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4ef2a435bea24330781cbfe910a05810f17079d2
Analyze and fix the following issue in the Linux kernel code: net/mlx4: fix sparse warnings on TX control flags, endianess
Problem Details: Fix sparse warnings on incompatibility between the endianess of the ctrl_flags field of struct mlx4_en_priv to the srcrb_flags field of struct mlx4_wqe_ctrl_seg by changing the former to be __be32 instead of u32. Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: David S. Miller <davem@d...
```diff diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h index a5bb0b7d339a..8f4e655bd57b 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h @@ -453,7 +453,7 @@ struct mlx4_en_priv { int base_qpn; str...
ebf8c9aa032f03343b91c91951b0705021b02eb0
Analyze and fix the following issue in the Linux kernel code: net/mlx4_en: Saving mem access on data path
Problem Details: Localized the pdev->dev, and using dma_map instead of pci_map There are multiple map/unmap operations on data path, optimizing those by saving redundant pointer access. Those places were identified as hot-spots when running kernel profiling during some benchmarks. The fixes had most impact when testing...
```diff diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index 9fe4f94c6da7..31b455a49273 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -1062,6 +1062,7 @@ int mlx4_en_init_netdev(struct mlx4...
eb9bc6e9a0ac668d2283b8fea1534f8ba31d1692
Analyze and fix the following issue in the Linux kernel code: NFC: NCI code identation fixes
Problem Details: Signed-off-by: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/include/net/nfc/nci_core.h b/include/net/nfc/nci_core.h index 86fee8b5c65c..feba74027ff8 100644 --- a/include/net/nfc/nci_core.h +++ b/include/net/nfc/nci_core.h @@ -141,17 +141,17 @@ struct nci_dev { /* ----- NCI Devices ----- */ struct nci_dev *nci_allocate_device(struct nci_ops *ops, - __...
0a40acb24602783fcf6881f915659148aa9807d7
Analyze and fix the following issue in the Linux kernel code: NFC: Core code identation fixes
Problem Details: Signed-off-by: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/include/net/nfc/nfc.h b/include/net/nfc/nfc.h index d608e4eac66f..bac070bf3514 100644 --- a/include/net/nfc/nfc.h +++ b/include/net/nfc/nfc.h @@ -57,11 +57,11 @@ struct nfc_ops { u8 *gb, size_t gb_len); int (*dep_link_down)(struct nfc_dev *dev); int (*activate_target)(struct nfc_dev *dev...
427a2eb1f568c9c5934a36105232c94553db9b69
Analyze and fix the following issue in the Linux kernel code: NFC: LLCP code identation fixes
Problem Details: Signed-off-by: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/net/nfc/llcp/commands.c b/net/nfc/llcp/commands.c index 7c74b82f2161..7b76eb7192f3 100644 --- a/net/nfc/llcp/commands.c +++ b/net/nfc/llcp/commands.c @@ -118,7 +118,7 @@ u8 *nfc_llcp_build_tlv(u8 type, u8 *value, u8 value_length, u8 *tlv_length) } int nfc_llcp_parse_tlv(struct nfc_llcp_local *l...
40c75f81d6852bb4fd08491074889187f77b8d1f
Analyze and fix the following issue in the Linux kernel code: NFC: Fix LLCP sockets releasing path
Problem Details: The socket local pointer needs to be set to NULL when the adapter is removed or the MAC goes down. If the socket release code is called after such an event, the socket reference count still needs to be decreased in order for the socket to eventually be freed. Signed-off-by: Samuel Ortiz <sameo@linux.i...
```diff diff --git a/net/nfc/llcp/llcp.c b/net/nfc/llcp/llcp.c index 3ce646e35f6b..8af896dc759e 100644 --- a/net/nfc/llcp/llcp.c +++ b/net/nfc/llcp/llcp.c @@ -47,7 +47,7 @@ static void nfc_llcp_socket_release(struct nfc_llcp_local *local) /* Release all child sockets */ list_for_each_entry_safe(s, n, &parent->l...
1762c17c9c38ed21090bee8cd02e2b470c5c2308
Analyze and fix the following issue in the Linux kernel code: NFC: Fix bitops usage in LLCP
Problem Details: Signed-off-by: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/net/nfc/llcp/llcp.c b/net/nfc/llcp/llcp.c index bbfaa2750ea8..443407e964ca 100644 --- a/net/nfc/llcp/llcp.c +++ b/net/nfc/llcp/llcp.c @@ -176,7 +176,7 @@ u8 nfc_llcp_get_sdp_ssap(struct nfc_llcp_local *local, return LLCP_SAP_MAX; } - set_bit(BIT(ssap), &local->local_wks); + set_bit(s...
5c17ddc4a047c59638c7eb8537aa887a1ddb9b0b
Analyze and fix the following issue in the Linux kernel code: ath5k: do not re-run AGC calibration periodically
Problem Details: All other Atheros drivers run the AGC gain calibration and DC offset calibration only after reset. Running them periodically has caused stability issues on some (primarily AR2315/2413/5413/5414 based) devices, leading to messages such as: ath5k phy0: gain calibration timeout (2462MHz) ath5k phy0: cali...
```diff diff --git a/drivers/net/wireless/ath/ath5k/phy.c b/drivers/net/wireless/ath/ath5k/phy.c index e1f8613426a9..3a2845489a1b 100644 --- a/drivers/net/wireless/ath/ath5k/phy.c +++ b/drivers/net/wireless/ath/ath5k/phy.c @@ -1871,31 +1871,15 @@ ath5k_hw_phy_calibrate(struct ath5k_hw *ah, ret = 0; } - /* On ful...
6b62bf326393deede630731a933713de9d574128
Analyze and fix the following issue in the Linux kernel code: mac80211: fix mesh airtime link metric estimating
Problem Details: Airtime link metric estimation was broken in HT mesh, use cfg80211_calculate_bitrate to get the right rate value. Also factor out tx rate copying from sta_set_sinfo(). Signed-off-by: Thomas Pedersen <thomas@cozybit.com> Reviewed-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Lin...
```diff diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index ab31cc56a2fb..677d65929780 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -336,6 +336,20 @@ static void rate_idx_to_bitrate(struct rate_info *rate, struct sta_info *sta, in rate->mcs = idx; } +void sta_set_rate_info_tx(struct sta_info...
ab0bd5b32a9c7ea2e7cc69d56c82a96be340c269
Analyze and fix the following issue in the Linux kernel code: iwlwifi: fix station HT parameters
Problem Details: My patch "iwlwifi: simplify auth/assoc flow" caused a serious throughput degradation due to me forgetting that there are HT settings in the station table. To restore throughput, set these parameters correctly when the sta moves to assoc state. This patch should probably be merged with the auth/assoc r...
```diff diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-sta.c b/drivers/net/wireless/iwlwifi/iwl-agn-sta.c index 736f8dc404df..ca080265a829 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-sta.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-sta.c @@ -169,34 +169,38 @@ int iwl_send_add_sta(struct iwl_priv *priv, retur...
a8bceb392a739321ec20d03a91a86ebdde9c07bb
Analyze and fix the following issue in the Linux kernel code: iwlwifi: remove per-device debug level
Problem Details: There's no need for the per-device debug level that we expose in debugfs since the module parameter is writable in sysfs. At the same time, simplify code by changing iwl_get_debug_level(shrd) & IWL_DL_ISR) to iwl_have_debug_level(IWL_DL_ISR) Signed-off-by: Johannes Berg <johannes.berg@intel.c...
```diff diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c index 8551c95e7437..8d25fd6be645 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.c +++ b/drivers/net/wireless/iwlwifi/iwl-core.c @@ -836,7 +836,7 @@ static void iwlagn_fw_error(struct iwl_priv *priv, bool ondemand)...
e9a8e8ec1e487536568adc4b3efa8f56e4391a7b
Analyze and fix the following issue in the Linux kernel code: airo: fix test for FLAG_RADIO_DOWN
Problem Details: We should be doing a shift (1 << FLAG_RADIO_DOWN) here before testing the flag. As luck would have it, this test works almost correctly. The current code tests for FLAG_RADIO_OFF instead of FLAG_RADIO_DOWN. #define FLAG_RADIO_OFF 0 /* User disabling of MAC */ #define FLAG_RADIO_DOWN 1 /*...
```diff diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c index 1c008c61b95c..ddc061dd150c 100644 --- a/drivers/net/wireless/airo.c +++ b/drivers/net/wireless/airo.c @@ -1869,7 +1869,7 @@ static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock) static void try_auto_wep(struc...
a9b89e2567c743483e6354f64d7a7e3a8c101e9e
Analyze and fix the following issue in the Linux kernel code: rtlwifi: rtl8192ce: Fix loss of receive performance
Problem Details: Driver rtl8192ce when used with the RTL8188CE device would start at about 20 Mbps on a 54 Mbps connection, but quickly drop to 1 Mbps. One of the symptoms is that the AP would need to retransmit each packet 4 of 5 times before the driver would acknowledge it. Recovery is possible only by unloading and ...
```diff diff --git a/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c b/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c index 8646ff2a55ce..d8d73dbb5780 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c +++ b/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c @@ -520,6 +520,10 @@ void rtl92c_dm_write_dig...
c25cd1543986e7c16c7ddf738748ccd530a18268
Analyze and fix the following issue in the Linux kernel code: ASoC: tegra: Remove unused variable
Problem Details: Fixes the following warning: sound/soc/tegra/tegra_alc5632.c: In function 'tegra_alc5632_asoc_init': sound/soc/tegra/tegra_alc5632.c:118:6: warning: unused variable 'ret' [-Wunused-variable] Signed-off-by: Stephen Warren <swarren@wwwdotorg.org> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmic...
```diff diff --git a/sound/soc/tegra/tegra_alc5632.c b/sound/soc/tegra/tegra_alc5632.c index 2a27725cc9b1..e45ccd851f6a 100644 --- a/sound/soc/tegra/tegra_alc5632.c +++ b/sound/soc/tegra/tegra_alc5632.c @@ -115,7 +115,6 @@ static int tegra_alc5632_asoc_init(struct snd_soc_pcm_runtime *rtd) struct snd_soc_dapm_context...
1f3b372b3c1018fad960015cbfdf8de9251d14db
Analyze and fix the following issue in the Linux kernel code: ARM: OMAP2+: PM: fix section mismatch with omap2_init_processor_devices()
Problem Details: Fix the below warning by making omap2_init_processor_devices() __init. It is called by an __init function and calls only __init functions, so it should also be init. WARNING: arch/arm/mach-omap2/built-in.o(.text+0x183c): Section mismatch in reference from the function omap2_init_processor_devices() to...
```diff diff --git a/arch/arm/mach-omap2/pm.c b/arch/arm/mach-omap2/pm.c index 1881fe915149..d00c39eefb1e 100644 --- a/arch/arm/mach-omap2/pm.c +++ b/arch/arm/mach-omap2/pm.c @@ -49,7 +49,7 @@ static int _init_omap_device(char *name) /* * Build omap_devices for processors and bus. */ -static void omap2_init_proces...
49b87c6db100cf9802be22a1b83a72cbcadaa76c
Analyze and fix the following issue in the Linux kernel code: ARM: OMAP2: Fix section warning for n8x0 when CONFIG_MMC_OMAP is not set
Problem Details: Otherwise we get: arch/arm/mach-omap2/board-n8x0.c:39:12: warning: 'slot1_cover_open' defined but not used [-Wunused-variable] arch/arm/mach-omap2/board-n8x0.c:40:12: warning: 'slot2_cover_open' defined but not used [-Wunused-variable] arch/arm/mach-omap2/board-n8x0.c:41:23: warning: 'mmc_device' defi...
```diff diff --git a/arch/arm/mach-omap2/board-n8x0.c b/arch/arm/mach-omap2/board-n8x0.c index 42a4d11fad23..6bb67461a11c 100644 --- a/arch/arm/mach-omap2/board-n8x0.c +++ b/arch/arm/mach-omap2/board-n8x0.c @@ -36,10 +36,6 @@ #include "mux.h" -static int slot1_cover_open; -static int slot2_cover_open; -static stru...
e48f814e6366d36a0495f6aa2838a064304f6406
Analyze and fix the following issue in the Linux kernel code: ARM: OMAP2+: Fix omap24xx_io_desc warning if SoC subtypes are not selected
Problem Details: Otherwise we get the following warning: arch/arm/mach-omap2/io.c:53:24: warning: 'omap24xx_io_desc' defined but not used [-Wunused-variable] Reported-by: Russell King <linux@arm.linux.org.uk> Signed-off-by: Tony Lindgren <tony@atomide.com>
```diff diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c index 9bd07f33eea7..3fbb0c0b84a4 100644 --- a/arch/arm/mach-omap2/io.c +++ b/arch/arm/mach-omap2/io.c @@ -49,7 +49,7 @@ * default mapping provided here. */ -#ifdef CONFIG_ARCH_OMAP2 +#if defined(CONFIG_SOC_OMAP2420) || defined(CONFIG_SOC_OMA...
1d4526e037ad9788b5d164862d629fa7c4c5f27b
Analyze and fix the following issue in the Linux kernel code: mlx4_core: remove buggy sched_queue masking
Problem Details: Fixes a bug introduced by commit fe9a2603c, where the priority bits in the schedule queue field were masked out. Signed-off-by: Amir Vadai <amirv@mellanox.co.il> Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/drivers/net/ethernet/mellanox/mlx4/qp.c b/drivers/net/ethernet/mellanox/mlx4/qp.c index 738f950a1ce5..fb2b36759cbf 100644 --- a/drivers/net/ethernet/mellanox/mlx4/qp.c +++ b/drivers/net/ethernet/mellanox/mlx4/qp.c @@ -151,11 +151,6 @@ static int __mlx4_qp_modify(struct mlx4_dev *dev, struct mlx4_mt...
741385119706d4370eb7899c5ca96ad125c520e5
Analyze and fix the following issue in the Linux kernel code: netfilter: nf_conntrack: fix early_drop with reliable event delivery
Problem Details: If reliable event delivery is enabled and ctnetlink fails to deliver the destroy event in early_drop, the conntrack subsystem cannot drop any the candidate flow that was planned to be evicted. Reported-by: Kerin Millar <kerframil@gmail.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed...
```diff diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c index ed86a3be678e..fa4b82c8ae80 100644 --- a/net/netfilter/nf_conntrack_core.c +++ b/net/netfilter/nf_conntrack_core.c @@ -635,8 +635,12 @@ static noinline int early_drop(struct net *net, unsigned int hash) if (del_timer(&ct...
739e4505a0e8209622dc71743bfa1c804eacf7f4
Analyze and fix the following issue in the Linux kernel code: bridge: netfilter: don't call iptables on vlan packets if sysctl is off
Problem Details: When net.bridge.bridge-nf-filter-vlan-tagged is 0 (default), vlan packets arriving should not be sent to ip(6)tables by bridge netfilter. However, it turns out that we currently always send VLAN packets to netfilter, if .. a), CONFIG_VLAN_8021Q is enabled ; or b), CONFIG_VLAN_8021Q is not set but rx v...
```diff diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c index 84122472656c..dec4f3817133 100644 --- a/net/bridge/br_netfilter.c +++ b/net/bridge/br_netfilter.c @@ -62,6 +62,15 @@ static int brnf_filter_pppoe_tagged __read_mostly = 0; #define brnf_filter_pppoe_tagged 0 #endif +#define IS_IP(skb) \...
a157b9d5b5b626e46eba2ac4e342da8db25cabc4
Analyze and fix the following issue in the Linux kernel code: netfilter: bridge: fix wrong pointer dereference
Problem Details: In adf7ff8, a invalid dereference was added in ebt_make_names. CC [M] net/bridge/netfilter/ebtables.o net/bridge/netfilter/ebtables.c: In function `ebt_make_names': net/bridge/netfilter/ebtables.c:1371:20: warning: `t' may be used uninitialized in this function [-Wuninitialized] Signed-off-by: Pablo...
```diff diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c index 15e9575f7207..5fe2ff3b01ef 100644 --- a/net/bridge/netfilter/ebtables.c +++ b/net/bridge/netfilter/ebtables.c @@ -1368,7 +1368,6 @@ ebt_make_names(struct ebt_entry *e, const char *base, char __user *ubase) if (e->bitmask == 0...
848edc69192a38bf9d261032f248b14f47e6af8b
Analyze and fix the following issue in the Linux kernel code: netfilter: ebtables: fix wrong name length while copying to user-space
Problem Details: user-space ebtables expects 32 bytes-long names, but xt_match names use 29 bytes. We have to copy less 29 bytes and then, make sure we fill the remaining bytes with zeroes. Signed-off-by: Santosh Nayak <santoshprasadnayak@gmail.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by:...
```diff diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c index 8aa4ad0e06af..15e9575f7207 100644 --- a/net/bridge/netfilter/ebtables.c +++ b/net/bridge/netfilter/ebtables.c @@ -1335,7 +1335,12 @@ static inline int ebt_make_matchname(const struct ebt_entry_match *m, const char *base, c...
4648dc97af9d496218a05353b0e442b3dfa6aaab
Analyze and fix the following issue in the Linux kernel code: tcp: fix tcp_shift_skb_data() to not shift SACKed data below snd_una
Problem Details: This commit fixes tcp_shift_skb_data() so that it does not shift SACKed data below snd_una. This fixes an issue whose symptoms exactly match reports showing tp->sacked_out going negative since 3.3.0-rc4 (see "WARNING: at net/ipv4/tcp_input.c:3418" thread on netdev). Since 2008 (832d11c5cd076abc0aa1ea...
```diff diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index d9b83d198c3d..b5e315f13641 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -1585,6 +1585,10 @@ static struct sk_buff *tcp_shift_skb_data(struct sock *sk, struct sk_buff *skb, } } + /* tcp_sacktag_one() won't SACK-tag ranges be...
2c61c8a787fc3382edefd8c7ad3e0f74c81e5302
Analyze and fix the following issue in the Linux kernel code: sfc: Fix calculation of vf_i in map_vi_index()
Problem Details: This was broken during refactoring to use efx_vf_size(). [bwh: Keep using efx_vf_size()] Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
```diff diff --git a/drivers/net/ethernet/sfc/siena_sriov.c b/drivers/net/ethernet/sfc/siena_sriov.c index 80976e84eee6..9cb3b84ecae9 100644 --- a/drivers/net/ethernet/sfc/siena_sriov.c +++ b/drivers/net/ethernet/sfc/siena_sriov.c @@ -514,7 +514,7 @@ static bool map_vi_index(struct efx_nic *efx, unsigned abs_index, ...
2f5f89be6f2216f93d44f2609b182df932a929b4
Analyze and fix the following issue in the Linux kernel code: mfd: Fix pm8606 build failure
Problem Details: Reported by Andrew Morton <akpm@linux-foundation.org>, with i386 allmodconfig: ERROR: "pm8606_osc_disable" [drivers/video/backlight/88pm860x_bl.ko] undefined! ERROR: "pm8606_osc_enable" [drivers/video/backlight/88pm860x_bl.ko] undefined! ERROR: "pm8606_osc_disable" [drivers/leds/leds-88pm860x.ko] unde...
```diff diff --git a/drivers/mfd/88pm860x-core.c b/drivers/mfd/88pm860x-core.c index 6ed8de71c983..87bd5ba38d5b 100644 --- a/drivers/mfd/88pm860x-core.c +++ b/drivers/mfd/88pm860x-core.c @@ -542,6 +542,7 @@ out: mutex_unlock(&chip->osc_lock); return ret; } +EXPORT_SYMBOL(pm8606_osc_enable); int pm8606_osc_disab...
5a924d13ecdd433fd2c7eb268b72a2770ef2204a
Analyze and fix the following issue in the Linux kernel code: mfd: Fix a typo in MFD_MAX8997 Kconfig entry
Problem Details: Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
```diff diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index 16178e1d2ab4..82da44877cdc 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -415,7 +415,7 @@ config MFD_MAX8997 depends on I2C=y && GENERIC_HARDIRQS select MFD_CORE help - Say yes here to support for Maxim Semiconductor MAX8998/89...
fe2afaa5412126f7a41aec811228a1f439d232a0
Analyze and fix the following issue in the Linux kernel code: mfd: Fix wm831x-spi table id name typo in MODULE_DEVICE_TABLE macro
Problem Details: Signed-off-by: Hai Dong <hai.dong@polycom.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
```diff diff --git a/drivers/mfd/wm831x-spi.c b/drivers/mfd/wm831x-spi.c index 62ef3254105f..8ef7d4f5eeb5 100644 --- a/drivers/mfd/wm831x-spi.c +++ b/drivers/mfd/wm831x-spi.c @@ -89,7 +89,7 @@ static const struct spi_device_id wm831x_spi_ids[] = { { "wm8326", WM8326 }, { }, }; -MODULE_DEVICE_TABLE(spi, wm831x_spi_...
b8b8d7932bb83300d0ae6553e320ab1aecb37990
Analyze and fix the following issue in the Linux kernel code: mfd: Make twl6030_irq_set_wake static
Problem Details: twl6030_irq_set_wake is not used anywhere else in the kernel except as irq_chip.irq_set_wake. No reason for it to be exported. Also fixes build warning: drivers/mfd/twl6030-irq.c:230:5: warning: symbol 'twl6030_irq_set_wake' was not declared. Should it be static? Signed-off-by: Nishanth Menon <nm@ti....
```diff diff --git a/drivers/mfd/twl6030-irq.c b/drivers/mfd/twl6030-irq.c index aa367a2c846c..3c2cc0082f57 100644 --- a/drivers/mfd/twl6030-irq.c +++ b/drivers/mfd/twl6030-irq.c @@ -236,7 +236,7 @@ static inline void activate_irq(int irq) #endif } -int twl6030_irq_set_wake(struct irq_data *d, unsigned int on) +sta...
855cc454341c6ca1212bf86939f2f2a51ab54e18
Analyze and fix the following issue in the Linux kernel code: mfd: Fix ACPI conflict check
Problem Details: The code is currently always checking the first resource of every device only (several times.) This has been broken since the ACPI check was added in February 2010 in commit 91fedede0338eb6203cdd618d8ece873fdb7c22c. Fix the check to run on each resource individually, once. Signed-off-by: Jean Delvare...
```diff diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c index 9fc05b9b0bab..ffc3d48676ae 100644 --- a/drivers/mfd/mfd-core.c +++ b/drivers/mfd/mfd-core.c @@ -123,7 +123,7 @@ static int mfd_add_device(struct device *parent, int id, } if (!cell->ignore_resource_conflicts) { - ret = acpi_check_resou...
ee42b3aa3791263a6cca36856b306cd1ae897ebf
Analyze and fix the following issue in the Linux kernel code: mfd: wm8994: Add __devinit and __devexit annotations for probe and remove
Problem Details: Fixes warnings and needed for correctness. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
```diff diff --git a/drivers/mfd/wm8994-core.c b/drivers/mfd/wm8994-core.c index ecc3a42160f9..46d867140af8 100644 --- a/drivers/mfd/wm8994-core.c +++ b/drivers/mfd/wm8994-core.c @@ -613,8 +613,8 @@ static const struct of_device_id wm8994_of_match[] = { }; MODULE_DEVICE_TABLE(of, wm8994_of_match); -static int wm899...
f0447a690e2cfe005a605253cf6bdfa9b9fd5d6e
Analyze and fix the following issue in the Linux kernel code: mfd: Move omap-usb-host usbhs init before allocing child dev
Problem Details: There could be possible race condition where the host dev's are alloced and added to platform dev just before usbhs_init. Just move usbhs_init before adding child dev. CC: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Govindraj.R <govindraj.raja@ti.com> Acked-by: Felipe Balbi <balbi@ti.com> Si...
```diff diff --git a/drivers/mfd/omap-usb-host.c b/drivers/mfd/omap-usb-host.c index 680041189c41..95a2e546a489 100644 --- a/drivers/mfd/omap-usb-host.c +++ b/drivers/mfd/omap-usb-host.c @@ -799,14 +799,13 @@ static int __devinit usbhs_omap_probe(struct platform_device *pdev) platform_set_drvdata(pdev, omap); + o...
231dd9c8994430d4aaa75cdee95af13c154f489f
Analyze and fix the following issue in the Linux kernel code: mfd: Fix typo for TPS65912
Problem Details: Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
```diff diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index c559d352c420..d92bea2c468f 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -186,7 +186,7 @@ config MFD_TPS65912 depends on GPIOLIB config MFD_TPS65912_I2C - bool "TPS95612 Power Management chip with I2C" + bool "TPS65912 Power Manag...
113351b52b296afa91d829e880037ef91f0e96f5
Analyze and fix the following issue in the Linux kernel code: mfd: Fix val_len parameters for s5m-core regmap_raw_write
Problem Details: The val_len parameters for regmap_raw_write should be "count * sizeof(u8)" (or simply "count") instead of "count * sizeof(u16)". Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
```diff diff --git a/drivers/mfd/s5m-core.c b/drivers/mfd/s5m-core.c index 8b8cf85256c1..578e12e7f679 100644 --- a/drivers/mfd/s5m-core.c +++ b/drivers/mfd/s5m-core.c @@ -74,7 +74,7 @@ EXPORT_SYMBOL_GPL(s5m_reg_write); int s5m_bulk_write(struct s5m87xx_dev *s5m87xx, u8 reg, int count, u8 *buf) { - return regmap_raw...
d1b5c5e2351c5d30327f77226daab21ce9ef427f
Analyze and fix the following issue in the Linux kernel code: mfd: Fix kcalloc parameters swapped
Problem Details: The first parameter should be "number of elements" and the second parameter should be "element size". Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
```diff diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c index 0f5922812bff..9fc05b9b0bab 100644 --- a/drivers/mfd/mfd-core.c +++ b/drivers/mfd/mfd-core.c @@ -162,7 +162,7 @@ int mfd_add_devices(struct device *parent, int id, atomic_t *cnts; /* initialize reference counting for all cells */ - cnts = k...
6d95b7fdd0bd2e28ef651da6863d75edca4c2aca
Analyze and fix the following issue in the Linux kernel code: mfd: Fix ab8500 error path bug
Problem Details: We were not freeing the irq properly in the error path in the AB8500 driver. Cc: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Maxime Coquelin <maxime.coquelin@stericsson.com> Signed-off-by: Alex Macro <alex.macro@stericsson.com> Signed-off-by: Michel Jaouen <michel.jaouen@stericsson...
```diff diff --git a/drivers/mfd/ab8500-core.c b/drivers/mfd/ab8500-core.c index 53e2a80f42fa..d295941c9a3d 100644 --- a/drivers/mfd/ab8500-core.c +++ b/drivers/mfd/ab8500-core.c @@ -956,11 +956,12 @@ int __devinit ab8500_init(struct ab8500 *ab8500) return ret; out_freeirq: - if (ab8500->irq_base) { + if (ab8500->...
cbcde05ec2c2b428a0fca1e01e944a24f89c5654
Analyze and fix the following issue in the Linux kernel code: mfd: Trivial twl4030 code-style fixes
Problem Details: Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
```diff diff --git a/drivers/mfd/twl4030-irq.c b/drivers/mfd/twl4030-irq.c index b69bb517b102..b31f920feb51 100644 --- a/drivers/mfd/twl4030-irq.c +++ b/drivers/mfd/twl4030-irq.c @@ -59,7 +59,6 @@ #define REG_PIH_ISR_P2 0x02 #define REG_PIH_SIR 0x03 /* for testing */ - /* Linux could (eventually) use either IR...
c7a1fcf3b1660dbccdc2faf9e506e0264b17c4ce
Analyze and fix the following issue in the Linux kernel code: mfd: Fix s5m error handling for invalid device type
Problem Details: If device type is not supported in driver, have to retun error. Signed-off-by: Jonghwan Choi <jhbird.choi@samsung.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
```diff diff --git a/drivers/mfd/s5m-irq.c b/drivers/mfd/s5m-irq.c index de76dfb6f0ad..0236676085cf 100644 --- a/drivers/mfd/s5m-irq.c +++ b/drivers/mfd/s5m-irq.c @@ -342,7 +342,10 @@ int s5m_irq_resume(struct s5m87xx_dev *s5m87xx) s5m8767_irq_thread(s5m87xx->irq_base, s5m87xx); break; default: - break; + ...
c3ebb30aaeb2a30d69b9db564d93bf3486139c12
Analyze and fix the following issue in the Linux kernel code: mfd: Fix possible s5m null pointer dereference
Problem Details: This patch checks for pdata to using it. Signed-off-by: Jonghwan Choi <jhbird.choi@samsung.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
```diff diff --git a/drivers/mfd/s5m-core.c b/drivers/mfd/s5m-core.c index e075c113eec6..caadabeed8e9 100644 --- a/drivers/mfd/s5m-core.c +++ b/drivers/mfd/s5m-core.c @@ -105,7 +105,7 @@ static int s5m87xx_i2c_probe(struct i2c_client *i2c, s5m87xx->rtc = i2c_new_dummy(i2c->adapter, RTC_I2C_ADDR); i2c_set_clientdata...
d2d5cb47e3e7e0f68d33d18ca15e4ac65ca5645b
Analyze and fix the following issue in the Linux kernel code: mfd: wm8350 variable dereferenced before check
Problem Details: Remove "wm8350->irq_base = pdata->irq_base" to avoid null pointer exception and wm8350->irq_base got from irq_alloc_descs(). Signed-off-by: Jonghwan Choi <jhbird.choi@samsung.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
```diff diff --git a/drivers/mfd/wm8350-irq.c b/drivers/mfd/wm8350-irq.c index 8a1fafd0bf7d..9fd01bf63c51 100644 --- a/drivers/mfd/wm8350-irq.c +++ b/drivers/mfd/wm8350-irq.c @@ -496,7 +496,6 @@ int wm8350_irq_init(struct wm8350 *wm8350, int irq, mutex_init(&wm8350->irq_lock); wm8350->chip_irq = irq; - wm8350->ir...
6f53d10dda1323c17fb09063c4df2c22754bf8aa
Analyze and fix the following issue in the Linux kernel code: mfd: Remove check for db8500 firmware bug
Problem Details: In prcmu firmware version 3.4.4 the issue with longer intervalls than 131 s was fixed, we don't expect the issue to creep back up. Signed-off-by: Jonas Aaberg <jonas.aberg@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
```diff diff --git a/drivers/mfd/db8500-prcmu.c b/drivers/mfd/db8500-prcmu.c index 8056968da20f..0ee801582d82 100644 --- a/drivers/mfd/db8500-prcmu.c +++ b/drivers/mfd/db8500-prcmu.c @@ -2184,16 +2184,8 @@ int db8500_prcmu_kick_a9wdog(u8 id) /* * timeout is 28 bit, in ms. */ -#define MAX_WATCHDOG_TIMEOUT 131000 i...
0508901ca794d411efb09befb88b8194d8387428
Analyze and fix the following issue in the Linux kernel code: mfd: Update abstract dbx500 interface
Problem Details: This prefixes a number of accessor functions with db8500_* since they are DB8500-specific and we need to move to this naming scheme. We also replace numerous instances of machine_is() with cpu_is() which covers the right type of ASICs rather than entire machines i.e. boards. Signed-off-by: Mattias Ni...
```diff diff --git a/drivers/mfd/db8500-prcmu.c b/drivers/mfd/db8500-prcmu.c index 12519935da62..5179abf94729 100644 --- a/drivers/mfd/db8500-prcmu.c +++ b/drivers/mfd/db8500-prcmu.c @@ -884,23 +884,23 @@ int db8500_prcmu_get_arm_opp(void) } /** - * prcmu_get_ddr_opp - get the current DDR OPP + * db8500_prcmu_get_d...
e536b62095301271d974983044a011c29fcb2ea2
Analyze and fix the following issue in the Linux kernel code: mfd: Fix section mismatch warning for da9052-spi
Problem Details: Add __devinit annotation for da9052_spi_probe to fix below build warning: WARNING: drivers/built-in.o(.text+0x349b4): Section mismatch in reference from the function da9052_spi_probe() to the function .devinit.text:da9052_device_init() The function da9052_spi_probe() references the function __devinit ...
```diff diff --git a/drivers/mfd/da9052-spi.c b/drivers/mfd/da9052-spi.c index 76bb9ea0816e..6faf149e8d94 100644 --- a/drivers/mfd/da9052-spi.c +++ b/drivers/mfd/da9052-spi.c @@ -21,7 +21,7 @@ #include <linux/mfd/da9052/da9052.h> -static int da9052_spi_probe(struct spi_device *spi) +static int __devinit da9052_spi...
5756b76e4db643d8f75174a9a50038523d4b9e32
Analyze and fix the following issue in the Linux kernel code: vsprintf: make %pV handling compatible with kasprintf()
Problem Details: kasprintf() (and potentially other functions that I didn't run across so far) want to evaluate argument lists twice. Caring to do so for the primary list is obviously their job, but they can't reasonably be expected to check the format string for instances of %pV, which however need special handling t...
```diff diff --git a/lib/vsprintf.c b/lib/vsprintf.c index 8e75003d62f6..38e612e66da5 100644 --- a/lib/vsprintf.c +++ b/lib/vsprintf.c @@ -891,9 +891,15 @@ char *pointer(const char *fmt, char *buf, char *end, void *ptr, case 'U': return uuid_string(buf, end, ptr, spec, fmt); case 'V': - return buf + vsnprintf(b...
c09ff089aa62380ad904ea785bd713c56720270e
Analyze and fix the following issue in the Linux kernel code: page_cgroup: fix horrid swap accounting regression
Problem Details: Why is memcg's swap accounting so broken? Insane counts, wrong ownership, unfreeable structures, which later get freed and then accessed after free. Turns out to be a tiny a little 3.3-rc1 regression in 9fb4b7cc0724 "page_cgroup: add helper function to get swap_cgroup": the helper function (actually n...
```diff diff --git a/mm/page_cgroup.c b/mm/page_cgroup.c index de1616aa9b1e..1ccbd714059c 100644 --- a/mm/page_cgroup.c +++ b/mm/page_cgroup.c @@ -379,13 +379,15 @@ static struct swap_cgroup *lookup_swap_cgroup(swp_entry_t ent, pgoff_t offset = swp_offset(ent); struct swap_cgroup_ctrl *ctrl; struct page *mappage;...
068a4633bf42501db3ec934beff07cd50c1b7e9d
Analyze and fix the following issue in the Linux kernel code: ath6kl: Fix kernel panic while receiving fwlog during boot
Problem Details: "ath6kl: Defer wiphy and netdev registration till the end of ath6kl_core_init()" causes kernel panic by accessing the unallocated debug resources during boot time. To fix this, split the debug initialization funtion into two, one initializes the debug resource and the other takes care of debugfs initia...
```diff diff --git a/drivers/net/wireless/ath/ath6kl/core.c b/drivers/net/wireless/ath/ath6kl/core.c index e66cf4399b61..84dd9786622f 100644 --- a/drivers/net/wireless/ath/ath6kl/core.c +++ b/drivers/net/wireless/ath/ath6kl/core.c @@ -124,6 +124,8 @@ int ath6kl_core_init(struct ath6kl *ar) set_bit(FIRST_BOOT, &ar->...
cd93710e8d290711ba2e08e1d1a380013aad667d
Analyze and fix the following issue in the Linux kernel code: NFS: Fix nfs4_verifier memory alignment
Problem Details: Clean up due to code review. The nfs4_verifier's data field is not guaranteed to be u32-aligned. Casting an array of chars to a u32 * is considered generally hazardous. Fix this by using a __be32 array to generate a verifier's contents, and then byte-copy the contents into the verifier field. The co...
```diff diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index e0e35288361c..1ec05222ccbc 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -836,13 +836,15 @@ static struct nfs4_opendata *nfs4_opendata_alloc(struct dentry *dentry, p->o_arg.dir_bitmask = server->cache_consistency_bitmask; p->o_arg.claim = ...
8e663f0e5fabf57065aed1cfdaff5b13057dce23
Analyze and fix the following issue in the Linux kernel code: NFSv4.1: Fix matching of the stateids when returning a delegation
Problem Details: nfs41_validate_delegation_stateid is broken if we supply a stateid with a non-zero sequence id. Instead of trying to match the sequence id, the function assumes that we always want to error. While this is true for a delegation callback, it is not true in general. Also fix a typo in nfs4_callback_recal...
```diff diff --git a/fs/nfs/callback_proc.c b/fs/nfs/callback_proc.c index 1bb297243624..ea8321923f28 100644 --- a/fs/nfs/callback_proc.c +++ b/fs/nfs/callback_proc.c @@ -87,8 +87,7 @@ __be32 nfs4_callback_recall(struct cb_recallargs *args, void *dummy, res = 0; break; case -ENOENT: - if (res != 0) - res = h...
fa68a1ba1de349f0d1fcc54171b95236efe24148
Analyze and fix the following issue in the Linux kernel code: NFS: Fix a typo in _nfs_display_fhandle
Problem Details: The check for 'fh == NULL' needs to come _before_ we dereference fh. Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
```diff diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index 99a4f52c14b2..ba03b7908149 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c @@ -1058,7 +1058,7 @@ void _nfs_display_fhandle(const struct nfs_fh *fh, const char *caption) { unsigned short i; - if (fh->size == 0 || fh == NULL) { + if (fh == NULL || fh->size ...
30e9eb190f7930bf1edb0ec2d0ce10e300391abd
Analyze and fix the following issue in the Linux kernel code: usb/gadget/pch_udc: Fix compile error
Problem Details: Greg's e-mail address was old. So, I resend it. Though I've tested this patch, http://marc.info/?l=linux-usb&m=132825305710285&w=2, I've received the following reports. http://kisskb.ellerman.id.au/kisskb/buildresult/5771890/ http://kisskb.ellerman.id.au/kisskb/buildresult/5771905/ So, I added header...
```diff diff --git a/drivers/usb/gadget/pch_udc.c b/drivers/usb/gadget/pch_udc.c index 350dbcd90681..65307064a6fd 100644 --- a/drivers/usb/gadget/pch_udc.c +++ b/drivers/usb/gadget/pch_udc.c @@ -16,6 +16,7 @@ #include <linux/usb/ch9.h> #include <linux/usb/gadget.h> #include <linux/gpio.h> +#include <linux/irq.h> ...
a09b659cd68c10ec6a30cb91ebd2c327fcd5bfe5
Analyze and fix the following issue in the Linux kernel code: genirq: Fix long-term regression in genirq irq_set_irq_type() handling
Problem Details: In 2008, commit 0c5d1eb77a8be ("genirq: record trigger type") modified the way set_irq_type() handles the 'no trigger' condition. However, this has an adverse effect on PCMCIA support on Intel StrongARM and probably PXA platforms. PCMCIA has several status signals on the socket which can trigger inte...
```diff diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index f7c543a801d9..4dbc9c9d641b 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -61,8 +61,7 @@ int irq_set_irq_type(unsigned int irq, unsigned int type) return -EINVAL; type &= IRQ_TYPE_SENSE_MASK; - if (type != IRQ_TYPE_NONE) - ret = __irq_s...
4614679c9d3b77e87b390b6afe8a8dfc980f4387
Analyze and fix the following issue in the Linux kernel code: OMAPDSS: APPLY: print warning if wait_pending_extra_info_updates fails
Problem Details: wait_pending_extra_info_updates() currently does a hacky second check for extra_info_update_ongoing() at the end of the function to show a warning if extra_info update is still ongoing. The call to extra_info_update_ongoing() should really be inside spinlock, but that's a bit heavy just for verificatio...
```diff diff --git a/drivers/video/omap2/dss/apply.c b/drivers/video/omap2/dss/apply.c index f145e9cd6edd..267c3f40d6c3 100644 --- a/drivers/video/omap2/dss/apply.c +++ b/drivers/video/omap2/dss/apply.c @@ -354,6 +354,7 @@ static void wait_pending_extra_info_updates(void) bool updating; unsigned long flags; unsig...
c0c1cfcb577d61ec55e209bc5f869d3d80a8f371
Analyze and fix the following issue in the Linux kernel code: OMAPDSS: DISPC: Fix FIR coefficients
Problem Details: coef3_M8 had an incorrect phase with 50% more intensity. This resulted in banding on slightly down/upscaled images. Fixed a rounding error in coef5_M9. Also removed ARRAY_LEN macro as ARRAY_SIZE is the standard linux one. Signed-off-by: Lajos Molnar <lajos@ti.com> Signed-off-by: Archit Taneja <archit...
```diff diff --git a/drivers/video/omap2/dss/dispc_coefs.c b/drivers/video/omap2/dss/dispc_coefs.c index 069bccbb3f12..038c15b04215 100644 --- a/drivers/video/omap2/dss/dispc_coefs.c +++ b/drivers/video/omap2/dss/dispc_coefs.c @@ -19,14 +19,13 @@ #include <linux/kernel.h> #include <video/omapdss.h> -#include "dispc...
08f3267e264e3cf05f0e79cf0f63a2162fd4bd1c
Analyze and fix the following issue in the Linux kernel code: OMAPDSS: DISPC: Fix OMAP4 supported color formats
Problem Details: Add missing but supported color formats for GFX pipeline in dss features: RGBX16-4444, RGBA16-4444 and XRGB16-1555. In dispc_ovl_set_color_mode(): - Remove unsupported modes on GFX pipeline: YUV2 and UYVY. Replace these by missing modes supported by GFX pipelines: RGBX16-4444 and RGBA16-4444. - Fi...
```diff diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c index 700bb563cfcd..bddd64b435b9 100644 --- a/drivers/video/omap2/dss/dispc.c +++ b/drivers/video/omap2/dss/dispc.c @@ -735,11 +735,11 @@ static void dispc_ovl_set_color_mode(enum omap_plane plane, switch (color_mode) { case OM...
dd2116a35aa9a5a7b71e1d21f30aec8927434d19
Analyze and fix the following issue in the Linux kernel code: OMAPDSS: HDMI: Add M2 divider while calculating clkout
Problem Details: While calculating regm and regmf value add using M2 divider in the equation. Formula for calculating: Output clock on digital core domain: CLKOUT = (M / (N+1))*CLKINP*(1/M2) Internal oscillator output clock on internal LDO domain: CLKDCOLDO = (M / (N+1))*CLKINP The current code when allows variable M...
```diff diff --git a/drivers/video/omap2/dss/hdmi.c b/drivers/video/omap2/dss/hdmi.c index a229d0f83652..c4b4f6950a92 100644 --- a/drivers/video/omap2/dss/hdmi.c +++ b/drivers/video/omap2/dss/hdmi.c @@ -278,24 +278,24 @@ static void hdmi_compute_pll(struct omap_dss_device *dssdev, int phy, refclk = clkin / pi->regn...
6602b0ddf399d4438fdea17b4b4a65df5ec97bb8
Analyze and fix the following issue in the Linux kernel code: dma: imx-sdma: Let the driver be probed even if no firware is found
Problem Details: On the device tree case the code bails out when the firmware name cannot be found or if the firmware fails to be requested. Fix this behaviour as the SDMA engine can still operate with the built-in ROM scripts. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Acked-by: Sascha Hauer <s.hauer...
```diff diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index 8220f5703c79..05fa3a1d95a1 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -1396,15 +1396,12 @@ static int __init sdma_probe(struct platform_device *pdev) */ ret = of_property_read_string(np, "fsl,sdma-ram-script-name"...
63f32b3893aba641504d744d58ab5ed6f528fc7c
Analyze and fix the following issue in the Linux kernel code: ARM: EXYNOS: fix touchscreen IRQ setup on Universal C210 board
Problem Details: Fixes atmel_mxt_ts freeze on Universal C210. Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
```diff diff --git a/arch/arm/mach-exynos/mach-universal_c210.c b/arch/arm/mach-exynos/mach-universal_c210.c index 0fc65ffde8ff..38939956c34f 100644 --- a/arch/arm/mach-exynos/mach-universal_c210.c +++ b/arch/arm/mach-exynos/mach-universal_c210.c @@ -13,6 +13,7 @@ #include <linux/i2c.h> #include <linux/gpio_keys.h> ...
8f2392142346f2754c8292a94cc62a157ed1e093
Analyze and fix the following issue in the Linux kernel code: ALSA: hda - add quirk to detect CD input on Gigabyte EP45-DS3
Problem Details: My CD input got lost in commit 68ef0561efe494143516df38c03a16b837b8e79c. Raymond helped me to add the necessary pin fixup to make it appear again. In fact, this is basically his patch. It fixes alsa bug #5541. Signed-off-by: Marton Balint <cus@passwd.hu> 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 f286bb8fda13..5e530205bba4 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -4367,6 +4367,7 @@ enum { ALC882_FIXUP_PB_M5210, ALC882_FIXUP_ACER_ASPIRE_7736, ALC882_FIXUP_ASUS_W90V, + ALC889_FIX...
2f099a280e92c259598d8ed8da82c7ec2dd49845
Analyze and fix the following issue in the Linux kernel code: openrisc: fix virt_addr_valid
Problem Details: virt_addr_valid() shouldn't be comparing the address to memory_end which is a phys_addr_t. Change this to do like other arches and check that the address falls within a valid page frame. Signed-off-by: Jonas Bonn <jonas@southpole.se>
```diff diff --git a/arch/openrisc/include/asm/page.h b/arch/openrisc/include/asm/page.h index b041b344b229..c4ffaee5f940 100644 --- a/arch/openrisc/include/asm/page.h +++ b/arch/openrisc/include/asm/page.h @@ -94,8 +94,7 @@ extern unsigned long memory_end; #define pfn_valid(pfn) ((pfn) < max_mapnr) -#def...
a8203725dfded5c1f79dca3368a4a273e24b59bb
Analyze and fix the following issue in the Linux kernel code: slab: introduce kmalloc_array()
Problem Details: Introduce a kmalloc_array() wrapper that performs integer overflow checking without zeroing the memory. Suggested-by: Andrew Morton <akpm@linux-foundation.org> Suggested-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Xi Wang <xi.wang@gmail.com> Cc: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: D...
```diff diff --git a/include/linux/slab.h b/include/linux/slab.h index 573c809c33d9..a595dce6b0c7 100644 --- a/include/linux/slab.h +++ b/include/linux/slab.h @@ -190,7 +190,7 @@ size_t ksize(const void *); #endif /** - * kcalloc - allocate memory for an array. The memory is set to zero. + * kmalloc_array - allocat...
464846888d9aad186cab3acdae6b654f9eb19772
Analyze and fix the following issue in the Linux kernel code: x86/kprobes: Fix a bug which can modify kernel code permanently
Problem Details: Fix a bug in kprobes which can modify kernel code permanently at run-time. In the result, kernel can crash when it executes the modified code. This bug can happen when we put two probes enough near and the first probe is optimized. When the second probe is set up, it copies a byte which is already mod...
```diff diff --git a/arch/x86/kernel/kprobes.c b/arch/x86/kernel/kprobes.c index 6bec22f514b5..ca6d450bee7e 100644 --- a/arch/x86/kernel/kprobes.c +++ b/arch/x86/kernel/kprobes.c @@ -361,19 +361,15 @@ static int __kprobes is_IF_modifier(kprobe_opcode_t *insn) * If not, return null. * Only applicable to 64-bit x86. ...
86b4ce3156c0dc140907ad03639564000cde694f
Analyze and fix the following issue in the Linux kernel code: x86/kprobes: Fix instruction recovery on optimized path
Problem Details: Current probed-instruction recovery expects that only breakpoint instruction modifies instruction. However, since kprobes jump optimization can replace original instructions with a jump, that expectation is not enough. And it may cause instruction decoding failure on the function where an optimized pro...
```diff diff --git a/arch/x86/kernel/kprobes.c b/arch/x86/kernel/kprobes.c index 7da647d8b64c..6bec22f514b5 100644 --- a/arch/x86/kernel/kprobes.c +++ b/arch/x86/kernel/kprobes.c @@ -207,13 +207,15 @@ retry: } } -/* Recover the probed instruction at addr for further analysis. */ -static int recover_probed_instruct...
722bc6b16771ed80871e1fd81c86d3627dda2ac8
Analyze and fix the following issue in the Linux kernel code: x86/mm: Fix the size calculation of mapping tables
Problem Details: For machines that enable PSE, the first 2/4M memory region still uses 4K pages, so needs more PTEs in this case, but find_early_table_space() doesn't count this. This patch fixes it. The bug was found via code review, no misbehavior of the kernel was observed. Signed-off-by: WANG Cong <xiyou.wangcon...
```diff diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c index 6cabf6570d64..2e92fdcbea86 100644 --- a/arch/x86/mm/init.c +++ b/arch/x86/mm/init.c @@ -30,8 +30,14 @@ int direct_gbpages #endif ; -static void __init find_early_table_space(unsigned long end, int use_pse, - int use_gbpages) +struct map_range ...
8bee7cea6c93b5514b672d1c347dad9960823f12
Analyze and fix the following issue in the Linux kernel code: x86/mid/powerbtn: Use MSIC read/write instead of ipc_scu
Problem Details: In the 2.6.36 kernel we did not have the MSIC driver. Changed all ipc_scu_reads/writes to use the MSIC driver and defines. Added a fix from the 2.6.36 kernel where the SCU FW could send a power button interrupt to the IA32 FW and the kernel was not running yet. This resulted in the interrupt not gett...
```diff diff --git a/drivers/platform/x86/intel_mid_powerbtn.c b/drivers/platform/x86/intel_mid_powerbtn.c index f1ae5078b7ec..0903a883e9f4 100644 --- a/drivers/platform/x86/intel_mid_powerbtn.c +++ b/drivers/platform/x86/intel_mid_powerbtn.c @@ -23,21 +23,27 @@ #include <linux/slab.h> #include <linux/platform_device...
eae460b6590bb924d4e528d6cc7ccd4d993ff8dd
Analyze and fix the following issue in the Linux kernel code: x86/iommu/intel: Fix identity mapping for sandy bridge
Problem Details: With SandyBridge, Intel has changed these Socket PCI devices to have a class type of "System Peripheral" & "Performance counter", rather than "HostBridge". So instead of using a "special" case to detect which devices will not be doing DMA, use the fact that a device that is not associated with an IOMM...
```diff diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index c9c6053198d4..8aa580dc3033 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -48,8 +48,6 @@ #define ROOT_SIZE VTD_PAGE_SIZE #define CONTEXT_SIZE VTD_PAGE_SIZE -#define IS_BRIDGE_HOST_DEVICE(pdev) \ - ...
af829310e8a914ad17ed61a7b18b14b4f457bca1
Analyze and fix the following issue in the Linux kernel code: ARM: pxa: fix invalid mfp pin issue
Problem Details: Failure is reported on hx4700 with kernel v3.3-rc1. __mfp_validate: GPIO20 is invalid pin __mfp_validate: GPIO21 is invalid pin __mfp_validate: GPIO15 is invalid pin __mfp_validate: GPIO78 is invalid pin __mfp_validate: GPIO79 is invalid pin __mfp_validate: GPIO80 is invalid pin __mfp_validate: GPIO33...
```diff diff --git a/arch/arm/mach-pxa/mfp-pxa2xx.c b/arch/arm/mach-pxa/mfp-pxa2xx.c index f14775536b83..29b62afc6f7c 100644 --- a/arch/arm/mach-pxa/mfp-pxa2xx.c +++ b/arch/arm/mach-pxa/mfp-pxa2xx.c @@ -226,6 +226,12 @@ static void __init pxa25x_mfp_init(void) { int i; + /* running before pxa_gpio_probe() */ +#ifd...
5cb917bc4f3882ecee87064483111023086757d3
Analyze and fix the following issue in the Linux kernel code: tg3: Fix to use multi queue BQL interfaces
Problem Details: Fix tg3 to use BQL multi queue related netdev interfaces since the device supports multi queue. Signed-off-by: Tom Herbert <therbert@google.com> Reported-by: Christoph Lameter <cl@gentwo.org> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index 423d0235a878..35c2a202d67a 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -5352,7 +5352,7 @@ static void tg3_tx(struct tg3_napi *tnapi) } } - netdev_completed_queue(...
8eaa7bb0b363707db6d1323e4fbc0783bc55d22d
Analyze and fix the following issue in the Linux kernel code: ARM: OMAP1: Fix section mismatch for omap1_init_early()
Problem Details: Fix the following warning: WARNING: vmlinux.o(.text+0x1286c): Section mismatch in reference from the function omap1_init_early() to the function .init.text:omap1_clk_init() The function omap1_init_early() references the function __init omap1_clk_init(). This is often because omap1_init_early lacks a _...
```diff diff --git a/arch/arm/mach-omap1/io.c b/arch/arm/mach-omap1/io.c index 8e55b6fb3478..55a8f582d04c 100644 --- a/arch/arm/mach-omap1/io.c +++ b/arch/arm/mach-omap1/io.c @@ -118,7 +118,7 @@ void __init omap16xx_map_io(void) /* * Common low-level hardware init for omap1. */ -void omap1_init_early(void) +void _...
33c3f71cf7033ffd108cbab7a75665a5e66a1be0
Analyze and fix the following issue in the Linux kernel code: ARM: OMAP1: Fix typo in lcd_dma.c
Problem Details: Correct spelling "resulotion" to "resolution" in arch/arm/mach-omap1/lcd_dma.c Signed-off-by: Masanari Iida <standby24x7@gmail.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
```diff diff --git a/arch/arm/mach-omap1/lcd_dma.c b/arch/arm/mach-omap1/lcd_dma.c index 453809359ba6..4c5ce7d829c2 100644 --- a/arch/arm/mach-omap1/lcd_dma.c +++ b/arch/arm/mach-omap1/lcd_dma.c @@ -117,7 +117,7 @@ EXPORT_SYMBOL(omap_set_lcd_dma_b1_mirror); void omap_set_lcd_dma_b1_vxres(unsigned long vxres) { if (...
44c568a8bb3cd59f27d5cca1b9c6977a002c1913
Analyze and fix the following issue in the Linux kernel code: ARM: OMAP: mailbox: trivial whitespace fix
Problem Details: Trivial whitespace fix Signed-off-by: Felipe Contreras <felipe.contreras@nokia.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
```diff diff --git a/arch/arm/plat-omap/mailbox.c b/arch/arm/plat-omap/mailbox.c index ad80112c2275..ad32621aa52e 100644 --- a/arch/arm/plat-omap/mailbox.c +++ b/arch/arm/plat-omap/mailbox.c @@ -307,7 +307,7 @@ static void omap_mbox_fini(struct omap_mbox *mbox) if (!--mbox->use_count) { free_irq(mbox->irq, mbox); ...
17e22caccfcefc3f45ab5eaafe7279ada3b3fbd6
Analyze and fix the following issue in the Linux kernel code: ARM: omap: pandora: fix usbhs platform data
Problem Details: It turned out wrong OMAP HSUSB port was configured on pandora, but still managed to work somehow. This was noticed after enabling in-kernel mux, where USB muxing was causing other devices not to work, because hsusb1 pins (instead of hsusb2) were wrongly remuxed, which are used for other things on pando...
```diff diff --git a/arch/arm/mach-omap2/board-omap3pandora.c b/arch/arm/mach-omap2/board-omap3pandora.c index 1644b73017fc..2224b5d873cd 100644 --- a/arch/arm/mach-omap2/board-omap3pandora.c +++ b/arch/arm/mach-omap2/board-omap3pandora.c @@ -343,7 +343,7 @@ static struct regulator_consumer_supply pandora_vcc_lcd_suppl...
dffc9daeec5e7e2a5bfcb7cbb5abf3a9dc64ffe1
Analyze and fix the following issue in the Linux kernel code: ARM: OMAP: dmtimer: fix missing content/correction in low-power mode support
Problem Details: Since omap_dm_timer_write_reg/__omap_dm_timer_write is now modified to use timer->func_base OCP_CFG should not use this wrapper anymore. Instead use __raw_writel() directly and use timer->io_base instead to write to OCP_CFG. The timer->sys_stat is valid only if timer->revision is 1. In the context res...
```diff diff --git a/arch/arm/plat-omap/dmtimer.c b/arch/arm/plat-omap/dmtimer.c index af3b92be8459..0b77fe87e010 100644 --- a/arch/arm/plat-omap/dmtimer.c +++ b/arch/arm/plat-omap/dmtimer.c @@ -80,9 +80,9 @@ static void omap_dm_timer_write_reg(struct omap_dm_timer *timer, u32 reg, static void omap_timer_restore_con...
af4872fb39301bbe196d0778f80d22ec51d8884b
Analyze and fix the following issue in the Linux kernel code: ASoC: imx: rename audmux prefix mxc to imx
Problem Details: It renames the legacy name mxc used in audmux function and macro to imx. Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Acked-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
```diff diff --git a/sound/soc/imx/eukrea-tlv320.c b/sound/soc/imx/eukrea-tlv320.c index b375ed4541f6..7d4475cfdb24 100644 --- a/sound/soc/imx/eukrea-tlv320.c +++ b/sound/soc/imx/eukrea-tlv320.c @@ -101,35 +101,35 @@ static int __init eukrea_tlv320_init(void) int int_port = 0, ext_port; if (machine_is_eukrea_cpui...
f558b275439a9d14a1e2a754484f81ecebf56764
Analyze and fix the following issue in the Linux kernel code: Revert "ARM: OMAP2+: Fix multiple randconfig errors with SOC_OMAP and SOC_OMAP_NOOP"
Problem Details: This reverts commit c295fb633e321a7df3b8846c4eaddc5da3e0aaed. This makes existing .config files bloated by selecting in all omaps as noted by Russell King - ARM Linux <linux@arm.linux.org.uk>. Signed-off-by: Tony Lindgren <tony@atomide.com>
```diff diff --git a/arch/arm/Makefile b/arch/arm/Makefile index ea69448be0ed..1683bfb9166f 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -164,7 +164,9 @@ machine-$(CONFIG_ARCH_MXS) := mxs machine-$(CONFIG_ARCH_NETX) := netx machine-$(CONFIG_ARCH_NOMADIK) := nomadik machine-$(CONFIG_ARCH_OMAP1) := om...
b24823e61bfd93d0e72088e4f5245287582ed289
Analyze and fix the following issue in the Linux kernel code: rapidio/tsi721: fix queue wrapping bug in inbound doorbell handler
Problem Details: Fix a bug that causes a kernel panic when the number of received doorbells is larger than number of entries in the inbound doorbell queue (current default value = 512). Another possible indication for this bug is large number of spurious doorbells reported by tsi721 driver after reaching the queue siz...
```diff diff --git a/drivers/rapidio/devices/tsi721.c b/drivers/rapidio/devices/tsi721.c index 691b1ab1a3d0..30d2072f480b 100644 --- a/drivers/rapidio/devices/tsi721.c +++ b/drivers/rapidio/devices/tsi721.c @@ -410,13 +410,14 @@ static void tsi721_db_dpc(struct work_struct *work) */ mport = priv->mport; - wr_ptr...
e6ca7b89dc76abf77c80887fed54e0a60c87c0a8
Analyze and fix the following issue in the Linux kernel code: memcg: fix mapcount check in move charge code for anonymous page
Problem Details: Currently the charge on shared anonyous pages is supposed not to moved in task migration. To implement this, we need to check that mapcount > 1, instread of > 2. So this patch fixes it. Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Reviewed-by: Daisuke Nishimura <nishimura@mxp.nes.nec.c...
```diff diff --git a/mm/memcontrol.c b/mm/memcontrol.c index d0e57a3cda18..5585dc3d3646 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -5075,7 +5075,7 @@ static struct page *mc_handle_present_pte(struct vm_area_struct *vma, return NULL; if (PageAnon(page)) { /* we don't move shared anon */ - if (!move_a...
1c641e84719429bbfe62a95ed3545ee7fe24408f
Analyze and fix the following issue in the Linux kernel code: mm: thp: fix BUG on mm->nr_ptes
Problem Details: Dave Jones reports a few Fedora users hitting the BUG_ON(mm->nr_ptes...) in exit_mmap() recently. Quoting Hugh's discovery and explanation of the SMP race condition: "mm->nr_ptes had unusual locking: down_read mmap_sem plus page_table_lock when incrementing, down_write mmap_sem (or mm_users 0...
```diff diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 91d3efb25d15..8f7fc394f636 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -671,6 +671,7 @@ static int __do_huge_pmd_anonymous_page(struct mm_struct *mm, set_pmd_at(mm, haddr, pmd, entry); prepare_pmd_huge_pte(pgtable, mm); add_mm_counter(m...
62aca403657fe30e5235c5331e9871e676d9ea0a
Analyze and fix the following issue in the Linux kernel code: alpha: fix 32/64-bit bug in futex support
Problem Details: Michael Cree said: : : I have noticed some user space problems (pulseaudio crashes in pthread : : code, glibc/nptl test suite failures, java compiler freezes on SMP alpha : : systems) that arise when using a 2.6.39 or later kernel on Alpha. : : Bisecting between 2.6.38 and 2.6.39 (using glibc/nptl tes...
```diff diff --git a/arch/alpha/include/asm/futex.h b/arch/alpha/include/asm/futex.h index e8a761aee088..f939794363ac 100644 --- a/arch/alpha/include/asm/futex.h +++ b/arch/alpha/include/asm/futex.h @@ -108,7 +108,7 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, " lda $31,3b-2b(%0)\n" " .previous\n"...
7512102cf64d36e3c7444480273623c7aab3563f
Analyze and fix the following issue in the Linux kernel code: memcg: fix GPF when cgroup removal races with last exit
Problem Details: When moving tasks from old memcg (with move_charge_at_immigrate on new memcg), followed by removal of old memcg, hit General Protection Fault in mem_cgroup_lru_del_list() (called from release_pages called from free_pages_and_swap_cache from tlb_flush_mmu from tlb_finish_mmu from exit_mmap from mmput fr...
```diff diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index 4d34356fe644..b80de520670b 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -129,7 +129,6 @@ extern void mem_cgroup_print_oom_info(struct mem_cgroup *memcg, extern void mem_cgroup_replace_page_cache(struct pag...
9f78ff005a6b6313728247113948450b2adddde8
Analyze and fix the following issue in the Linux kernel code: debugobjects: Fix selftest for static warnings
Problem Details: debugobjects is now printing a warning when a fixup for a NOTAVAILABLE object is run. This causes the selftest to fail like: ODEBUG: selftest warnings failed 4 != 5 We could just increase the number of warnings that the selftest is expecting to see because that is actually what has changed. But, i...
```diff diff --git a/lib/debugobjects.c b/lib/debugobjects.c index 77cb245f8e7b..0ab9ae8057f0 100644 --- a/lib/debugobjects.c +++ b/lib/debugobjects.c @@ -818,17 +818,9 @@ static int __init fixup_activate(void *addr, enum debug_obj_state state) if (obj->static_init == 1) { debug_object_init(obj, &descr_type_test...
9354f1b8e6c55c335d1c4fb10d0ae7a041935240
Analyze and fix the following issue in the Linux kernel code: floppy/scsi: fix setting of BIO flags
Problem Details: Fix setting bio flags in drivers (sd_dif/floppy). Signed-off-by: Muthukumar R <muthur@gmail.com> Cc: Jens Axboe <axboe@kernel.dk> Cc: James Bottomley <James.Bottomley@HansenPartnership.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundatio...
```diff diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index 9baf11e86362..744f078f4dd8 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -3832,7 +3832,7 @@ static int __floppy_read_block_0(struct block_device *bdev) bio.bi_size = size; bio.bi_bdev = bdev; bio.bi_sector = 0; - bio....
9ce70c0240d01309b34712f87eda4fbfba3c3764
Analyze and fix the following issue in the Linux kernel code: memcg: fix deadlock by inverting lrucare nesting
Problem Details: We have forgotten the rules of lock nesting: the irq-safe ones must be taken inside the non-irq-safe ones, otherwise we are open to deadlock: CPU0 CPU1 ---- ---- lock(&(&pc->lock)->rlock); local_irq_disable(); ...
```diff diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 228d6461c12a..1097d8098f8c 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -2408,8 +2408,12 @@ static void __mem_cgroup_commit_charge(struct mem_cgroup *memcg, struct page *page, unsigned int nr_pages, struct page_cgr...
73737b878767ef441d7cc34ebeeba01dd0a68dd6
Analyze and fix the following issue in the Linux kernel code: drivers/rtc/rtc-r9701.c: fix crash in r9701_remove()
Problem Details: If probing the RTC didn't succeed due to failed RTC register access, the RTC device will be unregistered. Then, when removing the module r9701_remove() causes a kernel crash while trying to unregister a not registered RTC device. Fix this by doing RTC register access test before RTC device registrati...
```diff diff --git a/drivers/rtc/rtc-r9701.c b/drivers/rtc/rtc-r9701.c index 9beba49c3c5b..2853c2a6f10f 100644 --- a/drivers/rtc/rtc-r9701.c +++ b/drivers/rtc/rtc-r9701.c @@ -125,6 +125,13 @@ static int __devinit r9701_probe(struct spi_device *spi) unsigned char tmp; int res; + tmp = R100CNT; + res = read_regs(&s...
6027ce497d44dd8eae1a9215789df178f6b422cc
Analyze and fix the following issue in the Linux kernel code: hung_task: fix the broken rcu_lock_break() logic
Problem Details: check_hung_uninterruptible_tasks()->rcu_lock_break() introduced by "softlockup: check all tasks in hung_task" commit ce9dbe24 looks absolutely wrong. - rcu_lock_break() does put_task_struct(). If the task has exited it is not safe to even read its ->state, nothing protects this task_struct. -...
```diff diff --git a/kernel/hung_task.c b/kernel/hung_task.c index 2e48ec0c2e91..c21449f85a2a 100644 --- a/kernel/hung_task.c +++ b/kernel/hung_task.c @@ -119,15 +119,20 @@ static void check_hung_task(struct task_struct *t, unsigned long timeout) * For preemptible RCU it is sufficient to call rcu_read_unlock in order...
f986a499ef6f317d906e6f6f281be966e1237a10
Analyze and fix the following issue in the Linux kernel code: kprobes: return proper error code from register_kprobe()
Problem Details: register_kprobe() aborts if the address of the new request falls in a prohibited area (such as ftrace pouch, __kprobes annotated functions, non-kernel text addresses, jump label text). We however don't return the right error on this abort, resulting in a silent failure - incorrect adding/reporting of ...
```diff diff --git a/kernel/kprobes.c b/kernel/kprobes.c index 9788c0ec6f43..c62b8546cc90 100644 --- a/kernel/kprobes.c +++ b/kernel/kprobes.c @@ -1334,8 +1334,10 @@ int __kprobes register_kprobe(struct kprobe *p) if (!kernel_text_address((unsigned long) p->addr) || in_kprobes_functions((unsigned long) p->addr)...
f9353e70bcebd00cd182d946083afd7d8eddd259
Analyze and fix the following issue in the Linux kernel code: regmap: Fix rbtree block base in sync
Problem Details: Otherwise we'll end up running with bogus register numbers. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
```diff diff --git a/drivers/base/regmap/regcache-rbtree.c b/drivers/base/regmap/regcache-rbtree.c index bae183c6bcb1..313c20f8cc28 100644 --- a/drivers/base/regmap/regcache-rbtree.c +++ b/drivers/base/regmap/regcache-rbtree.c @@ -379,7 +379,7 @@ static int regcache_rbtree_sync(struct regmap *map, unsigned int min, ...
55283e2537714f9370c4ab847d170acf223daf90
Analyze and fix the following issue in the Linux kernel code: x32: Add ptrace for x32
Problem Details: X32 ptrace is a hybrid of 64bit ptrace and compat ptrace with 32bit address and longs. It use 64bit ptrace to access the full 64bit registers. PTRACE_PEEKUSR and PTRACE_POKEUSR are only allowed to access segment and debug registers. PTRACE_PEEKUSR returns the lower 32bits and PTRACE_POKEUSR zero-ext...
```diff diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c index 50267386b766..93e7877a19c4 100644 --- a/arch/x86/kernel/ptrace.c +++ b/arch/x86/kernel/ptrace.c @@ -1130,6 +1130,100 @@ static int genregs32_set(struct task_struct *target, return ret; } +#ifdef CONFIG_X86_X32_ABI +static long x32_arch_...
b7c39a3f59ae55aa49ebf670e9329bc7da6d3c65
Analyze and fix the following issue in the Linux kernel code: ARM: OMAP2+: omap_device: call all suspend, resume callbacks when OMAP_DEVICE_NO_IDLE_ON_SUSPEND is set
Problem Details: During system suspend, when OMAP_DEVICE_NO_IDLE_ON_SUSPEND is set on an omap_device, call the corresponding driver's ->suspend() and ->suspend_noirq() callbacks (if present). Similarly, during resume, the driver's ->resume() and ->resume_noirq() callbacks must both be called, if present. (The previou...
```diff diff --git a/arch/arm/plat-omap/omap_device.c b/arch/arm/plat-omap/omap_device.c index 1ae9d6f653a9..6de28ea3cd65 100644 --- a/arch/arm/plat-omap/omap_device.c +++ b/arch/arm/plat-omap/omap_device.c @@ -754,14 +754,12 @@ static int _od_suspend_noirq(struct device *dev) struct omap_device *od = to_omap_device(...
401606fd708885d28ce3c14a2a8fe612f8a6b50f
Analyze and fix the following issue in the Linux kernel code: ARM: OMAP2+: PM debug: fix the use of debugfs_create_* API
Problem Details: Check the return code pointer value from debugfs_create_dir for error or NULL. Also added an additional check to prevent the creation of a 'suspend' entry at the debugfs root in case a power domain directory cannot be created. Signed-off-by: Jean Pihet <j-pihet@ti.com> Signed-off-by: Kevin Hilman <khi...
```diff diff --git a/arch/arm/mach-omap2/pm-debug.c b/arch/arm/mach-omap2/pm-debug.c index 4411163e012d..814bcd901596 100644 --- a/arch/arm/mach-omap2/pm-debug.c +++ b/arch/arm/mach-omap2/pm-debug.c @@ -220,8 +220,8 @@ static int __init pwrdms_setup(struct powerdomain *pwrdm, void *dir) return 0; d = debugfs_cre...
e68e8093ed570f9272665112d13d4c5811536680
Analyze and fix the following issue in the Linux kernel code: ARM: OMAP2+: PM: clean up omap_set_pwrdm_state()
Problem Details: Clean up a few different parts of omap_set_pwrdm_state(): - Remove a superfluous call to pwrdm_state_switch(). Not needed unless LOWPOWERSTATECHANGE is used, because the state switch code is called by either clkdm_sleep() or clkdm_allow_idle(). - Add code to wait for the power state transition i...
```diff diff --git a/arch/arm/mach-omap2/pm.c b/arch/arm/mach-omap2/pm.c index fb9b85bfc308..c3fe8eada2cc 100644 --- a/arch/arm/mach-omap2/pm.c +++ b/arch/arm/mach-omap2/pm.c @@ -72,28 +72,27 @@ static void omap2_init_processor_devices(void) * This sets pwrdm state (other than mpu & core. Currently only ON & * RET ...
7a90484825680e7831856105f5fef654e6c02701
Analyze and fix the following issue in the Linux kernel code: md/raid10: fix assembling of arrays with replacement devices.
Problem Details: commit 56a2559bb654a (md/raid10: recognise replacements ...) changed 'run' to set ->replacement or ->rdev depending on the 'Replacement' status if the device, but it didn't remove the old unconditional setting of 'rdev'. So it was largely ineffective. So remove that now. Signed-off-by: NeilBrown <ne...
```diff diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index bd06ea21756c..58c44d6453a0 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -3260,7 +3260,6 @@ static int run(struct mddev *mddev) disk->rdev = rdev; } - disk->rdev = rdev; disk_stack_limits(mddev->gendisk, rdev->bdev, ...
055bf38d3d6069707e2d555cffdde629b8404ff2
Analyze and fix the following issue in the Linux kernel code: drm, gma500: Fix Cedarview boot failures in 3.3-rc
Problem Details: Production GMA3600/3650 hardware turns out to be subtly different to the development platforms. This combined with a minor driver bug is causing the kernel to hang on these platforms. This patch does the following - turn down a couple of messages that were meant to be debug and are causing much ...
```diff diff --git a/drivers/gpu/drm/gma500/cdv_device.c b/drivers/gpu/drm/gma500/cdv_device.c index 4a5b099c3bc5..53404af2e748 100644 --- a/drivers/gpu/drm/gma500/cdv_device.c +++ b/drivers/gpu/drm/gma500/cdv_device.c @@ -321,6 +321,8 @@ static int cdv_chip_setup(struct drm_device *dev) cdv_get_core_freq(dev); gma...
cc4ad9072cce2bf0eeae1fb197e42612fbac1f15
Analyze and fix the following issue in the Linux kernel code: ARM: OMAP2+: Fix module build errors with CONFIG_OMAP4_ERRATA_I688
Problem Details: While building modules with randconfig the below errors are observed. ERROR: "omap_bus_sync" [drivers/watchdog/sp805_wdt.ko] undefined! ERROR: "omap_bus_sync" [drivers/watchdog/dw_wdt.ko] undefined! ERROR: "omap_bus_sync" [drivers/virtio/virtio_ring.ko] undefined! ERROR: "omap_bus_sync" [drivers/video...
```diff diff --git a/arch/arm/mach-omap2/omap4-common.c b/arch/arm/mach-omap2/omap4-common.c index ebc595091312..70de277f5c15 100644 --- a/arch/arm/mach-omap2/omap4-common.c +++ b/arch/arm/mach-omap2/omap4-common.c @@ -31,6 +31,7 @@ #include "common.h" #include "omap4-sar-layout.h" +#include <linux/export.h> #if...
25db711df3258d125dc1209800317e5c0ef3c870
Analyze and fix the following issue in the Linux kernel code: gpio/omap: Fix IRQ handling for SPARSE_IRQ
Problem Details: The driver is still relying on internal OMAP IRQ defines that are not relevant anymore if OMAP is built with SPARSE_IRQ. Replace the defines with the proper IRQ base number. Clean some comment style issue. Remove some hidden and ugly cpu_class_is_omap1() inside the gpio header. Signed-off-by: Benoit ...
```diff diff --git a/arch/arm/plat-omap/include/plat/gpio.h b/arch/arm/plat-omap/include/plat/gpio.h index cb75b657b04b..b8a96c6a1a30 100644 --- a/arch/arm/plat-omap/include/plat/gpio.h +++ b/arch/arm/plat-omap/include/plat/gpio.h @@ -218,30 +218,14 @@ extern void omap_set_gpio_debounce(int gpio, int enable); extern v...
9d1dfc06b14df0818d86d6ba6aaec0f641e94990
Analyze and fix the following issue in the Linux kernel code: qla3xxx: ethernet: Fix bogus interrupt state flag.
Problem Details: In 'ql_adapter_initialize' the first call for 'spin_unlock_irqrestore()' is with hw_flags = 0, which is as good as 'spin_unlock_irq()' (unconditional interrupt enabling). If this is intended, then for better performance 'spin_unlock_irqrestore()' can be replaced with 'spin_unlock_irq()' and 'spin_lock_...
```diff diff --git a/drivers/net/ethernet/qlogic/qla3xxx.c b/drivers/net/ethernet/qlogic/qla3xxx.c index 7931531c3a40..e61560e16385 100644 --- a/drivers/net/ethernet/qlogic/qla3xxx.c +++ b/drivers/net/ethernet/qlogic/qla3xxx.c @@ -3017,7 +3017,6 @@ static int ql_adapter_initialize(struct ql3_adapter *qdev) (void __i...
75a57fe9cb77e3d3062127cb72d18314f00674d1
Analyze and fix the following issue in the Linux kernel code: ARM: OMAP2+: Fix build error when only ARCH_OMAP2/3 or 4 is selected
Problem Details: Otherwise we'll get undefined reference to `gic_of_init' or undefined reference to `omap_intc_of_init'. This was caused by commit fbf75da733e82bb17a01e1b907b0e40d9c028823 (ARM: OMAP2+: board-generic: Use of_irq_init API). Signed-off-by: Tony Lindgren <tony@atomide.com>
```diff diff --git a/arch/arm/mach-omap2/board-generic.c b/arch/arm/mach-omap2/board-generic.c index 12f4c5ff23bb..25d195ff1cb1 100644 --- a/arch/arm/mach-omap2/board-generic.c +++ b/arch/arm/mach-omap2/board-generic.c @@ -25,6 +25,13 @@ #include "common.h" #include "common-board-devices.h" +#if !(defined(CONFIG_AR...
18f973af3e7028620186d1c1ace044506bb6229e
Analyze and fix the following issue in the Linux kernel code: mlx4_en: remove sparse errors
Problem Details: Fix new sparse errors introduced in commit 6221217199 (mlx4_en: dont change mac_header on xmit) Reported-by: Or Gerlitz <or.gerlitz@gmail.com> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Cc: Yevgeny Petrilin <yevgenyp@mellanox.co.il> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c index 2fd51405a509..50b3fa5212ed 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c @@ -686,8 +686,8 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct ...
769009b89d8c29c410a99eee3cd63764b1fff869
Analyze and fix the following issue in the Linux kernel code: brcm80211: smac: cleanup couple of debug output statements
Problem Details: Tidying up some debug statements in brcms_c_ampdu_dotxstatus_complete() that got broken strings to satisfy checkpatch, but the rules changed. Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Reviewed-by: Alwin Beukers <alwin@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> ...
```diff diff --git a/drivers/net/wireless/brcm80211/brcmsmac/ampdu.c b/drivers/net/wireless/brcm80211/brcmsmac/ampdu.c index dbee69620a90..95b5902bc4b3 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/ampdu.c +++ b/drivers/net/wireless/brcm80211/brcmsmac/ampdu.c @@ -959,14 +959,13 @@ brcms_c_ampdu_dotxstatus_comple...
3bc7e29c984ffda0b6133c2b34233023ff36f370
Analyze and fix the following issue in the Linux kernel code: brcm80211: fmac: remove unnecessary NULL pointer check
Problem Details: In brcmf_usb_up() the variable devinfo was checked for being a NULL pointer, but this can not happen. Also the check was done after dereferencing the pointer. This patch removes the check. Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.co...
```diff diff --git a/drivers/net/wireless/brcm80211/brcmfmac/usb.c b/drivers/net/wireless/brcm80211/brcmfmac/usb.c index d4a9e8e7deb3..8616961a066e 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/usb.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/usb.c @@ -712,9 +712,6 @@ static int brcmf_usb_up(struct device *de...
ebecdcc12fed5d3c81853dea61a0a78a5aefab52
Analyze and fix the following issue in the Linux kernel code: rtlwifi: rtl8192c: Prevent sleeping from invalid context in rtl8192cu
Problem Details: When driver rtl8192cu is used with the debug level set to 3 or greater, the result is "sleeping function called from invalid context" due to an rcu_read_lock() call in the DM refresh routine in driver rtl8192c. This lock is not necessary as the USB driver does not use the struct being protected, thus t...
```diff diff --git a/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c b/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c index cb5535cf3ae2..8646ff2a55ce 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c +++ b/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c @@ -1201,13 +1201,18 @@ static void rtl92c_dm...
d665508b98d3cdbeb476e7d6848a513184a81ed0
Analyze and fix the following issue in the Linux kernel code: mac80211: fix the support of setting non-forwarding entity in Mesh
Problem Details: RANN, PREP and PERR propagation should happen only if the dot11MeshForwarding is true. Besides, data frame should not be forwarded if dot11MeshForwarding is false. This redundant checking is necessary to avoid the broadcasted ARP breaking the non-forwarding rule. Signed-off-by: Chun-Yeow Yeoh <yeohch...
```diff diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c index ae82ea75bc74..4a993f2d1ae1 100644 --- a/net/mac80211/mesh_hwmp.c +++ b/net/mac80211/mesh_hwmp.c @@ -619,6 +619,7 @@ static void hwmp_prep_frame_process(struct ieee80211_sub_if_data *sdata, struct ieee80211_mgmt *mgmt, u8 *p...