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ce5c9851855bab190c9a142761d54ba583ab094c
Analyze and fix the following issue in the Linux kernel code: USB: pl2303: fix DTR/RTS being raised on baud rate change
Problem Details: DTR/RTS should only be raised when changing baudrate from B0 and not on any baud rate change (> B0). Reported-by: Søren Holm <sgh@sgh.dk> Cc: stable <stable@vger.kernel.org> Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
```diff diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c index ff4a174fa5de..a1a9062954c4 100644 --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -420,7 +420,7 @@ static void pl2303_set_termios(struct tty_struct *tty, control = priv->line_control; if ((cflag & CBAUD) == B...
657b12d3a1508a3f06f7afe21d5dda7252279520
Analyze and fix the following issue in the Linux kernel code: um: uml_setup_stubs': warning: unused variable 'pages'
Problem Details: Fix the following gcc complain arch/um/kernel/skas/mmu.c: In function 'uml_setup_stubs': arch/um/kernel/skas/mmu.c:106:16: warning: unused variable 'pages' [-Wunused-variable] Signed-Signed-off-by: Boaz Harrosh <bharrosh@panasas.com> Signed-off-by: Richard Weinberger <richard@nod.at>
```diff diff --git a/arch/um/kernel/skas/mmu.c b/arch/um/kernel/skas/mmu.c index 4947b319f53a..0a49ef0c2bf4 100644 --- a/arch/um/kernel/skas/mmu.c +++ b/arch/um/kernel/skas/mmu.c @@ -103,7 +103,6 @@ int init_new_context(struct task_struct *task, struct mm_struct *mm) void uml_setup_stubs(struct mm_struct *mm) { - s...
ecf1948985247cf35b5536fa62e02f56476f41f1
Analyze and fix the following issue in the Linux kernel code: w1: fix slave driver registration error message
Problem Details: W1 core prints "Failed to register master driver" if error happens on registering SLAVE driver. Fix it. Signed-off-by: Dmitry Artamonow <mad_soft@inbox.ru> Acked-by: Evgeniy Polyakov <zbr@ioremap.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
```diff diff --git a/drivers/w1/w1.c b/drivers/w1/w1.c index 9761950697b4..2f2e894ea0c8 100644 --- a/drivers/w1/w1.c +++ b/drivers/w1/w1.c @@ -1027,7 +1027,7 @@ static int __init w1_init(void) retval = driver_register(&w1_slave_driver); if (retval) { printk(KERN_ERR - "Failed to register master driver. err=%d....
415f0a02adaea754dc85cde7b50707f7fbc4cf3f
Analyze and fix the following issue in the Linux kernel code: hv: fix return type of hv_post_message()
Problem Details: This function returns negative error codes, but because the type is u16 they get truncated into positive numbers. It doesn't look like the callers care, but we should fix it anyway as a cleanup. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com...
```diff diff --git a/drivers/hv/hv.c b/drivers/hv/hv.c index 15956bd48b48..86f8885aeb45 100644 --- a/drivers/hv/hv.c +++ b/drivers/hv/hv.c @@ -252,7 +252,7 @@ void hv_cleanup(void) * * This involves a hypercall. */ -u16 hv_post_message(union hv_connection_id connection_id, +int hv_post_message(union hv_connection...
3a4ffe930a2d2dad07604fe74d21b878decc6461
Analyze and fix the following issue in the Linux kernel code: drivers/base: fix compiler warning in SoC export driver - idr should be ida
Problem Details: This fixes: note: expected ‘struct ida *’ but argument is of type ‘struct idr *’ warning: passing argument 1 of ‘ida_pre_get’ from incompatible pointer type Reported-by: Arnd Bergman <arnd@arndb.de> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>...
```diff diff --git a/drivers/base/soc.c b/drivers/base/soc.c index f49346b9e961..ba29b2e73d48 100644 --- a/drivers/base/soc.c +++ b/drivers/base/soc.c @@ -15,7 +15,7 @@ #include <linux/sys_soc.h> #include <linux/err.h> -static DEFINE_IDR(soc_ida); +static DEFINE_IDA(soc_ida); static DEFINE_SPINLOCK(soc_lock); s...
db662d478695a967b9d0a4c9893278e797b73f6c
Analyze and fix the following issue in the Linux kernel code: iwlwifi: extend notification wait
Problem Details: Sometimes, for example when we ask the uCode for calibration, we wait for the "complete" response while we also need the results that are sent in other, interim, notifications. Currently we handle this by installing an RX handler globally, but that isn't needed as this is the only time we want to use ...
```diff diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c index 2e1a31797a9e..6d6bef329bee 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c @@ -59,9 +59,12 @@ static int iwlagn_disable_pan(struct iwl_priv *pri...
80007efeff0568375b08faf93c7aad65602cb97e
Analyze and fix the following issue in the Linux kernel code: cfg80211: warn if db.txt is empty with CONFIG_CFG80211_INTERNAL_REGDB
Problem Details: It has happened twice now where elaborate troubleshooting has undergone on systems where CONFIG_CFG80211_INTERNAL_REGDB [0] has been set but yet net/wireless/db.txt was not updated. Despite the documentation on this it seems system integrators could use some more help with this, so throw out a kernel ...
```diff diff --git a/net/wireless/reg.c b/net/wireless/reg.c index e9a0ac83b84c..15f347477a99 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -388,7 +388,15 @@ static void reg_regdb_query(const char *alpha2) schedule_work(&reg_regdb_work); } + +/* Feel free to add any other sanity checks here */ +stati...
d2a079fd48c05235b86016a33a79cb86a86e15a8
Analyze and fix the following issue in the Linux kernel code: mac80211: fix the RANN propagation issues
Problem Details: This patch is intended to solve the follwing issues in RANN propagation: [1] The interval in propagated RANN should be based on the interval of received RANN. [2] The aggregated path metric for propagated RANN is as received plus own link metric towards the transmitting mesh STA (not root mesh STA)...
```diff diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h index 2bd5d8b864f6..3e52439ed112 100644 --- a/net/mac80211/mesh.h +++ b/net/mac80211/mesh.h @@ -86,6 +86,7 @@ enum mesh_deferred_task_flags { * mpath itself. No need to take this lock when adding or removing * an mpath to a hash bucket on a path table....
30899cc6ab4d4b63d43f6d652d1ecf9107eadb8d
Analyze and fix the following issue in the Linux kernel code: rtlwifi: Preallocate USB read buffers and eliminate kalloc in read routine
Problem Details: The current version of rtlwifi for USB operations uses kmalloc to acquire a 32-bit buffer for each read of the device. When _usb_read_sync() is called with the rcu_lock held, the result is a "sleeping function called from invalid context" BUG. This is reported for two cases in https://bugzilla.kernel.o...
```diff diff --git a/drivers/net/wireless/rtlwifi/usb.c b/drivers/net/wireless/rtlwifi/usb.c index 2e1e352864bb..d04dbda13f5a 100644 --- a/drivers/net/wireless/rtlwifi/usb.c +++ b/drivers/net/wireless/rtlwifi/usb.c @@ -124,46 +124,38 @@ static int _usbctrl_vendorreq_sync_read(struct usb_device *udev, u8 request, retu...
292c41acddfdbe0fb42d4c4ad9b896168fd16e91
Analyze and fix the following issue in the Linux kernel code: mac80211: fix the sparse warnings on endian handling in RANN propagation
Problem Details: The HWMP sequence number of received RANN element is compared to decide whether to be propagated. The sequence number is required to covert from 32bit little endian data into CPUs endianness for comparison. The same applies to the RANN metric. Signed-off-by: Chun-Yeow Yeoh <yeohchunyeow@gmail.com> Sig...
```diff diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h index a8c1c46431ab..09301b0768d0 100644 --- a/include/linux/ieee80211.h +++ b/include/linux/ieee80211.h @@ -640,9 +640,9 @@ struct ieee80211_rann_ie { u8 rann_hopcount; u8 rann_ttl; u8 rann_addr[6]; - u32 rann_seq; - u32 rann_interval; - u...
54da20d83f0e7fe87b75aec44bc2b1448d119320
Analyze and fix the following issue in the Linux kernel code: ath9k_hw: improve ANI processing and rx desensitizing parameters
Problem Details: This patch improves ANI operations by switching among the immunity levels based on PHY errors and beacon rssi which will adjust receiver desensitizing parameters. The changes are * Configure the Weak Signal Detection based on current immunity value. * At highest OFDM immunity level poor performance wa...
```diff diff --git a/drivers/net/wireless/ath/ath9k/ani.c b/drivers/net/wireless/ath/ath9k/ani.c index 7e0ea4e98334..47a9fb4a116a 100644 --- a/drivers/net/wireless/ath/ath9k/ani.c +++ b/drivers/net/wireless/ath/ath9k/ani.c @@ -46,8 +46,8 @@ static const struct ani_ofdm_level_entry ofdm_level_table[] = { { 5, 4, 1 ...
e89f7690a3adbde0af7c294f83c242ba6a367ef0
Analyze and fix the following issue in the Linux kernel code: rtlwifi: Fix oops on rate-control failure
Problem Details: When the rate-control indexing is incorrectly set up, mac80211 issues a warning and returns NULL from the call to ieee80211_get_tx_rate(). When this happens, avoid a NULL pointer dereference. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.co...
```diff diff --git a/drivers/net/wireless/rtlwifi/base.c b/drivers/net/wireless/rtlwifi/base.c index 510023554e5f..e54488db0e10 100644 --- a/drivers/net/wireless/rtlwifi/base.c +++ b/drivers/net/wireless/rtlwifi/base.c @@ -838,7 +838,10 @@ void rtl_get_tcb_desc(struct ieee80211_hw *hw, __le16 fc = hdr->frame_control;...
0298dc9f2273fb2d596ae10d7700f054bfce601d
Analyze and fix the following issue in the Linux kernel code: rtlwifi: rtl8192de: Fix firmware initialization
Problem Details: Before the switch to asynchronous firmware loading (mainline commit b0302ab), it was necessary to load firmware when initializing the first of the units in a dual-mac system. After the change, it is necessary to load firmware in both units. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signe...
```diff diff --git a/drivers/net/wireless/rtlwifi/rtl8192de/sw.c b/drivers/net/wireless/rtlwifi/rtl8192de/sw.c index 4898c502974d..480862c07f92 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192de/sw.c +++ b/drivers/net/wireless/rtlwifi/rtl8192de/sw.c @@ -91,7 +91,6 @@ static int rtl92d_init_sw_vars(struct ieee80211_hw ...
3f9768a5d262d01d317b2a03933db3d5082fcb68
Analyze and fix the following issue in the Linux kernel code: mac80211: fix association beacon wait timeout
Problem Details: The TU_TO_EXP_TIME() macro already includes the "jiffies +" piece of the calculation, so don't add jiffies again. Reported-by: Oliver Hartkopp <socketcan@hartkopp.net> Signed-off-by: Johannes Berg <johannes.berg@intel.com> Tested-by: Oliver Hartkopp <socketcan@hartkopp.net> Signed-off-by: John W. Linv...
```diff diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 576fb25456dd..f76da5b3f5c5 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -3387,8 +3387,7 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, */ printk(KERN_DEBUG "%s: waiting for beacon from %pM\n", sdata->...
14667a4bde4361b7ac420d68a2e9e9b9b2df5231
Analyze and fix the following issue in the Linux kernel code: drm/i915: Finish any pending operations on the framebuffer before disabling
Problem Details: Similar to the case where we are changing from one framebuffer to another, we need to be sure that there are no pending WAIT_FOR_EVENTs on the pipe for the current framebuffer before switching. If we disable the pipe, and then try to execute a WAIT_FOR_EVENT it will block indefinitely and cause a GPU h...
```diff diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 91b35fd1db8c..f446e66cbdaf 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -2244,6 +2244,33 @@ intel_pipe_set_base_atomic(struct drm_crtc *crtc, struct drm_framebuffer *...
d7ee11157f1fce02632e2f3a56b99b2afd9e5f93
Analyze and fix the following issue in the Linux kernel code: hwmon: (pmbus_core) Fix compiler warning
Problem Details: Some configurations produce the following compiler warning: drivers/hwmon/pmbus/pmbus_core.c: In function 'pmbus_show_boolean': drivers/hwmon/pmbus/pmbus_core.c:752: warning: 'val' may be used uninitialized in this function While this is a false positive, it can easily be fixed by overloading the ret...
```diff diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c index be51037363c8..29b319db573e 100644 --- a/drivers/hwmon/pmbus/pmbus_core.c +++ b/drivers/hwmon/pmbus/pmbus_core.c @@ -710,13 +710,13 @@ static u16 pmbus_data2reg(struct pmbus_data *data, * If a negative value is stored in any...
1d0045ee4a220872b65147b5b290e4a4852386d9
Analyze and fix the following issue in the Linux kernel code: hwmon: (smsc47m1) Fix compiler warning
Problem Details: Some configurations produce the following compiler warning: drivers/hwmon/smsc47m1.c: In function 'sm_smsc47m1_init': drivers/hwmon/smsc47m1.c:938: warning: 'address' may be used uninitialized in this function While this is a false positive, it can easily be fixed by overloading the return value from...
```diff diff --git a/drivers/hwmon/smsc47m1.c b/drivers/hwmon/smsc47m1.c index c590c1469793..b5aa38dd7ab9 100644 --- a/drivers/hwmon/smsc47m1.c +++ b/drivers/hwmon/smsc47m1.c @@ -491,10 +491,10 @@ static const struct attribute_group smsc47m1_group = { .attrs = smsc47m1_attributes, }; -static int __init smsc47m1_fi...
776cdc11b3b0fc21e34600e22abe1c8209d2f3f0
Analyze and fix the following issue in the Linux kernel code: hwmon: (acpi_power_meter) Fix compiler warning seen in some configurations
Problem Details: In some configurations, BUG() does not result in an endless loop but returns to the caller. This results in the following compiler warning: drivers/hwmon/acpi_power_meter.c: In function 'show_str': drivers/hwmon/acpi_power_meter.c:380: warning: 'val' may be used uninitialized in this function Fix the...
```diff diff --git a/drivers/hwmon/acpi_power_meter.c b/drivers/hwmon/acpi_power_meter.c index 145f13580ff0..9140236a0182 100644 --- a/drivers/hwmon/acpi_power_meter.c +++ b/drivers/hwmon/acpi_power_meter.c @@ -391,6 +391,7 @@ static ssize_t show_str(struct device *dev, break; default: BUG(); + val = ""; } ...
8528e07edfc6ac5a793509f305b9c3c4fb3672c0
Analyze and fix the following issue in the Linux kernel code: hwmon: (smsc47b397) Fix compiler warning
Problem Details: Some configurations produce the following compiler warning: drivers/hwmon/smsc47b397.c: In function 'smsc47b397_init': drivers/hwmon/smsc47b397.c:385: warning: 'address' may be used uninitialized in this function While this is a false positive, it can easily be fixed by overloading the return value f...
```diff diff --git a/drivers/hwmon/smsc47b397.c b/drivers/hwmon/smsc47b397.c index d3b778da3f86..c5f6be478bad 100644 --- a/drivers/hwmon/smsc47b397.c +++ b/drivers/hwmon/smsc47b397.c @@ -343,10 +343,11 @@ exit: return err; } -static int __init smsc47b397_find(unsigned short *addr) +static int __init smsc47b397_fin...
ef4f9d4f09265b60fcb6bfa31a614ea84a72b7a8
Analyze and fix the following issue in the Linux kernel code: pch_uart: Fix duplicate memory release issue
Problem Details: Add initialize variable to prevent duplicate free memory. Signed-off-by: Tomoya MORINAGA <tomoya.rohm@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
```diff diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c index e7d91d973d52..6e96304b7c8f 100644 --- a/drivers/tty/serial/pch_uart.c +++ b/drivers/tty/serial/pch_uart.c @@ -656,10 +656,13 @@ static void pch_free_dma(struct uart_port *port) dma_release_channel(priv->chan_rx); priv->chan_r...
04e2c2e3bfb1652510d4c12ac2837a8f8b08bd3a
Analyze and fix the following issue in the Linux kernel code: pch_uart: Fix return value issue
Problem Details: Currently, occurring line status interrupt, returned value is not set in interrupt handler function. As a result, 0 can be returned. This patch adds setting returned value. Signed-off-by: Tomoya MORINAGA <tomoya.rohm@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
```diff diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c index d2873c67d25d..e7d91d973d52 100644 --- a/drivers/tty/serial/pch_uart.c +++ b/drivers/tty/serial/pch_uart.c @@ -39,6 +39,7 @@ enum { PCH_UART_HANDLED_RX_ERR_INT_SHIFT, PCH_UART_HANDLED_RX_TRG_INT_SHIFT, PCH_UART_HANDLED_MS_INT_...
fe2fc9ca5d7e5d9144a4039d89a6f1f8967d9263
Analyze and fix the following issue in the Linux kernel code: TTY: con3215, centralize allocation
Problem Details: There are two copies of allocations of device information. One of them is totally broken. See: raw->cdev = cdev; raw->inbuf = (char *) raw + sizeof(struct raw3215_info); memset(raw, 0, sizeof(struct raw3215_info)); It suggests that this path was never executed. The code uses both raw->cdev and raw->in...
```diff diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c index 4f9f1dcc1551..7e30f85ee3a5 100644 --- a/drivers/s390/char/con3215.c +++ b/drivers/s390/char/con3215.c @@ -324,10 +324,7 @@ static inline void raw3215_try_io(struct raw3215_info *raw) } } else if (!(raw->flags & RAW3215_TIMER_RUN...
3cb42092ff02edec34bf936b7400b1f1efc8ca43
Analyze and fix the following issue in the Linux kernel code: um: fix linker script generation
Problem Details: while we can't just use -U$(SUBARCH), we still need to kill idiotic define (implicit -Di386=1), both for SUBARCH=i386 and SUBARCH=x86/CONFIG_64BIT=n builds. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
```diff diff --git a/arch/um/kernel/Makefile b/arch/um/kernel/Makefile index 492bc4c1b62b..65a1c3d690ea 100644 --- a/arch/um/kernel/Makefile +++ b/arch/um/kernel/Makefile @@ -3,9 +3,10 @@ # Licensed under the GPL # -CPPFLAGS_vmlinux.lds := -DSTART=$(LDS_START) \ - -DELF_ARCH=$(LDS_ELF_ARCH) ...
3fd7e4341e04f80e2605f56bbd8cb1e8b027901a
Analyze and fix the following issue in the Linux kernel code: [media] mxl111sf: remove an unused variable
Problem Details: We don't use this any more after 3be5bb71fb "[media] mxl111sf: fix error on stream stop in mxl111sf_ep6_streaming_ctrl()" and it makes GCC complain. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
```diff diff --git a/drivers/media/dvb/dvb-usb/mxl111sf.c b/drivers/media/dvb/dvb-usb/mxl111sf.c index 81305de2fea5..91834c583580 100644 --- a/drivers/media/dvb/dvb-usb/mxl111sf.c +++ b/drivers/media/dvb/dvb-usb/mxl111sf.c @@ -340,7 +340,6 @@ static int mxl111sf_ep6_streaming_ctrl(struct dvb_usb_adapter *adap, int onof...
ad30e91befd7153827a97faa8281dcd48aa6702d
Analyze and fix the following issue in the Linux kernel code: [media] af9035: fix and enhance I2C adapter
Problem Details: There was a bug I2C adapter writes and reads one byte too much. As the most I2C clients has auto-increment register addressing this leads next register from the target register overwritten by garbage data. As a change remove whole register address byte usage and write data directly to the I2C bus with...
```diff diff --git a/drivers/media/dvb/dvb-usb/af9035.c b/drivers/media/dvb/dvb-usb/af9035.c index 73044632d943..58fe69deda1f 100644 --- a/drivers/media/dvb/dvb-usb/af9035.c +++ b/drivers/media/dvb/dvb-usb/af9035.c @@ -224,6 +224,22 @@ static int af9035_i2c_master_xfer(struct i2c_adapter *adap, if (mutex_lock_interru...
9a637e19213496b756662155ef26394e189b320a
Analyze and fix the following issue in the Linux kernel code: ARM: OMAP1: mux: add missing include
Problem Details: Fix the following build breakage in v3.4-rc2 that happens with CONFIG_OMAP_MUX=y: arch/arm/mach-omap1/mux.c:89:1: error: 'FUNC_MUX_CTRL_9' undeclared here (not in a function) arch/arm/mach-omap1/mux.c:89:1: error: 'PULL_DWN_CTRL_2' undeclared here (not in a function) arch/arm/mach-omap1/mux.c:93:1: er...
```diff diff --git a/arch/arm/mach-omap1/mux.c b/arch/arm/mach-omap1/mux.c index 087dba0df47e..e9cc52d4cb28 100644 --- a/arch/arm/mach-omap1/mux.c +++ b/arch/arm/mach-omap1/mux.c @@ -27,6 +27,7 @@ #include <linux/io.h> #include <linux/spinlock.h> +#include <mach/hardware.h> #include <plat/mux.h> ```
6ec12988c022bee4af28a5d3941a01f9e78a96e9
Analyze and fix the following issue in the Linux kernel code: [media] af9035: fix warning
Problem Details: On a 32 bit system: af9035.c: In function 'af9035_download_firmware': af9035.c:446:3: warning: format '%lu' expects argument of type 'long unsigned int', but argument 3 has type 'unsigned int' [-Wformat] %zu avoids any warning on both 32 and 64 bit systems. Signed-off-by: Gianluca Gennari <gennarone...
```diff diff --git a/drivers/media/dvb/dvb-usb/af9035.c b/drivers/media/dvb/dvb-usb/af9035.c index 92d27aa80800..d5c1fa7947ac 100644 --- a/drivers/media/dvb/dvb-usb/af9035.c +++ b/drivers/media/dvb/dvb-usb/af9035.c @@ -440,7 +440,7 @@ static int af9035_download_firmware(struct usb_device *udev, i -= hdr_data_len +...
812fe6d9426a23ad78055f1fa955acef9bea9a93
Analyze and fix the following issue in the Linux kernel code: [media] af9035: i2c read fix
Problem Details: Enable i2c read requests. I2C read fix (necessary e.g. for mxl5007t tuner, because it sends a 2 bytes for a read request, thus msg[0].len != msg[1].len). Signed-off-by: Hans-Frieder Vogt <hfvogt@gmx.net> Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@redha...
```diff diff --git a/drivers/media/dvb/dvb-usb/af9035.c b/drivers/media/dvb/dvb-usb/af9035.c index dc0a49ac664a..6a83120afcd6 100644 --- a/drivers/media/dvb/dvb-usb/af9035.c +++ b/drivers/media/dvb/dvb-usb/af9035.c @@ -209,24 +209,15 @@ static int af9035_i2c_master_xfer(struct i2c_adapter *adap, msg[1].len); }...
3a871ca270545194887ddae726b51f1e2bf45f32
Analyze and fix the following issue in the Linux kernel code: [media] af9033: correct debug print
Problem Details: Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
```diff diff --git a/drivers/media/dvb/frontends/af9033.c b/drivers/media/dvb/frontends/af9033.c index 161bbe5f2e3f..9ade510f9dfe 100644 --- a/drivers/media/dvb/frontends/af9033.c +++ b/drivers/media/dvb/frontends/af9033.c @@ -342,7 +342,7 @@ static int af9033_sleep(struct dvb_frontend *fe) usleep_range(200, 10000);...
867c902e07d5677e2a5b54c0435e589513abde48
Analyze and fix the following issue in the Linux kernel code: pch_uart: Fix MSI setting issue
Problem Details: The following patch (MSI setting) is not enough. commit e463595fd9c752fa4bf06b47df93ef9ade3c7cf0 Author: Alexander Stein <alexander.stein@systec-electronic.com> Date: Mon Jul 4 08:58:31 2011 +0200 pch_uart: Add MSI support Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.c...
```diff diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c index e825460478be..afa060fde110 100644 --- a/drivers/tty/serial/pch_uart.c +++ b/drivers/tty/serial/pch_uart.c @@ -1655,6 +1655,7 @@ static struct eg20t_port *pch_uart_init_port(struct pci_dev *pdev, } pci_enable_msi(pdev); + pci_...
5a9abae497f8c9e08c919d80fefcaeaf1cf9ab73
Analyze and fix the following issue in the Linux kernel code: [media] af9035: enhancement for unknown tuner ID handling
Problem Details: * do not attach frontend when tuner is not supported * fix unkown tuner ID log write format * add prefix for dvb-usb log writings Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
```diff diff --git a/drivers/media/dvb/dvb-usb/af9035.c b/drivers/media/dvb/dvb-usb/af9035.c index 6606cf52ea98..b8cd27ae161b 100644 --- a/drivers/media/dvb/dvb-usb/af9035.c +++ b/drivers/media/dvb/dvb-usb/af9035.c @@ -489,10 +489,9 @@ static int af9035_read_mac_address(struct dvb_usb_device *d, u8 mac[6]) af9035_a...
3579812373aba92b2f3b632bdf99329bc3c05d62
Analyze and fix the following issue in the Linux kernel code: Revert "serial/8250_pci: init-quirk msi support for kt serial controller"
Problem Details: This reverts commit e86ff4a63c9fdd875ba8492577cd1ad2252f525c. This tried to enforce the semantics of one interrupt per iir read of the THRE (transmit-hold empty) status, but events from other sources (particularly modem status) defeat this guarantee. This change also broke 8250_pci suspend/resume sup...
```diff diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c index da2b0b0a183f..1d4ccf8c8874 100644 --- a/drivers/tty/serial/8250/8250_pci.c +++ b/drivers/tty/serial/8250/8250_pci.c @@ -1118,18 +1118,6 @@ pci_xr17c154_setup(struct serial_private *priv, return pci_default_setup(priv, b...
7b246a1d0dfe75346a22bf6589b858a0389e6df1
Analyze and fix the following issue in the Linux kernel code: serial: samsung: fix omission initialize ulcon in reset port fn()
Problem Details: Fix omission initialize ulcon in s3c24xx_serial_resetport(), reset port function in drivers/tty/serial/samsung.c. It has been happened from commit 0dfb3b41("serial: samsung: merge all SoC specific port reset functions") Signed-off-by: Kukjin Kim <kgene.kim@samsung.com> Cc: stable <stable@vger.kernel.o...
```diff diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c index de249d265bec..d8b0aee35632 100644 --- a/drivers/tty/serial/samsung.c +++ b/drivers/tty/serial/samsung.c @@ -982,6 +982,7 @@ static void s3c24xx_serial_resetport(struct uart_port *port, ucon &= ucon_mask; wr_regl(port, S3C2410_U...
57c3686842114de3b0c00633591e9605c46fb769
Analyze and fix the following issue in the Linux kernel code: tty/serial: atmel_serial: fix RS485 half-duplex problem
Problem Details: On our custom board, we are using RS485 in half-duplex mode on an AT91SAM9G45. SER_RS485_RX_DURING_TX is not set as we do not want to receive the data we transmit (our transceiver will receive transmitted data). Although the current driver attempts to disable and enable the receiver at the appropriate ...
```diff diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c index f9a6be7a9bed..3d7e1ee2fa57 100644 --- a/drivers/tty/serial/atmel_serial.c +++ b/drivers/tty/serial/atmel_serial.c @@ -389,6 +389,8 @@ static void atmel_start_rx(struct uart_port *port) { UART_PUT_CR(port, ATMEL_US_RSTSTA...
acede70d6561f2d042d9dbb153d9a3469479c0ed
Analyze and fix the following issue in the Linux kernel code: tty: serial: altera_uart: Check for NULL platform_data in probe.
Problem Details: Follow altera_jtag_uart. This fixes a crash if there is a mistake in the DTS. Signed-off-by: Yuriy Kozlov <ykozlov@ptcusa.com> Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
```diff diff --git a/drivers/tty/serial/altera_uart.c b/drivers/tty/serial/altera_uart.c index e7903751e058..1f0330915d5a 100644 --- a/drivers/tty/serial/altera_uart.c +++ b/drivers/tty/serial/altera_uart.c @@ -556,7 +556,7 @@ static int __devinit altera_uart_probe(struct platform_device *pdev) res_mem = platform_get...
ef37ea34cac19ef46173b26ee47a102f3b987d1e
Analyze and fix the following issue in the Linux kernel code: isdn/gigaset: use gig_dbg() for debugging output
Problem Details: The "TTY buffer in tty_port" patchset introduced an opencoded debug message in the Gigaset tty device if_close() function. Change it to use the gig_dbg() macro like everywhere else in the driver. Signed-off-by: Tilman Schmidt <tilman@imap.cc> Cc: Jiri Slaby <jslaby@suse.cz> Signed-off-by: Greg Kroah-H...
```diff diff --git a/drivers/isdn/gigaset/interface.c b/drivers/isdn/gigaset/interface.c index b3d6ac17272d..a6d9fd2858f7 100644 --- a/drivers/isdn/gigaset/interface.c +++ b/drivers/isdn/gigaset/interface.c @@ -176,7 +176,7 @@ static void if_close(struct tty_struct *tty, struct file *filp) struct cardstate *cs = tty-...
388bc26226807fbcf4c626b81bb17a2e74aa4b1b
Analyze and fix the following issue in the Linux kernel code: omap-serial: Fix the error handling in the omap_serial probe
Problem Details: The patch does the following - The pm_runtime_disable is called in the remove not in the error case of probe.The patch calls the pm_runtime_disable in the error case. - Calls pm_runtime_put in the error case. - The up is not freed in the error path. Fix the memory leak by using devm_* so that t...
```diff diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c index 0121486ac4fa..d00b38eb268e 100644 --- a/drivers/tty/serial/omap-serial.c +++ b/drivers/tty/serial/omap-serial.c @@ -1381,29 +1381,24 @@ static int serial_omap_probe(struct platform_device *pdev) return -ENODEV; } - if ...
50c205f5e5c2e2af002fd4ef537ded79b90b1b56
Analyze and fix the following issue in the Linux kernel code: LSM: do not initialize common_audit_data to 0
Problem Details: It isn't needed. If you don't set the type of the data associated with that type it is a pretty obvious programming bug. So why waste the cycles? Signed-off-by: Eric Paris <eparis@redhat.com>
```diff diff --git a/include/linux/lsm_audit.h b/include/linux/lsm_audit.h index 75368c1aac78..1cc89e9df480 100644 --- a/include/linux/lsm_audit.h +++ b/include/linux/lsm_audit.h @@ -92,11 +92,6 @@ int ipv4_skb_to_auditdata(struct sk_buff *skb, int ipv6_skb_to_auditdata(struct sk_buff *skb, struct common_audit_data...
154c50ca4eb9ae472f50b6a481213e21ead4457d
Analyze and fix the following issue in the Linux kernel code: SELinux: if sel_make_bools errors don't leave inconsistent state
Problem Details: We reset the bool names and values array to NULL, but do not reset the number of entries in these arrays to 0. If we error out and then get back into this function we will walk these NULL pointers based on the belief that they are non-zero length. Signed-off-by: Eric Paris <eparis@redhat.com> cc: sta...
```diff diff --git a/security/selinux/selinuxfs.c b/security/selinux/selinuxfs.c index 640feaa06c08..4e93f9ef970b 100644 --- a/security/selinux/selinuxfs.c +++ b/security/selinux/selinuxfs.c @@ -1233,6 +1233,7 @@ static int sel_make_bools(void) kfree(bool_pending_names[i]); kfree(bool_pending_names); kfree(bool_...
95dbf739313f09c8d859bde1373bc264ef979337
Analyze and fix the following issue in the Linux kernel code: SELinux: check OPEN on truncate calls
Problem Details: In RH BZ 578841 we realized that the SELinux sandbox program was allowed to truncate files outside of the sandbox. The reason is because sandbox confinement is determined almost entirely by the 'open' permission. The idea was that if the sandbox was unable to open() files it would be unable to do har...
```diff diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index d85b793c9321..f7d7e779c7f3 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -2708,6 +2708,7 @@ static int selinux_inode_setattr(struct dentry *dentry, struct iattr *iattr) { const struct cred *cred = current_cred();...
b78f29ca0516266431688c5eb42d39ce42ec039a
Analyze and fix the following issue in the Linux kernel code: video:uvesafb: Fix oops that uvesafb try to execute NX-protected page
Problem Details: This patch fix the oops below that catched in my machine [ 81.560602] uvesafb: NVIDIA Corporation, GT216 Board - 0696a290, Chip Rev , OEM: NVIDIA, VBE v3.0 [ 81.609384] uvesafb: protected mode interface info at c000:d350 [ 81.609388] uvesafb: pmi: set display start = c00cd3b3, set palette = c0...
```diff diff --git a/drivers/video/uvesafb.c b/drivers/video/uvesafb.c index 260cca7ddb41..26e83d7fdd6f 100644 --- a/drivers/video/uvesafb.c +++ b/drivers/video/uvesafb.c @@ -815,8 +815,15 @@ static int __devinit uvesafb_vbe_init(struct fb_info *info) par->pmi_setpal = pmi_setpal; par->ypan = ypan; - if (par->pmi...
ec34a01de31128e5c08e5f05c47f4a787f45a33c
Analyze and fix the following issue in the Linux kernel code: drm/i915: VCS is not the last ring
Problem Details: I made a mistake, please forgive me. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=48254 Signed-off-by: Ben Widawsky <benjamin.widawsky@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
```diff diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 2a1f0d7de0f2..7e009950ac39 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -742,7 +742,7 @@ static void i915_ring_error_state(struct seq_file *m, struct drm_i915_erro...
618563e3945b9d0864154bab3c607865b557cecc
Analyze and fix the following issue in the Linux kernel code: drm/i915: Add a dual link lvds quirk for MacBook Pro 8,2
Problem Details: When booting with EFI, Apple botched this one up. v2: Switch the quirk dmesg output to DRM_INFO. v3: Actually git add the new things ... Tested-by: Austin Lund <austin.lund@gmail.com> Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=42842 Acked-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-...
```diff diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 2bd08ef056d9..6ec81b43ffc0 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -24,6 +24,7 @@ * Eric Anholt <eric@anholt.net> */ +#include <linux/dmi.h> #include <lin...
bc0daf488fc4a255733ad19fe0de995f4a4d745f
Analyze and fix the following issue in the Linux kernel code: drm/i915: make quirks more verbose
Problem Details: And add informational dmesg output where it does not yet exist. In case a quirk matches too much, this information is crucial for debugging such a bug report. Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
```diff diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c index d54d2327a1b3..70b0f1abf149 100644 --- a/drivers/gpu/drm/i915/intel_crt.c +++ b/drivers/gpu/drm/i915/intel_crt.c @@ -545,7 +545,7 @@ static const struct drm_encoder_funcs intel_crt_enc_funcs = { static int __init intel_no_c...
9d2f41fa0fd9a3e086d3c072b0113b6b9ebae06b
Analyze and fix the following issue in the Linux kernel code: drm/i915: dump the DMA fetch addr register on pre-gen6
Problem Details: It exists way back to gen2, bug got moved around on gen4 a bit. Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
```diff diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index d226f2f2f7bc..2a1f0d7de0f2 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -757,8 +757,8 @@ static void i915_ring_error_state(struct seq_file *m, if (INTEL_INFO(dev)->gen ...
a0b1c7a5197293d6206b245b45edc3f508aadab6
Analyze and fix the following issue in the Linux kernel code: drm/i915/sdvo: Include YRPB as an additional TV output type
Problem Details: Reported-and-tested-by: Bo Wang < bo.b.wang@intel.com> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=36997 Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
```diff diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c index 830c8b5d90b8..6898145b44ce 100644 --- a/drivers/gpu/drm/i915/intel_sdvo.c +++ b/drivers/gpu/drm/i915/intel_sdvo.c @@ -41,7 +41,7 @@ #define SDVO_TMDS_MASK (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1) #define SDVO_RGB_MASK (SD...
d97c121bb23d32ef631c553d2656f8ccf8349507
Analyze and fix the following issue in the Linux kernel code: ath6kl: Fix 4-way handshake failure in AP and P2P GO mode
Problem Details: RSN capability field of RSN IE which is generated (which is what really advertised in beacon/probe response) differs from the one generated in wpa_supplicant. This inconsistency in rsn IE results in 4-way handshake failure. To fix this, configure rsn capability used in wpa_supplicant in firmware using ...
```diff diff --git a/drivers/net/wireless/ath/ath6kl/cfg80211.c b/drivers/net/wireless/ath/ath6kl/cfg80211.c index 900993017d09..86d388f57708 100644 --- a/drivers/net/wireless/ath/ath6kl/cfg80211.c +++ b/drivers/net/wireless/ath/ath6kl/cfg80211.c @@ -2548,6 +2548,52 @@ static int ath6kl_set_channel(struct wiphy *wiphy,...
1e8d13b0aca8414a1ab581e24ae1851b9820a3b1
Analyze and fix the following issue in the Linux kernel code: ath6kl: Fix target assert in p2p bringup with multi vif
Problem Details: Using interface 0 for p2p causes target assert. This is because interface 0 is always initialized to non-p2p operations. Fix this issue by initializing all the interfaces for p2p when fw is capable of dynamic interface switching. When fw is not capable of dynamic switching, make sure p2p is not brought...
```diff diff --git a/drivers/net/wireless/ath/ath6kl/cfg80211.c b/drivers/net/wireless/ath/ath6kl/cfg80211.c index 1272508513f7..06f12da554e1 100644 --- a/drivers/net/wireless/ath/ath6kl/cfg80211.c +++ b/drivers/net/wireless/ath/ath6kl/cfg80211.c @@ -1451,9 +1451,38 @@ static int ath6kl_cfg80211_change_iface(struct wip...
ed0ee0ce0a3224dab5caa088a5f8b6df25924276
Analyze and fix the following issue in the Linux kernel code: [media] uvcvideo: Fix race-related crash in uvc_video_clock_update()
Problem Details: The driver frees the clock samples buffer before stopping the video buffers queue. If a DQBUF call arrives in-between, uvc_video_clock_update() will be called with a NULL clock samples buffer, leading to a crash. This occurs very frequently when using the webcam with the flash browser plugin. Move clo...
```diff diff --git a/drivers/media/video/uvc/uvc_video.c b/drivers/media/video/uvc/uvc_video.c index 4a44f9a1bae0..b76b0ac0958f 100644 --- a/drivers/media/video/uvc/uvc_video.c +++ b/drivers/media/video/uvc/uvc_video.c @@ -468,22 +468,30 @@ uvc_video_clock_decode(struct uvc_streaming *stream, struct uvc_buffer *buf, ...
d3a92d624806a7964ca3122f917ff2ba69e4cdd8
Analyze and fix the following issue in the Linux kernel code: [media] Drivers/media/radio: Fix build error
Problem Details: On Sunday, April 01, 2012 21:09:34 Tracey Dent wrote: > radio-maxiradio depends on SND_FM801_TEA575X_BOOL to build or will > result in an build error such as: > > Kernel: arch/x86/boot/bzImage is ready (#1) > ERROR: "snd_tea575x_init" [drivers/media/radio/radio-maxiradio.ko] undefined! > ERROR: "snd_t...
```diff diff --git a/sound/pci/Kconfig b/sound/pci/Kconfig index 88168044375f..5ca0939e4223 100644 --- a/sound/pci/Kconfig +++ b/sound/pci/Kconfig @@ -2,8 +2,8 @@ config SND_TEA575X tristate - depends on SND_FM801_TEA575X_BOOL || SND_ES1968_RADIO || RADIO_SF16FMR2 - default SND_FM801 || SND_ES1968 || RADIO_SF16FMR...
c065f5b4ee4487bbd411049be6eea1b59a90db96
Analyze and fix the following issue in the Linux kernel code: [media] dvb_frontend: fix compiler warning
Problem Details: has_get_frontend() should return a boolean, not a pointer. Signed-off-by: Hans Petter Selasky <hselasky@c2i.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
```diff diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c index e721975476b0..39696c6a4ed7 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -148,7 +148,7 @@ static int dtv_property_legacy_params_sync(struct dvb_fro...
4da28766140449e04270246fae310c137180652d
Analyze and fix the following issue in the Linux kernel code: [media] it913x: fix firmware loading errors
Problem Details: On some systems the device does not respond or give obscure values after cold, warm or firmware reboot. This patch retries to get chip version and type 5 times. If it fails it applies chip version 0x1 and type 0x9135. This patch does not fix warm cycle problems from other operating systems and indeed...
```diff diff --git a/drivers/media/dvb/dvb-usb/it913x.c b/drivers/media/dvb/dvb-usb/it913x.c index 3b7b102f20ae..482d249ca7f3 100644 --- a/drivers/media/dvb/dvb-usb/it913x.c +++ b/drivers/media/dvb/dvb-usb/it913x.c @@ -238,12 +238,27 @@ static int it913x_read_reg(struct usb_device *udev, u32 reg) static u32 it913x_q...
bc169e35e3a72c6888b7d12f50f2c4063436d834
Analyze and fix the following issue in the Linux kernel code: [media] ivtv: Fix AUDIO_(BILINGUAL_)CHANNEL_SELECT regression
Problem Details: When I converted ivtv to the new decoder API I introduced a regression in the support of the old channel select API. Thanks to Martin Dauskardt for reporting this. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Reviewed-by: Andy Walls <awalls@md.metrocast.net> Signed-off-by: Mauro Carvalho Cheh...
```diff diff --git a/drivers/media/video/ivtv/ivtv-ioctl.c b/drivers/media/video/ivtv/ivtv-ioctl.c index 5452beef8e11..989e556913ed 100644 --- a/drivers/media/video/ivtv/ivtv-ioctl.c +++ b/drivers/media/video/ivtv/ivtv-ioctl.c @@ -1763,13 +1763,13 @@ static int ivtv_decoder_ioctls(struct file *filp, unsigned int cmd, v...
556a0442e08a8bc8541587a349cbf26ed14ec6de
Analyze and fix the following issue in the Linux kernel code: [media] dvb_frontend: regression fix: userspace ABI broken for xine
Problem Details: The commit e399ce77e6e has broken the DVB ABI for xine: The problem is that xine is expecting every event after a successful FE_SET_FRONTEND ioctl to have a non-zero frequency parameter, regardless of whether the tuning process has LOCKed yet. What used to happen is that the events inherited the initi...
```diff diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c index 4555baa383b2..e721975476b0 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -143,6 +143,8 @@ struct dvb_frontend_private { static void dvb_frontend_w...
c74b0f586fa3cbc92ca451836fd75ae7a3fa85ac
Analyze and fix the following issue in the Linux kernel code: mtip32xx: fix handling of commands in various scenarios
Problem Details: * If a ncq command time out and a non-ncq command is active, skip restart port * Queue(pause) ncq commands during operations spanning more than one non-ncq commands - secure erase, download microcode * When a non-ncq command is active, allow incoming non-ncq commands to wait instead of failing back * ...
```diff diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c index e57864a7912e..47404ef5749f 100644 --- a/drivers/block/mtip32xx/mtip32xx.c +++ b/drivers/block/mtip32xx/mtip32xx.c @@ -436,7 +436,8 @@ static void mtip_init_port(struct mtip_port *port) writel(0xFFFFFFFF, port->completed[...
b1349f2536efcb592927ab6f8687c36c3c124f6b
Analyze and fix the following issue in the Linux kernel code: typo fix in Documentation/filesystems/vfs.txt
Problem Details: Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
```diff diff --git a/Documentation/filesystems/vfs.txt b/Documentation/filesystems/vfs.txt index e916e3d36488..0d0492028082 100644 --- a/Documentation/filesystems/vfs.txt +++ b/Documentation/filesystems/vfs.txt @@ -114,7 +114,7 @@ members are defined: struct file_system_type { const char *name; int fs_flags; - ...
c65390f4dd49755863f6d772ec538ee4757c08d7
Analyze and fix the following issue in the Linux kernel code: fix breakage in mtdchar_open(), sanitize failure exits
Problem Details: simple_release_fs() should be only done on failure there. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
```diff diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c index 94eb05b1afdf..58fc65f5c817 100644 --- a/drivers/mtd/mtdchar.c +++ b/drivers/mtd/mtdchar.c @@ -106,16 +106,14 @@ static int mtdchar_open(struct inode *inode, struct file *file) } if (mtd->type == MTD_ABSENT) { - put_mtd_device(mtd); ret =...
32db797f10d465365a52d269c0b313b6b702e711
Analyze and fix the following issue in the Linux kernel code: ARM: EXYNOS: Fix compile error in exynos5250-cpufreq.c
Problem Details: This patch is omitted in v2 patch of Jaecheol Lee. drivers/cpufreq/exynos5250-cpufreq.c: In function 'set_clkdiv': drivers/cpufreq/exynos5250-cpufreq.c:144: error: 'EXYNOS5_CLKDIV_STATCPU0' undeclared (first use in this function) drivers/cpufreq/exynos5250-cpufreq.c:144: error: (Each undeclared identi...
```diff diff --git a/arch/arm/mach-exynos/include/mach/regs-clock.h b/arch/arm/mach-exynos/include/mach/regs-clock.h index e141c1fd68d8..d9578a58ae7f 100644 --- a/arch/arm/mach-exynos/include/mach/regs-clock.h +++ b/arch/arm/mach-exynos/include/mach/regs-clock.h @@ -255,9 +255,15 @@ /* For EXYNOS5250 */ +#define E...
0d923490f7dd5d96bc894a09a178117442b8795b
Analyze and fix the following issue in the Linux kernel code: ARM: EXYNOS: Add missing definition for IRQ_I2S0
Problem Details: This fixes following build error when sound support is selected on EXYNOS4 platform. sound/soc/samsung/idma.c: In function ‘idma_close’: sound/soc/samsung/idma.c:327:11: error: ‘IRQ_I2S0’ undeclared (first use in this function) Signed-off-by: Tushar Behera <tushar.behera@linaro.org> Signed-off-by: Ku...
```diff diff --git a/arch/arm/mach-exynos/include/mach/irqs.h b/arch/arm/mach-exynos/include/mach/irqs.h index 9bee8535d9e0..591e78521a9f 100644 --- a/arch/arm/mach-exynos/include/mach/irqs.h +++ b/arch/arm/mach-exynos/include/mach/irqs.h @@ -212,6 +212,8 @@ #define IRQ_MFC EXYNOS4_IRQ_MFC #define IRQ_SDO EXYNO...
70499329202a68f7485415e009e04213672f6811
Analyze and fix the following issue in the Linux kernel code: ARM: S5PV210: fix unused LDO supply field from wm8994_pdata
Problem Details: According to commit 719a4240("mfd: Remove unused LDO supply field from WM8994 pdata"), the LDO supply field should be removed from the initializer. Cc: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
```diff diff --git a/arch/arm/mach-s5pv210/mach-aquila.c b/arch/arm/mach-s5pv210/mach-aquila.c index a9ea64e0da0d..48d018f2332b 100644 --- a/arch/arm/mach-s5pv210/mach-aquila.c +++ b/arch/arm/mach-s5pv210/mach-aquila.c @@ -484,8 +484,8 @@ static struct wm8994_pdata wm8994_platform_data = { .gpio_defaults[8] = 0x0100,...
93019734555f8df32239c5922fe2b770c0a08eaa
Analyze and fix the following issue in the Linux kernel code: fbdev: fix au1*fb builds
Problem Details: Commit 1c16697bf9d5b206cb0d2b905a54de5e077296be ("drivers/video/au*fb.c: use devm_ functions) introduced 2 build failures in the au1100fb and au1200fb drivers, fix them. Signed-off-by: Manuel Lauss <manuel.lauss@googlemail.com> Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
```diff diff --git a/drivers/video/au1100fb.c b/drivers/video/au1100fb.c index befcbd8ef019..ffbce4525468 100644 --- a/drivers/video/au1100fb.c +++ b/drivers/video/au1100fb.c @@ -499,7 +499,8 @@ static int __devinit au1100fb_drv_probe(struct platform_device *dev) au1100fb_fix.mmio_start = regs_res->start; au1100fb_...
ef798d0207e02e05bfabc7ba96e8a6f2cc07066e
Analyze and fix the following issue in the Linux kernel code: kyrofb: fix on x86_64
Problem Details: kyrofb is completely broken on x86_64 because the registers are defined as unsigned long. Change them to u32 to make the driver work. Tested with Hercules 3D Prophet 4000XT. Signed-off-by: Ondrej Zary <linux@rainbow-software.org> Acked-by: Paul Mundt <lethal@linux-sh.org> Signed-off-by: Florian Tobias...
```diff diff --git a/drivers/video/kyro/STG4000Reg.h b/drivers/video/kyro/STG4000Reg.h index 5d6269882589..50f4670e9252 100644 --- a/drivers/video/kyro/STG4000Reg.h +++ b/drivers/video/kyro/STG4000Reg.h @@ -73,210 +73,210 @@ typedef enum _OVRL_PIX_FORMAT { /* Register Table */ typedef struct { /* 0h */ - volatile ...
1e3f42f03c38c29c1814199a6f0a2f01b919ea3f
Analyze and fix the following issue in the Linux kernel code: KVM: MMU: Improve iteration through sptes from rmap
Problem Details: Iteration using rmap_next(), the actual body is pte_list_next(), is inefficient: every time we call it we start from checking whether rmap holds a single spte or points to a descriptor which links more sptes. In the case of shadow paging, this quadratic total iteration cost is a problem. Even for two...
```diff diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 3213348e3a93..29ad6f9c58a5 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -842,32 +842,6 @@ static int pte_list_add(struct kvm_vcpu *vcpu, u64 *spte, return count; } -static u64 *pte_list_next(unsigned long *pte_list, u64 *spte) -{ - s...
bbcc9c06695243ea23d30de36842df9200c33857
Analyze and fix the following issue in the Linux kernel code: powerpc/kvm: Fix magic page vs. 32-bit RTAS on ppc64
Problem Details: When the kernel calls into RTAS, it switches to 32-bit mode. The magic page was is longer accessible in that case, causing the patched instructions in the RTAS call wrapper to crash. This fixes it by making available a 32-bit mapping of the magic page in that case. This mapping is flushed whenever we ...
```diff diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c index c8ead7b9f03b..3f2a8360c857 100644 --- a/arch/powerpc/kvm/book3s.c +++ b/arch/powerpc/kvm/book3s.c @@ -291,6 +291,9 @@ pfn_t kvmppc_gfn_to_pfn(struct kvm_vcpu *vcpu, gfn_t gfn) { ulong mp_pa = vcpu->arch.magic_page_pa; + if (!(vcpu->ar...
6df79df5b27d74e0c9803d7f47bb878370996548
Analyze and fix the following issue in the Linux kernel code: KVM: PPC: Emulate tw and td instructions
Problem Details: There are 4 conditional trapping instructions: tw, twi, td, tdi. The ones with an i take an immediate comparison, the others compare two registers. All of them arrive in the emulator when the condition to trap was successfully fulfilled. Unfortunately, we were only implementing the i versions so far, ...
```diff diff --git a/arch/powerpc/kvm/emulate.c b/arch/powerpc/kvm/emulate.c index e79a620608ab..afc9154f1aef 100644 --- a/arch/powerpc/kvm/emulate.c +++ b/arch/powerpc/kvm/emulate.c @@ -35,7 +35,9 @@ #define OP_TRAP 3 #define OP_TRAP_64 2 +#define OP_31_XOP_TRAP 4 #define OP_31_XOP_LWZX 23 +#define OP_3...
7657f4089b097846cc37bfa2b74fc0bd2bd60e30
Analyze and fix the following issue in the Linux kernel code: KVM: PPC: Book 3S: Fix compilation for !HV configs
Problem Details: Commits 2f5cdd5487 ("KVM: PPC: Book3S HV: Make secondary threads more robust against stray IPIs") and 1c2066b0f7 ("KVM: PPC: Book3S HV: Make virtual processor area registration more robust") added fields to struct kvm_vcpu_arch inside #ifdef CONFIG_KVM_BOOK3S_64_HV regions, and added lines to arch/powe...
```diff diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c index 502e038f8c8a..694af3ebb0e4 100644 --- a/arch/powerpc/kernel/asm-offsets.c +++ b/arch/powerpc/kernel/asm-offsets.c @@ -450,6 +450,7 @@ int main(void) DEFINE(KVM_VRMA_SLB_V, offsetof(struct kvm, arch.vrma_slb_v)); DEFINE(...
2e25aa5f64b18a97f35266e51c71ff4dc644db0c
Analyze and fix the following issue in the Linux kernel code: KVM: PPC: Book3S HV: Make virtual processor area registration more robust
Problem Details: The PAPR API allows three sorts of per-virtual-processor areas to be registered (VPA, SLB shadow buffer, and dispatch trace log), and furthermore, these can be registered and unregistered for another virtual CPU. Currently we just update the vcpu fields pointing to these areas at the time of registrat...
```diff diff --git a/arch/powerpc/include/asm/hvcall.h b/arch/powerpc/include/asm/hvcall.h index 1c324ff55ea8..318bac9f8752 100644 --- a/arch/powerpc/include/asm/hvcall.h +++ b/arch/powerpc/include/asm/hvcall.h @@ -114,6 +114,16 @@ #define H_PP1 (1UL<<(63-62)) #define H_PP2 (1UL<<(63-63)) +/* Flags for H_REGIST...
f0888f70151c7f53de2b45ee20ff1905837943e8
Analyze and fix the following issue in the Linux kernel code: KVM: PPC: Book3S HV: Make secondary threads more robust against stray IPIs
Problem Details: Currently on POWER7, if we are running the guest on a core and we don't need all the hardware threads, we do nothing to ensure that the unused threads aren't executing in the kernel (other than checking that they are offline). We just assume they're napping and we don't do anything to stop them trying...
```diff diff --git a/arch/powerpc/include/asm/kvm_book3s_asm.h b/arch/powerpc/include/asm/kvm_book3s_asm.h index 1f2f5b6156bd..88609b23b775 100644 --- a/arch/powerpc/include/asm/kvm_book3s_asm.h +++ b/arch/powerpc/include/asm/kvm_book3s_asm.h @@ -79,6 +79,9 @@ struct kvmppc_host_state { u8 napping; #ifdef CONFIG_K...
c6b3733bef2ffece49336dba7220fefdae5fa908
Analyze and fix the following issue in the Linux kernel code: KVM: PPC: e500: fix typo in tlb code
Problem Details: The tlbncfg registers should be populated with their respective TLB's values. Fix the obvious typo. Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Avi Kivity <avi@redhat.com>
```diff diff --git a/arch/powerpc/kvm/e500_tlb.c b/arch/powerpc/kvm/e500_tlb.c index 279e10aaf7b3..e05232b746ff 100644 --- a/arch/powerpc/kvm/e500_tlb.c +++ b/arch/powerpc/kvm/e500_tlb.c @@ -1268,8 +1268,8 @@ int kvmppc_e500_tlb_init(struct kvmppc_vcpu_e500 *vcpu_e500) vcpu->arch.tlbcfg[1] = mfspr(SPRN_TLB1CFG) & ...
c35c9d84cf141ebf05e2e481c0faccedc4f8f7ff
Analyze and fix the following issue in the Linux kernel code: KVM: PPC: booke: Readd debug abort code for machine check
Problem Details: When during guest execution we get a machine check interrupt, we don't know how to handle it yet. So let's add the error printing code back again that we dropped accidently earlier and tell user space that something went really wrong. Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Avi Ki...
```diff diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c index 11b06251e42e..af02d9dbd951 100644 --- a/arch/powerpc/kvm/booke.c +++ b/arch/powerpc/kvm/booke.c @@ -634,7 +634,12 @@ int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu, switch (exit_nr) { case BOOKE_INTERRUPT_MACHINE_CHE...
e9ba39c1f3dff93efddacbd4569ada05633e2a9b
Analyze and fix the following issue in the Linux kernel code: KVM: PPC: bookehv: disable MAS register updates early
Problem Details: We need to make sure that no MAS updates happen automatically while we have the guest MAS registers loaded. So move the disabling code a bit higher up so that it covers the full time we have guest values in MAS registers. The race this patch fixes should never occur, but it makes the code a bit more l...
```diff diff --git a/arch/powerpc/kvm/bookehv_interrupts.S b/arch/powerpc/kvm/bookehv_interrupts.S index dfa606dedb47..3a1db909947f 100644 --- a/arch/powerpc/kvm/bookehv_interrupts.S +++ b/arch/powerpc/kvm/bookehv_interrupts.S @@ -358,6 +358,7 @@ _GLOBAL(kvmppc_resume_host) mtspr SPRN_MAS4, r6 stw r5, VCPU_SHARED_M...
73ede8d32be6adc298fe3c2716e77c352c504c8c
Analyze and fix the following issue in the Linux kernel code: KVM: PPC: bookehv: fix exit timing
Problem Details: When using exit timing stats, we clobber r9 in the NEED_EMU case, so better move that part down a few lines and fix it that way. Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Avi Kivity <avi@redhat.com>
```diff diff --git a/arch/powerpc/kvm/bookehv_interrupts.S b/arch/powerpc/kvm/bookehv_interrupts.S index e9e735057939..e4a117263357 100644 --- a/arch/powerpc/kvm/bookehv_interrupts.S +++ b/arch/powerpc/kvm/bookehv_interrupts.S @@ -83,10 +83,6 @@ stw r10, VCPU_GUEST_PID(r4) mtspr SPRN_PID, r8 - .if \flags & NEED_E...
d1ff54992d3008f4253ab3176913bb85d770e935
Analyze and fix the following issue in the Linux kernel code: KVM: PPC: booke: deliver program int on emulation failure
Problem Details: When we fail to emulate an instruction for the guest, we better go in and tell it that we failed to emulate it, by throwing an illegal instruction exception. Please beware that we basically never get around to telling the guest that we failed thanks to the debugging code right above it. If user space ...
```diff diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c index 17d5318e6e4f..9979be1d7ff2 100644 --- a/arch/powerpc/kvm/booke.c +++ b/arch/powerpc/kvm/booke.c @@ -545,13 +545,13 @@ static int emulation_exit(struct kvm_run *run, struct kvm_vcpu *vcpu) return RESUME_HOST; case EMULATE_FAIL: - /* X...
acab05290696db0a5431a9ad171be649ab56e87b
Analyze and fix the following issue in the Linux kernel code: KVM: PPC: booke: remove leftover debugging
Problem Details: The e500mc patches left some debug code in that we don't need. Remove it. Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Avi Kivity <avi@redhat.com>
```diff diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c index 9fcc7607a54e..17d5318e6e4f 100644 --- a/arch/powerpc/kvm/booke.c +++ b/arch/powerpc/kvm/booke.c @@ -469,11 +469,6 @@ int kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu) return -EINVAL; } - if (!current->thread.kvm_vcpu...
1d628af78a28c77143bcdd4ed09e93bb235d4198
Analyze and fix the following issue in the Linux kernel code: KVM: PPC: e500mc: add load inst fixup
Problem Details: There's always a chance we're unable to read a guest instruction. The guest could have its TLB mapped execute-, but not readable, something odd happens and our TLB gets flushed. So it's a good idea to be prepared for that case and have a fallback that allows us to fix things up in that case. Add fixup...
```diff diff --git a/arch/powerpc/kvm/bookehv_interrupts.S b/arch/powerpc/kvm/bookehv_interrupts.S index 63023ae14da4..e9e735057939 100644 --- a/arch/powerpc/kvm/bookehv_interrupts.S +++ b/arch/powerpc/kvm/bookehv_interrupts.S @@ -28,6 +28,7 @@ #include <asm/asm-compat.h> #include <asm/asm-offsets.h> #include <asm/b...
a2723ce7fe4b99bc2df492067c3f81de2ee89aab
Analyze and fix the following issue in the Linux kernel code: KVM: PPC: e500mc: Move r1/r2 restoration very early
Problem Details: If we hit any exception whatsoever in the restore path and r1/r2 aren't the host registers, we don't get a working oops. So it's always a good idea to restore them as early as possible. This time, it actually has practical reasons to do so too, since we need to have the host page fault handler fix up ...
```diff diff --git a/arch/powerpc/kvm/bookehv_interrupts.S b/arch/powerpc/kvm/bookehv_interrupts.S index 9eaeebd86e44..63023ae14da4 100644 --- a/arch/powerpc/kvm/bookehv_interrupts.S +++ b/arch/powerpc/kvm/bookehv_interrupts.S @@ -67,6 +67,12 @@ * saved in vcpu: cr, ctr, r3-r13 */ .macro kvm_handler_common intno, ...
52e1718c6fd1a1f54c676c2107dc931e93865fe8
Analyze and fix the following issue in the Linux kernel code: KVM: PPC: e500: clean up arch/powerpc/kvm/e500.h
Problem Details: Move vcpu to the beginning of vcpu_e500 to give it appropriate prominence, especially if more fields end up getting added to the end of vcpu_e500 (and vcpu ends up in the middle). Remove gratuitous "extern" and add parameter names to prototypes. Signed-off-by: Scott Wood <scottwood@freescale.com> [ag...
```diff diff --git a/arch/powerpc/kvm/e500.h b/arch/powerpc/kvm/e500.h index 51d13bd40153..a48af005c223 100644 --- a/arch/powerpc/kvm/e500.h +++ b/arch/powerpc/kvm/e500.h @@ -42,6 +42,8 @@ struct kvmppc_e500_tlb_params { }; struct kvmppc_vcpu_e500 { + struct kvm_vcpu vcpu; + /* Unmodified copy of the guest's TLB ...
fc6cf99509eb8e5f16e0f81db0c71f5301193005
Analyze and fix the following issue in the Linux kernel code: KVM: PPC: e500: merge <asm/kvm_e500.h> into arch/powerpc/kvm/e500.h
Problem Details: Keeping two separate headers for e500-specific things was a pain, and wasn't even organized along any logical boundary. There was TLB stuff in <asm/kvm_e500.h> despite the existence of arch/powerpc/kvm/e500_tlb.h, and nothing in <asm/kvm_e500.h> needed to be referenced from outside arch/powerpc/kvm. ...
```diff diff --git a/arch/powerpc/include/asm/kvm_e500.h b/arch/powerpc/include/asm/kvm_e500.h deleted file mode 100644 index 8cd50a514271..000000000000 --- a/arch/powerpc/include/asm/kvm_e500.h +++ /dev/null @@ -1,96 +0,0 @@ -/* - * Copyright (C) 2008-2011 Freescale Semiconductor, Inc. All rights reserved. - * - * Aut...
a0ed46073c14f66dbf0707aaa7588b78da83d7c6
Analyze and fix the following issue in the Linux kernel code: KVM: MMU: Split the main body of rmap_write_protect() off from others
Problem Details: We will use this in the following patch to implement another function which needs to write protect pages using the rmap information. Note that there is a small change in debug printing for large pages: we do not differentiate them from others to avoid duplicating code. Signed-off-by: Takuya Yoshikawa...
```diff diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 4cb164268846..c8b5694d1a48 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -1010,42 +1010,43 @@ static void drop_spte(struct kvm *kvm, u64 *sptep) rmap_remove(kvm, sptep); } -int kvm_mmu_rmap_write_protect(struct kvm *kvm, u64 gfn, - ...
8c84780df909433777ea9463b8350bc0aab34940
Analyze and fix the following issue in the Linux kernel code: KVM: fix kvm_vcpu_kick build failure on S390
Problem Details: S390's kvm_vcpu_stat does not contain halt_wakeup member. Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by: Avi Kivity <avi@redhat.com>
```diff diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 7149a2e65524..a612bc8c921c 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -1514,6 +1514,7 @@ void kvm_vcpu_block(struct kvm_vcpu *vcpu) finish_wait(&vcpu->wq, &wait); } +#ifndef CONFIG_S390 /* * Kick a sleeping VCPU, or a guest ...
7a4e7408c5cadb240e068a662251754a562355e3
Analyze and fix the following issue in the Linux kernel code: userns: Add kuid_t and kgid_t and associated infrastructure in uidgid.h
Problem Details: Start distinguishing between internal kernel uids and gids and values that userspace can use. This is done by introducing two new types: kuid_t and kgid_t. These types and their associated functions are infrastructure are declared in the new header uidgid.h. Ultimately there will be a different impl...
```diff diff --git a/include/linux/uidgid.h b/include/linux/uidgid.h new file mode 100644 index 000000000000..a0addb8e5889 --- /dev/null +++ b/include/linux/uidgid.h @@ -0,0 +1,176 @@ +#ifndef _LINUX_UIDGID_H +#define _LINUX_UIDGID_H + +/* + * A set of types for the internal kernel types representing uids and gids. + *...
39fda8db80c9da028bc78ef444a51ea56f3cf0ad
Analyze and fix the following issue in the Linux kernel code: userns: Replace netlink uses of cap_raised with capable.
Problem Details: In 2009 Philip Reiser notied that a few users of netlink connector interface needed a capability check and added the idiom cap_raised(nsp->eff_cap, CAP_SYS_ADMIN) to a few of them, on the premise that netlink was asynchronous. In 2011 Patrick McHardy noticed we were being silly because netlink is sync...
```diff diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c index abfaacaaf346..946166e13953 100644 --- a/drivers/block/drbd/drbd_nl.c +++ b/drivers/block/drbd/drbd_nl.c @@ -2297,7 +2297,7 @@ static void drbd_connector_callback(struct cn_msg *req, struct netlink_skb_parms return; } - if (!ca...
cbf2d28e83d47792bd7af000017042dbc59f5df6
Analyze and fix the following issue in the Linux kernel code: ALSA: hda - fix record volume controls of CX20459 ("Venice")
Problem Details: The "input converter" widget of the CX20459 has only one input amplifier, expose that one as "Capture Volume/Capture Switch". The actual record source selection is already exposed through the separately installed input mux. Signed-off-by: Michael Karcher <kernel@mkarcher.dialup.fu-berlin.de> Signed-of...
```diff diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c index c0a3a17edd86..4b51c8f2fda2 100644 --- a/sound/pci/hda/patch_conexant.c +++ b/sound/pci/hda/patch_conexant.c @@ -797,10 +797,8 @@ static void cxt5045_hp_unsol_event(struct hda_codec *codec, } static const struct snd_kcontrol_n...
4f32456e5ed4852abc9b555c887dfb3481ea9cab
Analyze and fix the following issue in the Linux kernel code: ALSA: hda - Fix proc output for ADC amp values of CX20549
Problem Details: The CX20549 has only one single input amp on it's input converter widget. Fix printing of values in the codec file in /proc/asound. Signed-off-by: Michael Karcher <kernel@mkarcher.dialup.fu-berlin.de> Signed-off-by: Takashi Iwai <tiwai@suse.de>
```diff diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h index 9a9f372e1be4..56b4f74c0b13 100644 --- a/sound/pci/hda/hda_codec.h +++ b/sound/pci/hda/hda_codec.h @@ -851,6 +851,9 @@ struct hda_codec { unsigned int pin_amp_workaround:1; /* pin out-amp takes index * (e.g. Conexant codecs) ...
d59a1881c0ff63f9edbc7f4ad5a5e593fe779e1b
Analyze and fix the following issue in the Linux kernel code: xircom_cb: fix device probe error path.
Problem Details: - unbalanced pci_disable_device - PCI ressources were not released - mismatching pci_alloc_.../kfree pairs are replaced by DMA alloc helpers. Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Ack-by: Grant Grundler <grundler@parisc-linux.org>
```diff diff --git a/drivers/net/ethernet/dec/tulip/xircom_cb.c b/drivers/net/ethernet/dec/tulip/xircom_cb.c index fdb329fe6e8e..cbcc6d6f3f31 100644 --- a/drivers/net/ethernet/dec/tulip/xircom_cb.c +++ b/drivers/net/ethernet/dec/tulip/xircom_cb.c @@ -192,15 +192,18 @@ static const struct net_device_ops netdev_ops = { ...
5e58deb917bfa8dad71cb2e2b9f9572746ff8e6a
Analyze and fix the following issue in the Linux kernel code: uli526x: fix regions leak in driver probe error path.
Problem Details: Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Ack-by: Grant Grundler <grundler@parisc-linux.org>
```diff diff --git a/drivers/net/ethernet/dec/tulip/uli526x.c b/drivers/net/ethernet/dec/tulip/uli526x.c index fc4001f6a5e4..c9b33961826c 100644 --- a/drivers/net/ethernet/dec/tulip/uli526x.c +++ b/drivers/net/ethernet/dec/tulip/uli526x.c @@ -313,9 +313,9 @@ static int __devinit uli526x_init_one (struct pci_dev *pdev, ...
40606dba450830e50420599c52a86cf6ce5c6a14
Analyze and fix the following issue in the Linux kernel code: regmap: mmio: convert some error returns to BUG()
Problem Details: Some of the error conditions detected by regmap_mmio_*() are pure internal errors, rather than user-/client-triggerable conditions. Convert these to BUG(). Signed-off-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
```diff diff --git a/drivers/base/regmap/regmap-mmio.c b/drivers/base/regmap/regmap-mmio.c index 1a7b5ee11abc..ffa0e850839e 100644 --- a/drivers/base/regmap/regmap-mmio.c +++ b/drivers/base/regmap/regmap-mmio.c @@ -35,8 +35,8 @@ static int regmap_mmio_gather_write(void *context, struct regmap_mmio_context *ctx = cont...
06383f10c49f507220594a455c6491ca6f8c94ab
Analyze and fix the following issue in the Linux kernel code: tcm_fc: Do not free tpg structure during wq allocation failure
Problem Details: Avoid freeing a registered tpg structure if an alloc_workqueue call fails. This fixes a bug where the failure was leaking memory associated with se_portal_group setup during the original core_tpg_register() call. Signed-off-by: Mark Rustad <mark.d.rustad@intel.com> Acked-by: Kiran Patil <Kiran.patil@...
```diff diff --git a/drivers/target/tcm_fc/tfc_conf.c b/drivers/target/tcm_fc/tfc_conf.c index f357039349ba..2948dc944619 100644 --- a/drivers/target/tcm_fc/tfc_conf.c +++ b/drivers/target/tcm_fc/tfc_conf.c @@ -300,6 +300,7 @@ static struct se_portal_group *ft_add_tpg( { struct ft_lport_acl *lacl; struct ft_tpg *t...
c3d8b76f61586714cdc5f219ba45592a54caaa55
Analyze and fix the following issue in the Linux kernel code: serial: PL011: move interrupt clearing
Problem Details: Commit 360f748b204275229f8398cb2f9f53955db1503b "serial: PL011: clear pending interrupts" attempts to clear interrupts by writing to a yet-unassigned memory address. This fixes the issue. The breaking patch is marked for stable so should be carried along with the other patch. Cc: Shreshtha Kumar Sahu...
```diff diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c index 0c65c9e66986..3d569cd68f58 100644 --- a/drivers/tty/serial/amba-pl011.c +++ b/drivers/tty/serial/amba-pl011.c @@ -1946,10 +1946,6 @@ static int pl011_probe(struct amba_device *dev, const struct amba_id *id) goto unmap; } ...
bcf398537630bf20b4dbe59ba855b69f404c93cf
Analyze and fix the following issue in the Linux kernel code: USB: don't clear urb->dev in scatter-gather library
Problem Details: This patch (as1517b) fixes an error in the USB scatter-gather library. The library code uses urb->dev to determine whether or nor an URB is currently active; the completion handler sets urb->dev to NULL. However the core unlinking routines need to use urb->dev. Since unlinking always racing with compl...
```diff diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c index b3bdfede45e6..aed3e07942d4 100644 --- a/drivers/usb/core/message.c +++ b/drivers/usb/core/message.c @@ -308,7 +308,8 @@ static void sg_complete(struct urb *urb) retval = usb_unlink_urb(io->urbs [i]); if (retval != -EINPROGRESS ...
c825bab0cef8b90bab8b63eb5686b8c8eb22e798
Analyze and fix the following issue in the Linux kernel code: usb: storage: fix lockdep warning inside usb_stor_pre_reset(v2)
Problem Details: This patch fixes one lockdep warning[1] inside usb_stor_pre_reset. If the current configuration includes multiple mass storage interfaces, the 'AA' lockdep warning will be triggered since the lock class of 'us->dev_mutex' is acquired two times in .reset path. It isn't a real deadlock, so just take the...
```diff diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c index c18538e4a6db..2653e73db623 100644 --- a/drivers/usb/storage/usb.c +++ b/drivers/usb/storage/usb.c @@ -132,6 +132,35 @@ static struct us_unusual_dev for_dynamic_ids = #undef COMPLIANT_DEV #undef USUAL_DEV +#ifdef CONFIG_LOCKDEP + +stati...
a8edc42a11e1d7b7e158d4026670fd83854dfcc2
Analyze and fix the following issue in the Linux kernel code: usb: Put USB Kconfig items back under USB.
Problem Details: commit 53c6bc24fdc8db87109a5760579cbb060fa644cf (usb: Don't make USB_ARCH_HAS_{XHCI,OHCI,EHCI} depend on USB_SUPPORT.) Removed the dependency of the USB_ARCH_HAS_* symbols on USB_SUPPORT. However the resulting Kconfig somehow caused many of the USB configuration items to appear under the top level de...
```diff diff --git a/drivers/usb/Kconfig b/drivers/usb/Kconfig index cbd8f5f80596..76316a33061b 100644 --- a/drivers/usb/Kconfig +++ b/drivers/usb/Kconfig @@ -2,14 +2,6 @@ # USB device configuration # -menuconfig USB_SUPPORT - bool "USB support" - depends on HAS_IOMEM - default y - ---help--- - This option adds c...
ee01e663373343c63e0e3d364d09f6155378dbcc
Analyze and fix the following issue in the Linux kernel code: cpuidle: Fix panic in CPU off-lining with no idle driver
Problem Details: Fix a NULL pointer dereference panic in cpuidle_play_dead() during CPU off-lining when no cpuidle driver is registered. A cpuidle driver may be registered at boot-time based on CPU type. This patch allows an off-lined CPU to enter HLT-based idle in this condition. Signed-off-by: Toshi Kani <toshi.ka...
```diff diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c index 3e146b2ada4a..a71376a45d8e 100644 --- a/drivers/cpuidle/cpuidle.c +++ b/drivers/cpuidle/cpuidle.c @@ -74,7 +74,7 @@ static cpuidle_enter_t cpuidle_enter_ops; /** * cpuidle_play_dead - cpu off-lining * - * Only returns in case of an er...
0ee46eca0476faf0e93c1387b1597b861b79711f
Analyze and fix the following issue in the Linux kernel code: xen/pciback: fix XEN_PCI_OP_enable_msix result
Problem Details: Prior to 2.6.19 and as of 2.6.31, pci_enable_msix() can return a positive value to indicate the number of vectors (less than the amount requested) that can be set up for a given device. Returning this as an operation value (secondary result) is fine, but (primary) operation results are expected to be n...
```diff diff --git a/drivers/xen/xen-pciback/pciback_ops.c b/drivers/xen/xen-pciback/pciback_ops.c index 63616d7453e6..97f5d264c31e 100644 --- a/drivers/xen/xen-pciback/pciback_ops.c +++ b/drivers/xen/xen-pciback/pciback_ops.c @@ -234,7 +234,7 @@ int xen_pcibk_enable_msix(struct xen_pcibk_device *pdev, if (dev_data) ...
2531d64b6fe2724dc432b67d8dc66bd45621da0b
Analyze and fix the following issue in the Linux kernel code: xen/x86: Workaround 'x86/ioapic: Add register level checks to detect bogus io-apic entries'
Problem Details: The above mentioned patch checks the IOAPIC and if it contains -1, then it unmaps said IOAPIC. But under Xen we get this: BUG: unable to handle kernel NULL pointer dereference at 0000000000000040 IP: [<ffffffff8134e51f>] xen_irq_init+0x1f/0xb0 PGD 0 Oops: 0002 [#1] SMP CPU 0 Modules linked in: Pid: 1...
```diff diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c index 1a309ee2331e..91dc2871e336 100644 --- a/arch/x86/xen/mmu.c +++ b/arch/x86/xen/mmu.c @@ -1859,6 +1859,7 @@ pgd_t * __init xen_setup_kernel_pagetable(pgd_t *pgd, #endif /* CONFIG_X86_64 */ static unsigned char dummy_mapping[PAGE_SIZE] __page_aligned_b...
8abe05c6eb358967f16bce8a02c88d57c82cfbd6
Analyze and fix the following issue in the Linux kernel code: ASoC: tegra: fix i2s compilation when !CONFIG_DEBUG_FS
Problem Details: Commit d4a2eca "ASoC: Tegra I2S: Remove dependency on pdev->id" changed the prototype of tegra_i2s_debug_add, but didn't update the dummy inline used when !CONFIG_DEBUG_FS. Fix that. Signed-off-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Cc: ...
```diff diff --git a/sound/soc/tegra/tegra_i2s.c b/sound/soc/tegra/tegra_i2s.c index 2d98c925c0aa..e53349912b2e 100644 --- a/sound/soc/tegra/tegra_i2s.c +++ b/sound/soc/tegra/tegra_i2s.c @@ -116,7 +116,7 @@ static void tegra_i2s_debug_remove(struct tegra_i2s *i2s) debugfs_remove(i2s->debug); } #else -static inline...
6f103929f8979d2638e58d7f7fda0beefcb8ee7e
Analyze and fix the following issue in the Linux kernel code: nohz: Fix stale jiffies update in tick_nohz_restart()
Problem Details: Fix tick_nohz_restart() to not use a stale ktime_t "now" value when calling tick_do_update_jiffies64(now). If we reach this point in the loop it means that we crossed a tick boundary since we grabbed the "now" timestamp, so at this point "now" refers to a time in the old jiffy, so using the old value ...
```diff diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c index 3526038f2836..6a3a5b9ff561 100644 --- a/kernel/time/tick-sched.c +++ b/kernel/time/tick-sched.c @@ -534,9 +534,9 @@ static void tick_nohz_restart(struct tick_sched *ts, ktime_t now) hrtimer_get_expires(&ts->sched_timer), 0)) break;...
46ed99d1b7c92920ce9e313152522847647aae4f
Analyze and fix the following issue in the Linux kernel code: x86: vsyscall: Use NULL instead 0 for a pointer argument
Problem Details: This patch silences the following sparse warning: arch/x86/kernel/vsyscall_64.c:250:34: warning: Using plain integer as NULL pointer Signed-off-by: Emil Goode <emilgoode@gmail.com> Acked-by: Andy Lutomirski <luto@amacapital.net> Cc: john.stultz@linaro.org Link: http://lkml.kernel.org/r/13333060...
```diff diff --git a/arch/x86/kernel/vsyscall_64.c b/arch/x86/kernel/vsyscall_64.c index f386dc49f988..7515cf0e1805 100644 --- a/arch/x86/kernel/vsyscall_64.c +++ b/arch/x86/kernel/vsyscall_64.c @@ -216,9 +216,9 @@ bool emulate_vsyscall(struct pt_regs *regs, unsigned long address) current_thread_info()->sig_on_uacces...
110c43304db6f06490961529536c362d9ac5732f
Analyze and fix the following issue in the Linux kernel code: net: fix a race in sock_queue_err_skb()
Problem Details: As soon as an skb is queued into socket error queue, another thread can consume it, so we are not allowed to reference skb anymore, or risk use after free. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/net/core/skbuff.c b/net/core/skbuff.c index f223cdc75da6..baf8d281152c 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -3161,6 +3161,8 @@ static void sock_rmem_free(struct sk_buff *skb) */ int sock_queue_err_skb(struct sock *sk, struct sk_buff *skb) { + int len = skb->len; + if (ato...
4a7e7c2ad540e54c75489a70137bf0ec15d3a127
Analyze and fix the following issue in the Linux kernel code: netlink: fix races after skb queueing
Problem Details: As soon as an skb is queued into socket receive_queue, another thread can consume it, so we are not allowed to reference skb anymore, or risk use after free. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index 32bb75324e76..faa48f70b7c9 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -829,12 +829,19 @@ int netlink_attachskb(struct sock *sk, struct sk_buff *skb, return 0; } -int netlink_sendskb(struct sock *sk, struct s...