90befef5a9e820ccccc33181ec14c015980300cc
Analyze and fix the following issue in the Linux kernel code: perf/x86: Fix missing sample size update on AMD BRS
Problem Details: It missed to convert a PERF_SAMPLE_BRANCH_STACK user to call the new perf_sample_save_brstack() helper in order to update the dyn_size. This affects AMD Zen3 machines with the branch-brs event. Fixes: eb55b455ef9c ("perf/core: Add perf_sample_save_brstack() helper") Signed-off-by: Namhyung Kim <namhyu...
```diff diff --git a/arch/x86/events/core.c b/arch/x86/events/core.c index d096b04bf80e..9d248703cbdd 100644 --- a/arch/x86/events/core.c +++ b/arch/x86/events/core.c @@ -1703,10 +1703,8 @@ int x86_pmu_handle_irq(struct pt_regs *regs) perf_sample_data_init(&data, 0, event->hw.last_period); - if (has_branch_stac...
1d1bfe30dad50d4bea83cd38d73c441972ea0173
Analyze and fix the following issue in the Linux kernel code: perf/core: Fix perf_sample_data not properly initialized for different swevents in perf_tp_event()
Problem Details: data->sample_flags may be modified in perf_prepare_sample(), in perf_tp_event(), different swevents use the same on-stack perf_sample_data, the previous swevent may change sample_flags in perf_prepare_sample(), as a result, some members of perf_sample_data are not correctly initialized when next sweven...
```diff diff --git a/kernel/events/core.c b/kernel/events/core.c index 68baa8194d9f..db016e418931 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -10150,8 +10150,20 @@ void perf_tp_event(u16 event_type, u64 count, void *record, int entry_size, perf_trace_buf_update(record, event_type); hlist_for_e...
92cc5d00a431e96e5a49c0b97e5ad4fa7536bd4b
Analyze and fix the following issue in the Linux kernel code: locking/rwsem: Add __always_inline annotation to __down_read_common() and inlined callers
Problem Details: Apparently despite it being marked inline, the compiler may not inline __down_read_common() which makes it difficult to identify the cause of lock contention, as the blocked function in traceevents will always be listed as __down_read_common(). So this patch adds __always_inline annotation to the comm...
```diff diff --git a/kernel/locking/rwsem.c b/kernel/locking/rwsem.c index acb5a50309a1..9eabd585ce7a 100644 --- a/kernel/locking/rwsem.c +++ b/kernel/locking/rwsem.c @@ -1240,7 +1240,7 @@ static struct rw_semaphore *rwsem_downgrade_wake(struct rw_semaphore *sem) /* * lock for reading */ -static inline int __down_...
9420c9719f03d9c42b79fe8080fbd81900032087
Analyze and fix the following issue in the Linux kernel code: soundwire: bus: Don't filter slave alerts
Problem Details: It makes sense to have only a single point responsible for ensuring that all currently pending IRQs are handled. The current code in sdw_handle_slave_alerts confusingly splits this process in two. This code will loop until the asserted IRQs are cleared but it will only handle IRQs that were already as...
```diff diff --git a/drivers/soundwire/bus.c b/drivers/soundwire/bus.c index 1ea6a64f8c4a..338f4f0b5d0c 100644 --- a/drivers/soundwire/bus.c +++ b/drivers/soundwire/bus.c @@ -1588,7 +1588,7 @@ static int sdw_handle_slave_alerts(struct sdw_slave *slave) unsigned long port; bool slave_notify; u8 sdca_cascade = 0; -...
946233bb23becc2898db31ad785d94fe80aa15dc
Analyze and fix the following issue in the Linux kernel code: ALSA: emu10k1: minor E-MU naming fixups
Problem Details: - Fix mixer source port names. These will require some users to re-adjust their mixer settings, which seems acceptable: - The S/PDIF port is on the main 1010 card, not the 0202 daughter card - The 1616m CardBus card has all inputs on the dock, so there is no point in specifying it - Convers...
```diff diff --git a/sound/pci/emu10k1/emu10k1_main.c b/sound/pci/emu10k1/emu10k1_main.c index 192208c291d6..068cb6624e36 100644 --- a/sound/pci/emu10k1/emu10k1_main.c +++ b/sound/pci/emu10k1/emu10k1_main.c @@ -1310,7 +1310,7 @@ static const struct snd_emu_chip_details emu_chip_details[] = { /* Does NOT support sync ...
048bce15da19e46ce5e866a48338929c76ca4152
Analyze and fix the following issue in the Linux kernel code: media: dt-bindings: ov2685: Correct data-lanes attribute
Problem Details: When adapting the original doc conversion to support 2 lanes, minItems should've been added as well since the sensor supports either 1 or 2 lanes. Add minItems to make the validation happy again. Fixes: 8d561d78aeab ("media: dt-bindings: ov2685: convert to dtschema") Signed-off-by: Luca Weiss <luca@z3...
```diff diff --git a/Documentation/devicetree/bindings/media/i2c/ovti,ov2685.yaml b/Documentation/devicetree/bindings/media/i2c/ovti,ov2685.yaml index 8b389314c352..e2ffe0a9c26b 100644 --- a/Documentation/devicetree/bindings/media/i2c/ovti,ov2685.yaml +++ b/Documentation/devicetree/bindings/media/i2c/ovti,ov2685.yaml @...
35d1d5824ffe1cfc849aa1694488d779dc79a920
Analyze and fix the following issue in the Linux kernel code: ALSA: emu10k1: fix locking in snd_emu1010_fpga_link_dst_src_write()
Problem Details: This is a multi-register operation, which must be locked in its entirety. Signed-off-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de> Link: https://lore.kernel.org/r/20230428095941.1706278-5-oswald.buddenhagen@gmx.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
```diff diff --git a/sound/pci/emu10k1/io.c b/sound/pci/emu10k1/io.c index cfb96a67aa35..aee84c3f9f37 100644 --- a/sound/pci/emu10k1/io.c +++ b/sound/pci/emu10k1/io.c @@ -233,16 +233,13 @@ int snd_emu10k1_i2c_write(struct snd_emu10k1 *emu, return err; } -void snd_emu1010_fpga_write(struct snd_emu10k1 *emu, u32 reg...
b61cf04c49c3dfa70a0d6725d3eb40bf9b35cf71
Analyze and fix the following issue in the Linux kernel code: PCI: vmd: Reset VMD config register between soft reboots
Problem Details: VMD driver can disable or enable MSI remapping by changing VMCONFIG_MSI_REMAP register. This register needs to be set to the default value during soft reboots. Drives failed to enumerate when Windows boots after performing a soft reboot from Linux. Windows doesn't support MSI remapping disable feature ...
```diff diff --git a/drivers/pci/controller/vmd.c b/drivers/pci/controller/vmd.c index 990630ec57c6..30ec18283aaf 100644 --- a/drivers/pci/controller/vmd.c +++ b/drivers/pci/controller/vmd.c @@ -1036,6 +1036,13 @@ static void vmd_remove(struct pci_dev *dev) ida_simple_remove(&vmd_instance_ida, vmd->instance); } +s...
0e12f830236928b6fadf40d917a7527f0a048d2f
Analyze and fix the following issue in the Linux kernel code: PCI: cadence: Fix Gen2 Link Retraining process
Problem Details: The Link Retraining process is initiated to account for the Gen2 defect in the Cadence PCIe controller in J721E SoC. The errata corresponding to this is i2085, documented at: https://www.ti.com/lit/er/sprz455c/sprz455c.pdf The existing workaround implemented for the errata waits for the Data Link init...
```diff diff --git a/drivers/pci/controller/cadence/pcie-cadence-host.c b/drivers/pci/controller/cadence/pcie-cadence-host.c index 940c7dd701d6..5b14f7ee3c79 100644 --- a/drivers/pci/controller/cadence/pcie-cadence-host.c +++ b/drivers/pci/controller/cadence/pcie-cadence-host.c @@ -12,6 +12,8 @@ #include "pcie-caden...
b8e392245105b50706f18418054821e71e637288
Analyze and fix the following issue in the Linux kernel code: drm/vram-helper: fix function names in vram helper doc
Problem Details: Refer to drmm_vram_helper_init() instead of the non-existent drmm_vram_helper_alloc_mm(). Fixes: a5f23a72355d ("drm/vram-helper: Managed vram helpers") Signed-off-by: Luc Ma <luc@sietium.com> Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Li...
```diff diff --git a/drivers/gpu/drm/drm_gem_vram_helper.c b/drivers/gpu/drm/drm_gem_vram_helper.c index 0bea3df2a16d..b67eafa55715 100644 --- a/drivers/gpu/drm/drm_gem_vram_helper.c +++ b/drivers/gpu/drm/drm_gem_vram_helper.c @@ -45,7 +45,7 @@ static const struct drm_gem_object_funcs drm_gem_vram_object_funcs; * the...
0a6b36c5dc3dda0196f4fb65bdb34c38b8d060c3
Analyze and fix the following issue in the Linux kernel code: ALSA: hda/realtek: Add quirk for Clevo L140AU
Problem Details: Fixes headset detection on Clevo L140AU. Signed-off-by: Jeremy Soller <jeremy@system76.com> Signed-off-by: Tim Crawford <tcrawford@system76.com> Cc: <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20230505163651.21257-1-tcrawford@system76.com Signed-off-by: Takashi Iwai <tiwai@suse.de>
```diff diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 172ffc2c332b..e7d2e20b91f5 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -9618,6 +9618,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x1558, 0x7716, "Clevo NS50PU"...
51cbbcd6469b2a32e222ec220039af20a16f2769
Analyze and fix the following issue in the Linux kernel code: w1: Add missing of_node_put() in w1.c
Problem Details: In __w1_attach_slave_device, we really need not to use of_node_put in normal path as the reference is escaped by sl. However, we need of_node_put in the fail path before put_device. Signed-off-by: Liang He <windhl@126.com> Link: https://lore.kernel.org/r/20220615125105.3966317-1-windhl@126.com [krzysz...
```diff diff --git a/drivers/w1/w1.c b/drivers/w1/w1.c index bc11cdd2e4f2..e16a60872226 100644 --- a/drivers/w1/w1.c +++ b/drivers/w1/w1.c @@ -692,6 +692,7 @@ static int __w1_attach_slave_device(struct w1_slave *sl) dev_err(&sl->dev, "Device registration [%s] failed. err=%d\n", dev_name(&sl->dev), err); + o...
7f25058c96a0631f4a1ccb4c70831c52e71decf2
Analyze and fix the following issue in the Linux kernel code: w1: w1_therm: fix typo in comment
Problem Details: Spelling mistake (triple letters) in comment. Detected with the help of Coccinelle. Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr> Link: https://lore.kernel.org/r/20220521111145.81697-6-Julia.Lawall@inria.fr Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
```diff diff --git a/drivers/w1/slaves/w1_therm.c b/drivers/w1/slaves/w1_therm.c index fa7c162c661f..ab7a411578f8 100644 --- a/drivers/w1/slaves/w1_therm.c +++ b/drivers/w1/slaves/w1_therm.c @@ -284,7 +284,7 @@ static int read_powermode(struct w1_slave *sl); * trigger_bulk_read() - function to trigger a bulk read on ...
1aa75bf5174c8243505a27476422060fce630cb1
Analyze and fix the following issue in the Linux kernel code: w1: w1_therm: Use max() instead of doing it manually
Problem Details: Fix following coccicheck warning: drivers/w1/slaves/w1_therm.c:1452:18-19: WARNING opportunity for max() Signed-off-by: Haowen Bai <baihaowen@meizu.com> Link: https://lore.kernel.org/r/1646908169-8050-1-git-send-email-baihaowen@meizu.com Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.o...
```diff diff --git a/drivers/w1/slaves/w1_therm.c b/drivers/w1/slaves/w1_therm.c index 99c58bd9d2df..fa7c162c661f 100644 --- a/drivers/w1/slaves/w1_therm.c +++ b/drivers/w1/slaves/w1_therm.c @@ -1512,7 +1512,7 @@ static int trigger_bulk_read(struct w1_master *dev_master) if (bulk_read_support(sl)) { int t_cur = ...
83f3fcf96fcc7e5405b37d9424c7ef26bfa203f8
Analyze and fix the following issue in the Linux kernel code: w1: fix loop in w1_fini()
Problem Details: The __w1_remove_master_device() function calls: list_del(&dev->w1_master_entry); So presumably this can cause an endless loop. Fixes: 7785925dd8e0 ("[PATCH] w1: cleanups.") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
```diff diff --git a/drivers/w1/w1.c b/drivers/w1/w1.c index 074bbdb67f0e..b651e42161e6 100644 --- a/drivers/w1/w1.c +++ b/drivers/w1/w1.c @@ -1253,10 +1253,10 @@ err_out_exit_init: static void __exit w1_fini(void) { - struct w1_master *dev; + struct w1_master *dev, *n; /* Set netlink removal messages and some ...
4f5a5badb4eee46e43dc45be5e6058bff767eb80
Analyze and fix the following issue in the Linux kernel code: w1: Fix Kconfig indentation
Problem Details: Adjust indentation from spaces to tab (+optional two spaces) as in coding style with command like: $ sed -e 's/^ /\t/' -i */Kconfig Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Link: https://lore.kernel.org/r/20191120133826.12964-1-krzk@kernel.org Signed-off-by: Krzysztof Kozlowski <kr...
```diff diff --git a/drivers/w1/slaves/Kconfig b/drivers/w1/slaves/Kconfig index 687753889c34..32b8a757744e 100644 --- a/drivers/w1/slaves/Kconfig +++ b/drivers/w1/slaves/Kconfig @@ -71,8 +71,8 @@ config W1_SLAVE_DS2805 help Say Y here if you want to use a 1-wire is a 112-byte user-programmable EEPROM is - ...
dca5480ab7b77a889088ab7cac81934604510ac7
Analyze and fix the following issue in the Linux kernel code: w1: w1_therm: fix locking behavior in convert_t
Problem Details: The commit 67b392f7b8ed ("w1_therm: optimizing temperature read timings") accidentially inverted the logic for lock handling of the bus mutex. Before: pullup -> release lock before sleep no pullup -> release lock after sleep After: pullup -> release lock after sleep no pullup -> release lock ...
```diff diff --git a/drivers/w1/slaves/w1_therm.c b/drivers/w1/slaves/w1_therm.c index 067692626cf0..99c58bd9d2df 100644 --- a/drivers/w1/slaves/w1_therm.c +++ b/drivers/w1/slaves/w1_therm.c @@ -1159,29 +1159,26 @@ static int convert_t(struct w1_slave *sl, struct therm_info *info) w1_write_8(dev_master, W1_CONVER...
949f95ff39bf188e594e7ecd8e29b82eb108f5bf
Analyze and fix the following issue in the Linux kernel code: ext4: fix lockdep warning when enabling MMP
Problem Details: When we enable MMP in ext4_multi_mount_protect() during mount or remount, we end up calling sb_start_write() from write_mmp_block(). This triggers lockdep warning because freeze protection ranks above s_umount semaphore we are holding during mount / remount. The problem is harmless because we are guara...
```diff diff --git a/fs/ext4/mmp.c b/fs/ext4/mmp.c index 4022bc713421..0aaf38ffcb6e 100644 --- a/fs/ext4/mmp.c +++ b/fs/ext4/mmp.c @@ -39,28 +39,36 @@ static void ext4_mmp_csum_set(struct super_block *sb, struct mmp_struct *mmp) * Write the MMP block using REQ_SYNC to try to get the block on-disk * faster. */ -st...
fa08a7b61dff8a4df11ff1e84abfc214b487caf7
Analyze and fix the following issue in the Linux kernel code: ext4: fix WARNING in mb_find_extent
Problem Details: Syzbot found the following issue: EXT4-fs: Warning: mounting with data=journal disables delayed allocation, dioread_nolock, O_DIRECT and fast_commit support! EXT4-fs (loop0): orphan cleanup on readonly fs ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5067 at fs/ext4/mballoc.c:1869 mb_find_...
```diff diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c index 094269488183..c49e612e3975 100644 --- a/fs/ext4/balloc.c +++ b/fs/ext4/balloc.c @@ -305,6 +305,22 @@ struct ext4_group_desc * ext4_get_group_desc(struct super_block *sb, return desc; } +static ext4_fsblk_t ext4_valid_block_bitmap_padding(struct super_b...
5fd7c99ecf45c8ee8a9b1268f0ffc91cc6271da2
Analyze and fix the following issue in the Linux kernel code: spi: spi-geni-qcom: Correct CS_TOGGLE bit in SPI_TRANS_CFG
Problem Details: The CS_TOGGLE bit when set is supposed to instruct FW to toggle CS line between words. The driver with intent of disabling this behaviour has been unsetting BIT(0). This has not caused any trouble so far because the original BIT(1) is untouched and BIT(0) likely wasn't being used. Correct this to prev...
```diff diff --git a/drivers/spi/spi-geni-qcom.c b/drivers/spi/spi-geni-qcom.c index ba7be505ec4e..8a7d1c2eb4f0 100644 --- a/drivers/spi/spi-geni-qcom.c +++ b/drivers/spi/spi-geni-qcom.c @@ -35,7 +35,7 @@ #define CS_DEMUX_OUTPUT_SEL GENMASK(3, 0) #define SE_SPI_TRANS_CFG 0x25c -#define CS_TOGGLE BIT(0) +#define CS...
70a640c0efa7667453c3911b13335304ce46ad8b
Analyze and fix the following issue in the Linux kernel code: regmap: REGMAP_KUNIT should not select REGMAP
Problem Details: Enabling a (modular) test should not silently enable additional kernel functionality, as that may increase the attack vector of a product. Fix this by: 1. making REGMAP visible if CONFIG_KUNIT_ALL_TESTS is enabled, 2. making REGMAP_KUNIT depend on REGMAP instead of selecting it. After this, one c...
```diff diff --git a/drivers/base/regmap/Kconfig b/drivers/base/regmap/Kconfig index 33a8366e22a5..0db2021f7477 100644 --- a/drivers/base/regmap/Kconfig +++ b/drivers/base/regmap/Kconfig @@ -4,16 +4,23 @@ # subsystems should select the appropriate symbols. config REGMAP + bool "Register Map support" if KUNIT_ALL_TE...
101b23830d3c26e9549274d16e8d4542c8bce4af
Analyze and fix the following issue in the Linux kernel code: ASoC: codecs: wcd938x: Remove unneeded semicolon
Problem Details: ./sound/soc/codecs/wcd938x-sdw.c:1274:2-3: Unneeded semicolon Reported-by: Abaci Robot <abaci@linux.alibaba.com Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=4862 Signed-off-by: Yang Li <yang.lee@linux.alibaba.com Link: https://lore.kernel.org/r/20230505004538.70270-1-yang.lee@linux.alibaba.com...
```diff diff --git a/sound/soc/codecs/wcd938x-sdw.c b/sound/soc/codecs/wcd938x-sdw.c index 402286dfaea4..5befae414636 100644 --- a/sound/soc/codecs/wcd938x-sdw.c +++ b/sound/soc/codecs/wcd938x-sdw.c @@ -1271,7 +1271,7 @@ static int wcd9380_probe(struct sdw_slave *pdev, /* Start in cache-only until device is enumer...
853a954bf506c42c91b2d2b0d57be891a659ee5a
Analyze and fix the following issue in the Linux kernel code: ASoC: dt-bindings: google,sc7180-trogdor: allow up to four codec DAIs
Problem Details: SC7180 Trogdor sound cards come with multiple audio amplifiers, so allow up to four of them to fix dtbs_check warnings like: sc7180-trogdor-homestar-r3.dtb: sound: dai-link@1:codec:sound-dai: [[275], [276], [277], [278]] is too long Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org...
```diff diff --git a/Documentation/devicetree/bindings/sound/google,sc7180-trogdor.yaml b/Documentation/devicetree/bindings/sound/google,sc7180-trogdor.yaml index 67ccddd44489..666a95ac22c8 100644 --- a/Documentation/devicetree/bindings/sound/google,sc7180-trogdor.yaml +++ b/Documentation/devicetree/bindings/sound/goog...
cf9ae4a0077496e8224d68fc88e3df13dd7e5f37
Analyze and fix the following issue in the Linux kernel code: arm64: dts: rockchip: fix nEXTRST on SOQuartz
Problem Details: In pre-production prototypes (of which I only know one person having one, Peter Geis), GPIO0 pin A5 was tied to the SDMMC power enable pin on the CM4 connector. On all production models, this is not the case; instead, this pin is used for the nEXTRST signal, and the SDMMC power enable pin is always pul...
```diff diff --git a/arch/arm64/boot/dts/rockchip/rk3566-soquartz-cm4.dts b/arch/arm64/boot/dts/rockchip/rk3566-soquartz-cm4.dts index 263ce40770dd..cddf6cd2fecb 100644 --- a/arch/arm64/boot/dts/rockchip/rk3566-soquartz-cm4.dts +++ b/arch/arm64/boot/dts/rockchip/rk3566-soquartz-cm4.dts @@ -28,6 +28,16 @@ regulator-m...
42dcd054a6493e1adf292c3e246d1a2a9258942e
Analyze and fix the following issue in the Linux kernel code: arm64: dts: rockchip: add missing cache properties
Problem Details: As all level 2 and level 3 caches are unified, add required cache-unified properties to fix warnings like: rk3588s-khadas-edge2.dtb: l3-cache: 'cache-unified' is a dependency of 'cache-size' Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20230421...
```diff diff --git a/arch/arm64/boot/dts/rockchip/rk3308.dtsi b/arch/arm64/boot/dts/rockchip/rk3308.dtsi index dd228a256a32..2ae4bb7d5e62 100644 --- a/arch/arm64/boot/dts/rockchip/rk3308.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3308.dtsi @@ -97,6 +97,7 @@ l2: l2-cache { compatible = "cache"; cache-level = <...
03633c4ef1fb5ee119296dfe0c411656a9b5e04f
Analyze and fix the following issue in the Linux kernel code: arm64: dts: rockchip: fix USB regulator on ROCK64
Problem Details: Currently the ROCK64 device tree specifies two regulators, vcc_host_5v and vcc_host1_5v for USB VBUS on the device. Both of those are however specified with RK_PA2 as the GPIO enabling them, causing the following error when booting: rockchip-pinctrl pinctrl: pin gpio0-2 already requested by vcc-host...
```diff diff --git a/arch/arm64/boot/dts/rockchip/rk3328-rock64.dts b/arch/arm64/boot/dts/rockchip/rk3328-rock64.dts index f69a38f42d2d..0a27fa5271f5 100644 --- a/arch/arm64/boot/dts/rockchip/rk3328-rock64.dts +++ b/arch/arm64/boot/dts/rockchip/rk3328-rock64.dts @@ -37,7 +37,8 @@ vin-supply = <&vcc_io>; }; - vcc...
27c1eaa07283b0c94becf8241f95368267cf558b
Analyze and fix the following issue in the Linux kernel code: net: mdio: mvusb: Fix an error handling path in mvusb_mdio_probe()
Problem Details: Should of_mdiobus_register() fail, a previous usb_get_dev() call should be undone as in the .disconnect function. Fixes: 04e37d92fbed ("net: phy: add marvell usb to mdio controller") Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Reviewed-by: Simon Horman <simon.horman@corigine.com>...
```diff diff --git a/drivers/net/mdio/mdio-mvusb.c b/drivers/net/mdio/mdio-mvusb.c index 68fc55906e78..554837c21e73 100644 --- a/drivers/net/mdio/mdio-mvusb.c +++ b/drivers/net/mdio/mdio-mvusb.c @@ -67,6 +67,7 @@ static int mvusb_mdio_probe(struct usb_interface *interface, struct device *dev = &interface->dev; stru...
424f8416bb39936df6365442d651ee729b283460
Analyze and fix the following issue in the Linux kernel code: net: skb_partial_csum_set() fix against transport header magic value
Problem Details: skb->transport_header uses the special 0xFFFF value to mark if the transport header was set or not. We must prevent callers to accidentaly set skb->transport_header to 0xFFFF. Note that only fuzzers can possibly do this today. syzbot reported: WARNING: CPU: 0 PID: 2340 at include/linux/skbuff.h:2847...
```diff diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 26a586007d8b..515ec5cdc79c 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -5298,7 +5298,7 @@ bool skb_partial_csum_set(struct sk_buff *skb, u16 start, u16 off) u32 csum_end = (u32)start + (u32)off + sizeof(__sum16); u32 csum_start = skb_hea...
3881fdfed21ff129a23979c0a92df6d3c5f49aa9
Analyze and fix the following issue in the Linux kernel code: selftests/bpf: Check overflow in optional buffer
Problem Details: This ensures we still reject invalid memory accesses in buffers that are marked optional. Signed-off-by: Daniel Rosenberg <drosen@google.com> Link: https://lore.kernel.org/r/20230506013134.2492210-4-drosen@google.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
```diff diff --git a/tools/testing/selftests/bpf/progs/dynptr_fail.c b/tools/testing/selftests/bpf/progs/dynptr_fail.c index efe4ce72d00e..c2f0e18af951 100644 --- a/tools/testing/selftests/bpf/progs/dynptr_fail.c +++ b/tools/testing/selftests/bpf/progs/dynptr_fail.c @@ -1665,3 +1665,23 @@ int clone_xdp_packet_data(stru...
da9619a30e73b59605ed998bf7bc4359f5c0029a
Analyze and fix the following issue in the Linux kernel code: dmapool: link blocks across pages
Problem Details: The allocated dmapool pages are never freed for the lifetime of the pool. There is no need for the two level list+stack lookup for finding a free block since nothing is ever removed from the list. Just use a simple stack, reducing time complexity to constant. The implementation inserts the stack lin...
```diff diff --git a/mm/dmapool.c b/mm/dmapool.c index 21e6d362c726..d2b0f8fc9649 100644 --- a/mm/dmapool.c +++ b/mm/dmapool.c @@ -15,7 +15,7 @@ * represented by the 'struct dma_pool' which keeps a doubly-linked list of * allocated pages. Each page in the page_list is split into blocks of at * least 'size' bytes...
8ecc369554219060367fc589661d2b7ab201e923
Analyze and fix the following issue in the Linux kernel code: dmapool: don't memset on free twice
Problem Details: If debug is enabled, dmapool will poison the range, so no need to clear it to 0 immediately before writing over it. Link: https://lkml.kernel.org/r/20230126215125.4069751-11-kbusch@meta.com Fixes: 2d55c16c0c54 ("dmapool: create/destroy cleanup") Signed-off-by: Keith Busch <kbusch@kernel.org> Reviewed-...
```diff diff --git a/mm/dmapool.c b/mm/dmapool.c index 4dea2a0dbd33..21e6d362c726 100644 --- a/mm/dmapool.c +++ b/mm/dmapool.c @@ -160,6 +160,8 @@ static void pool_check_block(struct dma_pool *pool, void *retval, static bool pool_page_err(struct dma_pool *pool, struct dma_page *page, void *vaddr, dma_addr_t dma)...
cc669954ab38866c1aba73c27e17bb07bcb4a194
Analyze and fix the following issue in the Linux kernel code: dmapool: simplify freeing
Problem Details: The actions for busy and not busy are mostly the same, so combine these and remove the unnecessary function. Also, the pool is about to be freed so there's no need to poison the page data since we only check for poison on alloc, which can't be done on a freed pool. Link: https://lkml.kernel.org/r/202...
```diff diff --git a/mm/dmapool.c b/mm/dmapool.c index 9e98065a68b1..4dea2a0dbd33 100644 --- a/mm/dmapool.c +++ b/mm/dmapool.c @@ -312,16 +312,6 @@ static inline bool is_page_busy(struct dma_page *page) return page->in_use != 0; } -static void pool_free_page(struct dma_pool *pool, struct dma_page *page) -{ - dma_a...
f0bccea6bc0caa0db9c68d28123f242a6295c5dd
Analyze and fix the following issue in the Linux kernel code: dmapool: consolidate page initialization
Problem Details: Various fields of the dma pool are set in different places. Move it all to one function. Link: https://lkml.kernel.org/r/20230126215125.4069751-9-kbusch@meta.com Fixes: 2d55c16c0c54 ("dmapool: create/destroy cleanup") Signed-off-by: Keith Busch <kbusch@kernel.org> Reviewed-by: Christoph Hellwig <hch@l...
```diff diff --git a/mm/dmapool.c b/mm/dmapool.c index 900f2afa363a..9e98065a68b1 100644 --- a/mm/dmapool.c +++ b/mm/dmapool.c @@ -274,6 +274,9 @@ static void pool_initialise_page(struct dma_pool *pool, struct dma_page *page) unsigned int offset = 0; unsigned int next_boundary = pool->boundary; + pool_init_page(p...
5407df10e5754b80d43697a75484bacda048fef8
Analyze and fix the following issue in the Linux kernel code: dmapool: rearrange page alloc failure handling
Problem Details: Handle the error in a condition so the good path can be in the normal flow. Link: https://lkml.kernel.org/r/20230126215125.4069751-8-kbusch@meta.com Fixes: 2d55c16c0c54 ("dmapool: create/destroy cleanup") Signed-off-by: Keith Busch <kbusch@kernel.org> Reviewed-by: Christoph Hellwig <hch@lst.de> Cc: Ma...
```diff diff --git a/mm/dmapool.c b/mm/dmapool.c index 30b069e99996..900f2afa363a 100644 --- a/mm/dmapool.c +++ b/mm/dmapool.c @@ -292,17 +292,19 @@ static struct dma_page *pool_alloc_page(struct dma_pool *pool, gfp_t mem_flags) page = kmalloc(sizeof(*page), mem_flags); if (!page) return NULL; + page->vaddr = ...
d93e08b7556fcd393b7fd1eb421cb44e5fae314c
Analyze and fix the following issue in the Linux kernel code: dmapool: move debug code to own functions
Problem Details: Clean up the normal path by moving the debug code outside it. Link: https://lkml.kernel.org/r/20230126215125.4069751-7-kbusch@meta.com Fixes: 2d55c16c0c54 ("dmapool: create/destroy cleanup") Signed-off-by: Keith Busch <kbusch@kernel.org> Reviewed-by: Christoph Hellwig <hch@lst.de> Cc: Matthew Wilcox <...
```diff diff --git a/mm/dmapool.c b/mm/dmapool.c index eaed3ffb42aa..30b069e99996 100644 --- a/mm/dmapool.c +++ b/mm/dmapool.c @@ -96,6 +96,78 @@ static ssize_t pools_show(struct device *dev, struct device_attribute *attr, cha static DEVICE_ATTR_RO(pools); +#ifdef DMAPOOL_DEBUG +static void pool_check_block(struct...
290911c56f98ac7af9354108f3d16da5d6c5189c
Analyze and fix the following issue in the Linux kernel code: dmapool: speedup DMAPOOL_DEBUG with init_on_alloc
Problem Details: Avoid double-memset of the same allocated memory in dma_pool_alloc() when both DMAPOOL_DEBUG is enabled and init_on_alloc=1. Link: https://lkml.kernel.org/r/20230126215125.4069751-6-kbusch@meta.com Fixes: 2d55c16c0c54 ("dmapool: create/destroy cleanup") Signed-off-by: Tony Battersby <tonyb@cybernetics...
```diff diff --git a/mm/dmapool.c b/mm/dmapool.c index ee993bb59fc2..eaed3ffb42aa 100644 --- a/mm/dmapool.c +++ b/mm/dmapool.c @@ -356,7 +356,7 @@ void *dma_pool_alloc(struct dma_pool *pool, gfp_t mem_flags, break; } } - if (!(mem_flags & __GFP_ZERO)) + if (!want_init_on_alloc(mem_flags)) memset(retval, POO...
790233528d338f1467662761cf1e871086483ab8
Analyze and fix the following issue in the Linux kernel code: dmapool: cleanup integer types
Problem Details: To represent the size of a single allocation, dmapool currently uses 'unsigned int' in some places and 'size_t' in other places. Standardize on 'unsigned int' to reduce overhead, but use 'size_t' when counting all the blocks in the entire pool. Link: https://lkml.kernel.org/r/20230126215125.4069751-5...
```diff diff --git a/mm/dmapool.c b/mm/dmapool.c index 20616b760bb9..ee993bb59fc2 100644 --- a/mm/dmapool.c +++ b/mm/dmapool.c @@ -43,10 +43,10 @@ struct dma_pool { /* the pool */ struct list_head page_list; spinlock_t lock; - size_t size; struct device *dev; - size_t allocation; - size_t boundary; + unsigned i...