id
stringlengths
40
40
instruction
stringlengths
68
308
input
stringlengths
17
33.4k
output
stringlengths
100
30k
04d19ddd254b404703151ab25aa5041e50ff40f7
Analyze and fix the following issue in the Linux kernel code: ath9k: Fix bug in calibration initialization
Problem Details: This patch fixes a bug in ath9k_hw_init_cal() where the wrong calibration was being done for non-AR9285 chipsets. Also add a few helpful comments. Cc: stable@kernel.org Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/drivers/net/wireless/ath/ath9k/calib.c b/drivers/net/wireless/ath/ath9k/calib.c index 67375adf23c0..08f690279789 100644 --- a/drivers/net/wireless/ath/ath9k/calib.c +++ b/drivers/net/wireless/ath/ath9k/calib.c @@ -918,83 +918,66 @@ static bool ar9285_clc(struct ath_hw *ah, struct ath9k_channel *cha...
cbfe946860ffc718c5d99a6b740e33ac95fe8b8d
Analyze and fix the following issue in the Linux kernel code: ath9k: Use a consistent naming convention
Problem Details: This patch replaces old 'hal_' prefixes with 'ath9k_'. Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/drivers/net/wireless/ath/ath9k/calib.c b/drivers/net/wireless/ath/ath9k/calib.c index a0661bb96723..67375adf23c0 100644 --- a/drivers/net/wireless/ath/ath9k/calib.c +++ b/drivers/net/wireless/ath/ath9k/calib.c @@ -186,7 +186,7 @@ static bool getNoiseFloorThresh(struct ath_hw *ah, } static void ...
a451aa66dcb14efcb7addf1d8edcac8df76a97b6
Analyze and fix the following issue in the Linux kernel code: ath9k: Fix bug in determining calibration support
Problem Details: ADC gain calibration has to be done for all non 2GHZ-HT20 channels. Regression from "ath9k: use ieee80211_conf on ath9k_hw_iscal_supported()" Cc: stable@kernel.org Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/drivers/net/wireless/ath/ath9k/calib.c b/drivers/net/wireless/ath/ath9k/calib.c index d0b675562d40..3195c0b9a6a7 100644 --- a/drivers/net/wireless/ath/ath9k/calib.c +++ b/drivers/net/wireless/ath/ath9k/calib.c @@ -284,8 +284,8 @@ static bool ath9k_hw_iscal_supported(struct ath_hw *ah, return tru...
db2f63f60a087ed29ae04310c1076c61f77a5d20
Analyze and fix the following issue in the Linux kernel code: ath9k: Fix bug in checking HT flag
Problem Details: The operating HT mode is stored in chanmode and not channelFlags. Cc: stable@kernel.org Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/drivers/net/wireless/ath/ath9k/calib.c b/drivers/net/wireless/ath/ath9k/calib.c index e2d62e97131c..d0b675562d40 100644 --- a/drivers/net/wireless/ath/ath9k/calib.c +++ b/drivers/net/wireless/ath/ath9k/calib.c @@ -883,7 +883,7 @@ bool ath9k_hw_calibrate(struct ath_hw *ah, struct ath9k_channel *chan...
9c07a7777f44c7e39accec5ad8c4293d6a9b2a47
Analyze and fix the following issue in the Linux kernel code: ath9k: Fix bug in scan termination
Problem Details: A full HW reset needs to be done on termination of a scan run. Not setting SC_OP_FULL_RESET resulted in doing a fast channel change. Cc: stable@kernel.org Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index 1a9bf7ece4a5..b2d129f50339 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -2749,6 +2749,7 @@ static void ath9k_sw_scan_complete(struct ieee80211_hw *hw) mutex_loc...
675902ef822c114c0dac17ed10eed43eb8f5c9ec
Analyze and fix the following issue in the Linux kernel code: ath9k: Fix memleak on TX DMA failure
Problem Details: The driver-specific region has to be freed in case of a DMA mapping failure. Cc: stable@kernel.org Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index 628b780d8844..faf2cab49ea3 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -1572,8 +1572,9 @@ static int ath_tx_setup_buffer(struct ieee80211_hw *hw, struct ath_buf ...
d2f5b3a6778ae86fd93cb01ccac16aa0b079e441
Analyze and fix the following issue in the Linux kernel code: ath9k: Handle ASPM properly for RFKILL
Problem Details: Radio enable/disable have to handle ASPM state properly. This patch fixes it. Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index 8b6a7ea4e59b..1a9bf7ece4a5 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -1089,10 +1089,10 @@ void ath_radio_enable(struct ath_softc *sc) int r; ath9k_ps_wak...
a89bff9a78b2bf51e21a961b473b5be94b22f12e
Analyze and fix the following issue in the Linux kernel code: ath9k: reset after PCI FATAL/PERR interrupts
Problem Details: ath9k_hw_getisr() doesn't appear to set anything in the status mask for PCI FATAL or PERR interrupts (AR_INTR_SYNC_HOST1_FATAL/PERR), which the open-source HAL seems to do. This means that the card isn't reset after these interrupts. This patch seems to fix a problem where the wireless drops out with...
```diff diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index 24299e65fdcf..9cb85b0e9851 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -2976,6 +2976,7 @@ bool ath9k_hw_getisr(struct ath_hw *ah, enum ath9k_int *masked) DPRINTF(ah...
2d1f96dd90a20c25243cc3b13e9f21d72f00aba0
Analyze and fix the following issue in the Linux kernel code: b43legacy: Clean up beacon IRQ
Problem Details: This patch ports commit c97a4ccc1fad35d3 "b43: Fix beacon BH update" to b43legacy. It fixes beacon updating in the bottomhalf. In case the device is busy, we will defer to later in the IRQ handler. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Acked-by: Michael Buesch <mb@bu3sch.de> Tested-b...
```diff diff --git a/drivers/net/wireless/b43legacy/b43legacy.h b/drivers/net/wireless/b43legacy/b43legacy.h index ad4794a0a327..da59ef02b6ef 100644 --- a/drivers/net/wireless/b43legacy/b43legacy.h +++ b/drivers/net/wireless/b43legacy/b43legacy.h @@ -259,7 +259,6 @@ #define B43legacy_IRQ_ALL 0xFFFFFFFF #define B43...
7858e07b7ccf1d2fd5898a405c93d022d3f1f42d
Analyze and fix the following issue in the Linux kernel code: b43legacy: Fixes for beaconing
Problem Details: This patch ports the beaconing fixes from commit a82d992261f "b43: Beaconing fixes" to b43legacy. Basically it prevents the card from triggering the beacon IRQ over and over again. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Acked-by: Michael Buesch <mb@bu3sch.de> Tested-by: David Ellingsw...
```diff diff --git a/drivers/net/wireless/b43legacy/b43legacy.h b/drivers/net/wireless/b43legacy/b43legacy.h index 4cdde4ad17c0..ad4794a0a327 100644 --- a/drivers/net/wireless/b43legacy/b43legacy.h +++ b/drivers/net/wireless/b43legacy/b43legacy.h @@ -59,7 +59,8 @@ #define B43legacy_MMIO_XMITSTAT_1 0x174 #define B43l...
492301fb5d12e4a77a1010ad2b6f1ed306014123
Analyze and fix the following issue in the Linux kernel code: rfkill: Fix broken rfkill LED in 2.6.30-rc1
Problem Details: The rfkill system fails to issue a LED trigger event when the rfkill state changes. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/net/rfkill/rfkill.c b/net/rfkill/rfkill.c index df1269c5ca70..e2d4510623f2 100644 --- a/net/rfkill/rfkill.c +++ b/net/rfkill/rfkill.c @@ -96,6 +96,7 @@ static void update_rfkill_state(struct rfkill *rfkill) } mutex_unlock(&rfkill->mutex); } + rfkill_led_trigger(rfkill, rfkill->state); } ...
a2caba6b5fc4e046edfefb1db82f52b939b526a5
Analyze and fix the following issue in the Linux kernel code: libertas: fix warning about %zd:
Problem Details: drivers/net/wireless/libertas/rx.c: In function ‘lbs_process_rxed_packet’: drivers/net/wireless/libertas/rx.c:184: warning: format ‘%zd’ expects type ‘signed size_t’, but argument 4 has type ‘__le32’ drivers/net/wireless/libertas/rx.c:184: warning: format ‘%zd’ expects type ‘signed size_t’, but argumen...
```diff diff --git a/drivers/net/wireless/libertas/rx.c b/drivers/net/wireless/libertas/rx.c index bd845d09f174..65f02cc6752f 100644 --- a/drivers/net/wireless/libertas/rx.c +++ b/drivers/net/wireless/libertas/rx.c @@ -182,8 +182,8 @@ int lbs_process_rxed_packet(struct lbs_private *priv, struct sk_buff *skb) } lb...
a83b9141b540f96dd59409c6487828e880113a29
Analyze and fix the following issue in the Linux kernel code: iwlwifi: adding interrupt counter in debugfs for debugging
Problem Details: This patch adds interrupt statistics report to debugfs, this can help to understand number of interrupts happened which including HW/SW error for easier and better debugging. in /sys/kernel/debug/ieee80211/phyN/iwlagn/data directory use "cat interrupt" to view the current interrupt counter use "echo 0...
```diff diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index 9dda3d547d0d..12de63e9c720 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -911,6 +911,7 @@ void iwl_rx_handle(struct iwl_priv *priv) IWL_DEBUG_RX(priv, "r =...
1620108910b07bc41f4ad462ca56e899faf7e61a
Analyze and fix the following issue in the Linux kernel code: iwlcore: fix channel display in debugfs
Problem Details: Fix displaying of wrong channel information when user query channel through debugfs Signed-off-by: Mohamed Abbas <mohamed.abbas@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c index af1d1214b184..5b8c83939bf0 100644 --- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c +++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c @@ -389,7 +389,7 @@ static ssize_t iwl_dbgfs_channels_read(struct file *f...
ddfcf999274838a8dfb0ccf8e69fc1e50eea3341
Analyze and fix the following issue in the Linux kernel code: iwlwifi: do not set dual_stream_ant_msk for 3 streams
Problem Details: This patch fixes a bug introduced by commit "iwlwifi: adding MIMO3 support in rate scaling". We should not set the dual_stream_ant_msk (for 2x2 MIMO) when using a 3x3 rate, this will cause a SYSASSERT in uCode. Note: there is no triple_stream_ant_msk, because all three antennas are used. Signed-off-b...
```diff diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c index 786b11d52b45..98b6b37951b3 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c @@ -2666,9 +2666,6 @@ static void rs_fill_link_cmd(const struct iwl_priv *pri...
e45d8e534b67580eedd9b4910ccc16d6dd3cceff
Analyze and fix the following issue in the Linux kernel code: libertas: add support for Marvell SD8688 chip
Problem Details: libertas: add support for Marvell SD8688 chip Use RxPD->pkt_ptr to locate eth803 header in the packet received since SD8688/v10 firmware allows a gap between RxPD and eth803 header. Set SDIO block size to 256 for CMD53. The maximum block size for SD8688 WLAN function is set to 512 in TPLFE_MAX_BLK_SI...
```diff diff --git a/drivers/net/wireless/Kconfig b/drivers/net/wireless/Kconfig index 8f279e7bd049..ad99470ae92d 100644 --- a/drivers/net/wireless/Kconfig +++ b/drivers/net/wireless/Kconfig @@ -146,10 +146,10 @@ config LIBERTAS_CS A driver for Marvell Libertas 8385 CompactFlash devices. config LIBERTAS_SDIO - t...
6bad8766620a3c8b64afa981502fdb543e3cfd6c
Analyze and fix the following issue in the Linux kernel code: cfg80211: send regulatory beacon hint events to userspace
Problem Details: This informs userspace when a change has occured on a world roaming wiphy's channel which has lifted some restrictions due to a regulatory beacon hint. Because this is now sent to userspace through the regulatory multicast group we remove the debug prints we used to use as they are no longer necessary...
```diff diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h index 209cacee5285..05ba3539b77e 100644 --- a/include/linux/nl80211.h +++ b/include/linux/nl80211.h @@ -7,7 +7,7 @@ * Copyright 2008 Michael Wu <flamingice@sourmilk.net> * Copyright 2008 Luis Carlos Cobo <luisca@cozybit.com> * Copyright 2008 M...
3eb9296970e70902593b15ed3080e389954cf5f5
Analyze and fix the following issue in the Linux kernel code: iwlwifi: add debug messages when start aggregation queue
Problem Details: This patch adding few more debug messages if encounter error when driver try to start tx aggregation queue. Also change from IWL_ERR to IWL_DEBUG_HT is the HW legacy queue is empty when driver request to move to aggregation queue. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: Reine...
```diff diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c index 1f117a49c569..c734c5f7e976 100644 --- a/drivers/net/wireless/iwlwifi/iwl-tx.c +++ b/drivers/net/wireless/iwlwifi/iwl-tx.c @@ -1170,8 +1170,10 @@ int iwl_tx_agg_start(struct iwl_priv *priv, const u8 *ra, u16 tid, u16...
64cdb0e3b8a5e5393cb64328ce0c844b7cf3a40e
Analyze and fix the following issue in the Linux kernel code: ath5k: fix interpolation with equal power levels
Problem Details: When the EEPROM contains weird values for the power levels we have to fix the interpolation process. Signed-off-by: Fabio Rossi <rossi.f@inwind.it> Acked-by: Nick Kossifidis <mickflemm@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/drivers/net/wireless/ath/ath5k/phy.c b/drivers/net/wireless/ath/ath5k/phy.c index 9e2faae5ae94..b48b29dca3d2 100644 --- a/drivers/net/wireless/ath/ath5k/phy.c +++ b/drivers/net/wireless/ath/ath5k/phy.c @@ -1487,28 +1487,35 @@ ath5k_get_linear_pcdac_min(const u8 *stepL, const u8 *stepR, { s8 tmp;...
66174bbea0b9c5bd4b7d060fed26bf5ec912c422
Analyze and fix the following issue in the Linux kernel code: mac80211: Report rejected association to user space SME
Problem Details: When using nl80211 association, we need to send association response with a failure code to user space SME instead of just internally trying to send out the same (re)association request again couple of times. This fixes problems in association process getting stuck on a failure when user space is not n...
```diff diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 4ce5b9c22324..90267afa8e69 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -1374,6 +1374,11 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata, * association next time. This works around some broken APs ...
18a8365992a8041aa178ae9ad5f0d951d0457230
Analyze and fix the following issue in the Linux kernel code: cfg80211: introduce scan IE limit attribute
Problem Details: This patch introduces a new attribute for a wiphy that tells userspace how long the information elements added to a probe request frame can be at most. It also updates the at76 to advertise that it cannot support that, and, for now until I can fix that, iwlwifi too. Signed-off-by: Johannes Berg <johan...
```diff diff --git a/drivers/net/wireless/at76c50x-usb.c b/drivers/net/wireless/at76c50x-usb.c index 69248ded5102..55f947ac56d1 100644 --- a/drivers/net/wireless/at76c50x-usb.c +++ b/drivers/net/wireless/at76c50x-usb.c @@ -2250,6 +2250,7 @@ static int at76_init_new_device(struct at76_priv *priv, /* mac80211 initial...
75c2148fa5330c6de741fc96e3308f57d846a6b4
Analyze and fix the following issue in the Linux kernel code: ath5k: sparse fix ath5k_led_on needs to be static
Problem Details: drivers/net/wireless/ath/ath5k/led.c:81:6: warning: symbol 'ath5k_led_on' was not declared. Should it be static? Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/drivers/net/wireless/ath/ath5k/led.c b/drivers/net/wireless/ath/ath5k/led.c index 19555fb79c9b..006f7716168e 100644 --- a/drivers/net/wireless/ath/ath5k/led.c +++ b/drivers/net/wireless/ath/ath5k/led.c @@ -78,7 +78,7 @@ void ath5k_led_enable(struct ath5k_softc *sc) } } -void ath5k_led_on(struc...
6298c512bc1007c3ff5c9ce20e6996781651cc45
Analyze and fix the following issue in the Linux kernel code: x86, mce: make polling timer interval per CPU
Problem Details: The polling timer while running per CPU still uses a global next_interval variable, which lead to some CPUs either polling too fast or too slow. This was not a serious problem because all errors get picked up eventually, but it's still better to avoid it. Turn next_interval into a per cpu variable. ...
```diff diff --git a/arch/x86/kernel/cpu/mcheck/mce_64.c b/arch/x86/kernel/cpu/mcheck/mce_64.c index 863f89568b1a..82614f1b923a 100644 --- a/arch/x86/kernel/cpu/mcheck/mce_64.c +++ b/arch/x86/kernel/cpu/mcheck/mce_64.c @@ -452,13 +452,14 @@ void mce_log_therm_throt_event(__u64 status) */ static int check_interval ...
55a3757a5703ebc58612ffbfbcb7f193dae17df7
Analyze and fix the following issue in the Linux kernel code: iwlwifi: change check triggering device restart after rfkill change
Problem Details: The STATUS_ALIVE value cannot be used because it is cleared when interface is brought down and will not be set if rfkill is enabled when interface is started again. The interface can thus not be brought up if rfkill was enabled before stopping the interface and disabled after starting the interface. C...
```diff diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c index 7609bfced10f..82abb1f9087f 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.c +++ b/drivers/net/wireless/iwlwifi/iwl-core.c @@ -2054,7 +2054,7 @@ void iwl_bg_rf_kill(struct work_struct *work) "HW and/or ...
dce072580e095d1fb7be59a1be30dc0e8307821b
Analyze and fix the following issue in the Linux kernel code: p54: more SoftLED updates
Problem Details: This patch hopefully finishes the SoftLED code: - It adds two more LEDs (rx and radio). (the FW claims it can support up to 16 LEDs, but I doubt that any vendor put more than 4 on a board) - update the LEDs in a _delayed_ workqueue. No one reported any more crashes. (see: "PATCH] p54: fix race...
```diff diff --git a/drivers/net/wireless/p54/p54.h b/drivers/net/wireless/p54/p54.h index 04d95a143383..4499035359a6 100644 --- a/drivers/net/wireless/p54/p54.h +++ b/drivers/net/wireless/p54/p54.h @@ -125,6 +125,7 @@ struct p54_led_dev { struct led_classdev led_dev; char name[P54_LED_MAX_NAME_LEN + 1]; + unsign...
42639fcd443d97a9a471f4b8269620286dd7036b
Analyze and fix the following issue in the Linux kernel code: ath5k: reduce exported channel list
Problem Details: Claiming every available 5 ghz channel has a couple of negative side-effects: scanning takes a long time, and the channel list overflows the available buffer space for netlink commands, resulting in: $ iw phy phy0 info command failed: No buffer space available (-105) This patch adds a modpara...
```diff diff --git a/drivers/net/wireless/ath5k/base.c b/drivers/net/wireless/ath5k/base.c index a08bc8a4fb69..d8c60c53d953 100644 --- a/drivers/net/wireless/ath5k/base.c +++ b/drivers/net/wireless/ath5k/base.c @@ -64,6 +64,10 @@ static int modparam_nohwcrypt; module_param_named(nohwcrypt, modparam_nohwcrypt, int, 044...
f5c38ef06e005705ef87b7a77752c183bacb94cc
Analyze and fix the following issue in the Linux kernel code: ath9k: Fix bug in determining HT40 mode
Problem Details: This patch fixes a bug in checking for HT40 mode. The STA's mode can be determined from the cached HT capabilities, use that and remove the redundant variable 'rc_phy_mode'. Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/drivers/net/wireless/ath9k/rc.c b/drivers/net/wireless/ath9k/rc.c index a6933ccab483..a13668b9b6dc 100644 --- a/drivers/net/wireless/ath9k/rc.c +++ b/drivers/net/wireless/ath9k/rc.c @@ -1321,7 +1321,7 @@ static void ath_rc_tx_status(struct ath_softc *sc, * 40 to 20 => don't update */ i...
87792efc7d20a21844eb7f4247e7b9027e783ec0
Analyze and fix the following issue in the Linux kernel code: ath9k: Trivial fix to handle AMPDU params properly
Problem Details: Handle aggregation params only when aggregation is supported. Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/drivers/net/wireless/ath9k/main.c b/drivers/net/wireless/ath9k/main.c index 0917def0e081..99a6852871e2 100644 --- a/drivers/net/wireless/ath9k/main.c +++ b/drivers/net/wireless/ath9k/main.c @@ -434,12 +434,12 @@ static void ath_node_attach(struct ath_softc *sc, struct ieee80211_sta *sta) an = (...
1ffb0610be915650cff44c69dc6728215eae08c0
Analyze and fix the following issue in the Linux kernel code: ath9k: Initialize values when setting up the queue parameters
Problem Details: Also fix a small typo. Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/drivers/net/wireless/ath9k/main.c b/drivers/net/wireless/ath9k/main.c index 0c1cc2d62a80..0917def0e081 100644 --- a/drivers/net/wireless/ath9k/main.c +++ b/drivers/net/wireless/ath9k/main.c @@ -922,7 +922,7 @@ static void ath9k_bss_assoc_info(struct ath_softc *sc, mod_timer(&sc->ani.timer, ...
eef7a57430c83b0419ba943bb1650ed5c349d454
Analyze and fix the following issue in the Linux kernel code: ath9k: Change return value of ath9k_hw_fill_cap_info
Problem Details: This routine always return true, checking for false in the return value is invalid. Fix this. Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/drivers/net/wireless/ath9k/hw.c b/drivers/net/wireless/ath9k/hw.c index 169d8efa69dc..4ad1508e4752 100644 --- a/drivers/net/wireless/ath9k/hw.c +++ b/drivers/net/wireless/ath9k/hw.c @@ -837,11 +837,7 @@ static struct ath_hw *ath9k_hw_do_attach(u16 devid, struct ath_softc *sc, if (AR_SREV_9280_20(...
d8baa9392666d1c50ef42e9f6fbbb0cf536327b9
Analyze and fix the following issue in the Linux kernel code: ath9k: Cleanup debug messages
Problem Details: Clean debug messages to use appropriate levels, remove useless messages, and trim the number of debug levels. Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/drivers/net/wireless/ath9k/ani.c b/drivers/net/wireless/ath9k/ani.c index 6c5e887d50d7..1aeafb511ddd 100644 --- a/drivers/net/wireless/ath9k/ani.c +++ b/drivers/net/wireless/ath9k/ani.c @@ -569,8 +569,7 @@ void ath9k_hw_ani_monitor(struct ath_hw *ah, DPRINTF(ah->ah_sc, ATH_DBG_ANI, "phyC...
a57e2e84b65d1b89c4b1effeceb27b181226b950
Analyze and fix the following issue in the Linux kernel code: rt2x00: Fix Sparse warning
Problem Details: rt2x00link_reset_qual() is not declared in a header, and is only internally used within rt2x00link.c. It should be declared as static. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/drivers/net/wireless/rt2x00/rt2x00link.c b/drivers/net/wireless/rt2x00/rt2x00link.c index 7eb5cd7e5f32..eb9b981b9139 100644 --- a/drivers/net/wireless/rt2x00/rt2x00link.c +++ b/drivers/net/wireless/rt2x00/rt2x00link.c @@ -387,7 +387,7 @@ void rt2x00link_reset_tuner(struct rt2x00_dev *rt2x00dev, boo...
32c1628f153a5468cf48be5e5c04cd599ae9e01d
Analyze and fix the following issue in the Linux kernel code: ar9170: fix hang on stop
Problem Details: This patch fixes a locking problem which freezes the network core. The deadlock goes as follows: - ar9170_op_stop - is called 1. change the state to IDLE 2. > take the MUTEX < 3. cancel_SYNC all pending work, which means "block until a work_struct's callback has terminated" => if filter_config_wo...
```diff diff --git a/drivers/net/wireless/ar9170/main.c b/drivers/net/wireless/ar9170/main.c index 5996ff9f7f47..5f55754d968f 100644 --- a/drivers/net/wireless/ar9170/main.c +++ b/drivers/net/wireless/ar9170/main.c @@ -742,8 +742,9 @@ static void ar9170_op_stop(struct ieee80211_hw *hw) if (IS_STARTED(ar)) ar->stat...
807e37394b5a1dc23a2908b59f34edbbae67e9ea
Analyze and fix the following issue in the Linux kernel code: ath5k: fix scanning in AR2424
Problem Details: AR5K_PHY_PLL_40MHZ_5413 should not be ORed with AR5K_PHY_MODE_RAD_RF5112 for 5 GHz channels. The incorrect PLL value breaks scanning in the countries where 5 GHz channels are allowed. Signed-off-by: Pavel Roskin <proski@gnu.org> Acked-by: Nick Kossifidis <mickflemm@gmail.com> Signed-off-by: John W. L...
```diff diff --git a/drivers/net/wireless/ath5k/reset.c b/drivers/net/wireless/ath5k/reset.c index cb5e15f97095..775fdf78554b 100644 --- a/drivers/net/wireless/ath5k/reset.c +++ b/drivers/net/wireless/ath5k/reset.c @@ -358,7 +358,7 @@ int ath5k_hw_nic_wakeup(struct ath5k_hw *ah, int flags, bool initial) mode |= AR5...
c1c6b14b22af0f85d05a70405dc3fba5de840c7b
Analyze and fix the following issue in the Linux kernel code: rfkill: remove deprecated state constants
Problem Details: I only did superficial review, but these constants are stupid to have and without proper warnings nobody will review the code anyway, no amount of shouting will help. Also fix wimax to use correct states. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linvil...
```diff diff --git a/arch/arm/mach-pxa/tosa-bt.c b/arch/arm/mach-pxa/tosa-bt.c index fb0294bd4310..bde42aa29374 100644 --- a/arch/arm/mach-pxa/tosa-bt.c +++ b/arch/arm/mach-pxa/tosa-bt.c @@ -38,9 +38,9 @@ static void tosa_bt_off(struct tosa_bt_data *data) static int tosa_bt_toggle_radio(void *data, enum rfkill_state s...
b0741a1a2b00d9b4d88ba60016c88e42f176e4d6
Analyze and fix the following issue in the Linux kernel code: mac80211: Don't access managed mode bits in non-managed mode
Problem Details: This fixes a stupid bug introduced in 25f85c31d4f.. Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/net/mac80211/wext.c b/net/mac80211/wext.c index 959aa8379ccf..a52fb3a4a455 100644 --- a/net/mac80211/wext.c +++ b/net/mac80211/wext.c @@ -675,7 +675,7 @@ static int ieee80211_ioctl_siwencode(struct net_device *dev, !sdata->default_key, keybuf, erq->length); - if (!ret) { + if (!ret && sdata...
9f201a87831af9458df1eda65941c955f2da87ed
Analyze and fix the following issue in the Linux kernel code: p54spi: compensate firmware alignment bug in p54spi_rx
Problem Details: Firmware may insert up to 4 padding bytes after the lmac header, but it does not amend the size of SPI data transfer. Such packets has correct data size in header, thus referencing past the end of allocated skb. Put extra 4 bytes to the end of the received skb to compensate for this case. Signed-off-b...
```diff diff --git a/drivers/net/wireless/p54/p54spi.c b/drivers/net/wireless/p54/p54spi.c index f8af09610180..52023127cf37 100644 --- a/drivers/net/wireless/p54/p54spi.c +++ b/drivers/net/wireless/p54/p54spi.c @@ -395,7 +395,12 @@ static int p54spi_rx(struct p54s_priv *priv) return 0; } - skb = dev_alloc_skb(le...
4f5cab969bdbec1ab0c5b690282372b4978123ac
Analyze and fix the following issue in the Linux kernel code: p54spi: fix p54spi_tx_frame DMA transfer initiation and skb cleanup
Problem Details: p54spi_tx_frame wasn't waiting for HOST_ALLOWED in SPI_ADRS_DMA_WRITE_CTRL. This resulted in frequent 'WR_READY timeout' on beacon resubmission. Also don't free skb on error path, as it gets freed on p54spi_wq_tx. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Acked-by: Christian Lamparter <chunkee...
```diff diff --git a/drivers/net/wireless/p54/p54spi.c b/drivers/net/wireless/p54/p54spi.c index bed894ae04b5..f8af09610180 100644 --- a/drivers/net/wireless/p54/p54spi.c +++ b/drivers/net/wireless/p54/p54spi.c @@ -179,6 +179,25 @@ static int p54spi_wait_bit(struct p54s_priv *priv, u16 reg, __le32 bits) return 0; } ...
5e3af1d2d3e6c0011b4c22514d39c73dcbc6674f
Analyze and fix the following issue in the Linux kernel code: p54spi: fix p54spi_upload_firmware
Problem Details: Instead of firmware itself p54_upload_firmware was sending to the device content of struct firmware and the following random garbage. Notice '&' before priv->firmware->data at p54spi_spi_write. But simple removing of '&' sign triggered BUG_ON at dma_cache_maint. Thus kmemdup - kfree workaround. Signe...
```diff diff --git a/drivers/net/wireless/p54/p54spi.c b/drivers/net/wireless/p54/p54spi.c index 55402729d21b..bed894ae04b5 100644 --- a/drivers/net/wireless/p54/p54spi.c +++ b/drivers/net/wireless/p54/p54spi.c @@ -228,8 +228,15 @@ static int p54spi_request_eeprom(struct ieee80211_hw *dev) static int p54spi_upload_fir...
2d138ae09935cec055f65d18300727a7a46d92b9
Analyze and fix the following issue in the Linux kernel code: scsi: a4000 - Correct driver unregistration in case of failure
Problem Details: commit 7a192ec334cab9fafe3a8665a65af398b0e24730 ("platform driver: fix incorrect use of 'platform_bus_type' with 'struct device_driver') turned a driver_UNregister into platform_driver_REGISTER. Correct this to platform_driver_UNregister. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
```diff diff --git a/drivers/scsi/a4000t.c b/drivers/scsi/a4000t.c index 61af3d91ac8a..e3519fa5a3ba 100644 --- a/drivers/scsi/a4000t.c +++ b/drivers/scsi/a4000t.c @@ -129,7 +129,7 @@ static int __init a4000t_scsi_init(void) a4000t_scsi_device = platform_device_register_simple("a4000t-scsi", -1, NULL, 0); if (IS...
83cff839268feb2f31ae7667b9b2b7641dc10575
Analyze and fix the following issue in the Linux kernel code: mediabay: fix build for CONFIG_BLOCK=n
Problem Details: On Tuesday 14 April 2009 20:31:21 Subrata Modak wrote: > Observed the following build error: > --- > CC drivers/macintosh/mediabay.o > In file included from drivers/macintosh/mediabay.c:21: > include/linux/ide.h:605: error: field ‘request_sense_rq’ has incomplete > type > make[2]: *** [drivers/mac...
```diff diff --git a/drivers/macintosh/mediabay.c b/drivers/macintosh/mediabay.c index d7e46d345d9e..eca55ef185b5 100644 --- a/drivers/macintosh/mediabay.c +++ b/drivers/macintosh/mediabay.c @@ -18,7 +18,6 @@ #include <linux/timer.h> #include <linux/stddef.h> #include <linux/init.h> -#include <linux/ide.h> #include...
a1f9a89c90b4ac143c5b6054c2a157572b272cd2
Analyze and fix the following issue in the Linux kernel code: ide-cd: fix kernel crash on hppa regression
Problem Details: With 2.6.30-rc2 I face a kernel crash on the 32bit hppa architecture due to ide-cd when udev creates the device nodes at startup: Kernel Fault: Code=26 regs=8ed34c40 (Addr=00000024) IASQ: 00000000 00000000 IAOQ: 1034b5ac 1034b5b0 IIR: 4ab30048 ISR: 00000000 IOR: 00000024 CPU: 0 CR30: 8...
```diff diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index 3aec19d1fdfc..3d4e09969763 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -609,7 +609,7 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive) struct request *rq = hwif->rq; ide_expiry_t *expiry = NULL; int dma_error =...
db2f38c22ea3f545be3b5772e5f9dc5861b74536
Analyze and fix the following issue in the Linux kernel code: palm_bk3710: UDMA performance fix
Problem Details: Fix UDMA throughput bug: tCYC averages t2CYCTYP/2, but the code previously assumed it was the same as t2CYCTYP. (That is, it was using just one clock edge, not both.) Move the table's type declaration so it's adjacent to the table, making it more clear what those numbers mean. On one system this ch...
```diff diff --git a/drivers/ide/palm_bk3710.c b/drivers/ide/palm_bk3710.c index c7acca0b8733..d1513b4a457c 100644 --- a/drivers/ide/palm_bk3710.c +++ b/drivers/ide/palm_bk3710.c @@ -39,14 +39,6 @@ /* Primary Control Offset */ #define IDE_PALM_ATA_PRI_CTL_OFFSET 0x3F6 -/* - * PalmChip 3710 IDE Controller UDMA timin...
c5428e950ad42640f00092949fd17e356dfdeafa
Analyze and fix the following issue in the Linux kernel code: uv_time: add parameter to uv_read_rtc()
Problem Details: uv_read_rtc() is referenced by read member of struct clocksource clocksource_uv. In include/linux/clocksource.h, read of struct clocksource is declared as: cycle_t (*read)(struct clocksource *cs) This got introduced recently in: 8e19608: clocksource: pass clocksource to read() callback But arch/x...
```diff diff --git a/arch/x86/kernel/uv_time.c b/arch/x86/kernel/uv_time.c index 2ffb6c53326e..583f11d5c480 100644 --- a/arch/x86/kernel/uv_time.c +++ b/arch/x86/kernel/uv_time.c @@ -29,7 +29,7 @@ #define RTC_NAME "sgi_rtc" -static cycle_t uv_read_rtc(void); +static cycle_t uv_read_rtc(struct clocksource *cs); s...
7a6f9cbb37120c745fc187083fb5c3de4dca4f97
Analyze and fix the following issue in the Linux kernel code: x86: hpet: fix periodic mode programming on AMD 81xx
Problem Details: (See http://bugzilla.kernel.org/show_bug.cgi?id=12961) It partially reverts commit c23e253e67c9d8a91a0ffa33c1f571a17f0a2403 (x86: hpet: stop HPET_COUNTER when programming periodic mode) HPET on AMD 81xx chipset needs a second write (with HPET_TN_SETVAL cleared) to T0_CMP register to set the period in...
```diff diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c index 3f0019e0a229..81408b93f887 100644 --- a/arch/x86/kernel/hpet.c +++ b/arch/x86/kernel/hpet.c @@ -236,6 +236,10 @@ static void hpet_stop_counter(void) unsigned long cfg = hpet_readl(HPET_CFG); cfg &= ~HPET_CFG_ENABLE; hpet_writel(cfg, HPET_C...
4cd481f68dde99ac416003b825c835f71e364393
Analyze and fix the following issue in the Linux kernel code: KVM: Fix overlapping check for memory slots
Problem Details: When checking for overlapping slots on registration of a new one, kvm currently also considers zero-length (ie. deleted) slots and rejects requests incorrectly. This finally denies user space from joining slots. Fix the check by skipping deleted slots and advertise this via a KVM_CAP_JOIN_MEMORY_REGION...
```diff diff --git a/include/linux/kvm.h b/include/linux/kvm.h index 311a073afe8a..8cc137911b34 100644 --- a/include/linux/kvm.h +++ b/include/linux/kvm.h @@ -409,6 +409,8 @@ struct kvm_trace_rec { #ifdef __KVM_HAVE_DEVICE_ASSIGNMENT #define KVM_CAP_DEVICE_DEASSIGNMENT 27 #endif +/* Another bug in KVM_SET_USER_MEMOR...
bf47a760f66add7870fba33ab50f58b550d6bbd1
Analyze and fix the following issue in the Linux kernel code: KVM: MMU: disable global page optimization
Problem Details: Complexity to fix it not worthwhile the gains, as discussed in http://article.gmane.org/gmane.comp.emulators.kvm.devel/28649. Cc: stable@kernel.org Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by: Avi Kivity <avi@redhat.com>
```diff diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 2a36f7f7c4c7..b6caf1329b1b 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -1248,7 +1248,7 @@ static struct kvm_mmu_page *kvm_mmu_get_page(struct kvm_vcpu *vcpu, pgprintk("%s: adding gfn %lx role %x\n", __func__, gfn, role.word); sp->gfn...
d24d2c1cc4156102f9df9cd0425d58cabf955519
Analyze and fix the following issue in the Linux kernel code: KVM: ia64: fix locking order entering guest
Problem Details: Reorder locking as down_read() may return with local interrupts enabled, which means we could go into vti_vcpu_run() with interrupts enabled. This caused random crashes on the Altix as the timer interrupt tried to read a memory mapped clock source, for which the TLB had not yet been reinstated in the ...
```diff diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c index 28af6a731bb8..d20a5db4c4dd 100644 --- a/arch/ia64/kvm/kvm-ia64.c +++ b/arch/ia64/kvm/kvm-ia64.c @@ -610,20 +610,22 @@ static int __vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) int r; again: - preempt_disable(); - local_irq_d...
99894a799f09cf9e28296bb16e75bd5830fd2c4e
Analyze and fix the following issue in the Linux kernel code: KVM: MMU: Fix off-by-one calculating large page count
Problem Details: The large page initialization code concludes there are two large pages spanned by a slot covering 1 (small) page starting at gfn 1. This is incorrect, and also results in incorrect write_count initialization in some cases (base = 1, npages = 513 for example). Cc: stable@kernel.org Signed-off-by: Avi ...
```diff diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 605697e9c4dd..28d693a1ee8f 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -920,6 +920,7 @@ int __kvm_set_memory_region(struct kvm *kvm, int r; gfn_t base_gfn; unsigned long npages; + int largepages; unsigned long i; struct kvm...
956d039a2537cf79ca608450d36cc70e0e515482
Analyze and fix the following issue in the Linux kernel code: sparc: Fix bus type probing for ESP and LE devices.
Problem Details: If there is a dummy "espdma" or "ledma" parent device above ESP scsi or LE ethernet device nodes, we have to match the bus as SBUS. Otherwise the address and size cell counts are wrong and we don't calculate the final physical device resource values correctly at all. Commit 5280267c1dddb8d413595b87dc...
```diff diff --git a/arch/sparc/kernel/of_device_32.c b/arch/sparc/kernel/of_device_32.c index 0a83bd737654..c8f14c1dc521 100644 --- a/arch/sparc/kernel/of_device_32.c +++ b/arch/sparc/kernel/of_device_32.c @@ -246,8 +246,25 @@ static unsigned long of_bus_pci_get_flags(const u32 *addr, unsigned long flags) static in...
ccb077fd466ec3f35662d6c66412b42b36e11bc3
Analyze and fix the following issue in the Linux kernel code: ASoC: Fix WM8580 volume update handling for large register changes
Problem Details: The driver is out of sync with the core functions it is using. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
```diff diff --git a/sound/soc/codecs/wm8580.c b/sound/soc/codecs/wm8580.c index 41aab4a7a254..9f6be3d31ac0 100644 --- a/sound/soc/codecs/wm8580.c +++ b/sound/soc/codecs/wm8580.c @@ -268,9 +268,11 @@ static const DECLARE_TLV_DB_SCALE(dac_tlv, -12750, 50, 1); static int wm8580_out_vu(struct snd_kcontrol *kcontrol, ...
7a4f453b6d7379a7c380825949977c5a838aa012
Analyze and fix the following issue in the Linux kernel code: tracing/events: make struct trace_entry->type to be int type
Problem Details: struct trace_entry->type is unsigned char, while trace event's id is int type, thus for a event with id >= 256, it's entry->type is cast to (id % 256), and then we can't see the trace output of this event. # insmod trace-events-sample.ko # echo foo_bar > /mnt/tracing/set_event # cat /debug/tracing/...
```diff diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h index 75f3ac01a87c..2a4a40749911 100644 --- a/include/linux/ftrace_event.h +++ b/include/linux/ftrace_event.h @@ -16,7 +16,7 @@ struct dentry; * bash-15816 [01] 235.197585: idle_cpu <- irq_enter */ struct trace_entry { - unsigne...
29fe1b481283a1bada994a69f65736db4ae6f35f
Analyze and fix the following issue in the Linux kernel code: netfilter: ctnetlink: fix gcc warning during compilation
Problem Details: This patch fixes a (bogus?) gcc warning during compilation: net/netfilter/nf_conntrack_netlink.c:1234: warning: 'helpname' may be used uninitialized in this function net/netfilter/nf_conntrack_netlink.c:991: warning: 'helpname' may be used uninitialized in this function In fact, helpname is initializ...
```diff diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c index 0ea36e0c8a0e..f13fc57e1ecb 100644 --- a/net/netfilter/nf_conntrack_netlink.c +++ b/net/netfilter/nf_conntrack_netlink.c @@ -988,7 +988,7 @@ ctnetlink_change_helper(struct nf_conn *ct, struct nlattr *cda[]) { struct...
13a791b4e63eb0537a7f804a340d6527485983b4
Analyze and fix the following issue in the Linux kernel code: eCryptfs: Fix data corruption when using ecryptfs_passthrough
Problem Details: ecryptfs_passthrough is a mount option that allows eCryptfs to allow data to be written to non-eCryptfs files in the lower filesystem. The passthrough option was causing data corruption due to it not always being treated as a non-eCryptfs file. The first 8 bytes of an eCryptfs file contains the decry...
```diff diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c index 8b65f289ee00..b91851f1cda3 100644 --- a/fs/ecryptfs/crypto.c +++ b/fs/ecryptfs/crypto.c @@ -483,15 +483,7 @@ int ecryptfs_encrypt_page(struct page *page) ecryptfs_inode = page->mapping->host; crypt_stat = &(ecryptfs_inode_to_private(ecryptfs_...
57ea34d19963781d05eb12f9b31bd4f70d61ec16
Analyze and fix the following issue in the Linux kernel code: eCryptfs: NULL pointer dereference in ecryptfs_send_miscdev()
Problem Details: If data is NULL, msg_ctx->msg is set to NULL and then dereferenced afterwards. ecryptfs_send_raw_message() is the only place that ecryptfs_send_miscdev() is called with data being NULL, but the only caller of that function (ecryptfs_process_helo()) is never called. In short, there is currently no way...
```diff diff --git a/fs/ecryptfs/messaging.c b/fs/ecryptfs/messaging.c index 295e7fa56755..f1c17e87c5fb 100644 --- a/fs/ecryptfs/messaging.c +++ b/fs/ecryptfs/messaging.c @@ -133,45 +133,6 @@ out: return rc; } -static int -ecryptfs_send_message_locked(char *data, int data_len, u8 msg_type, - struct ecryptfs...
cc29c70dd581f85ee7a3e7980fb031f90b90a2ab
Analyze and fix the following issue in the Linux kernel code: net/netrom: Fix socket locking
Problem Details: Patch "af_rose/x25: Sanity check the maximum user frame size" (commit 83e0bbcbe2145f160fbaa109b0439dae7f4a38a9) from Alan Cox got locking wrong. If we bail out due to user frame size being too large, we must unlock the socket beforehand. Signed-off-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Da...
```diff diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c index 4e705f87969f..3be0e016ab7d 100644 --- a/net/netrom/af_netrom.c +++ b/net/netrom/af_netrom.c @@ -1084,8 +1084,10 @@ static int nr_sendmsg(struct kiocb *iocb, struct socket *sock, /* Build a packet - the conventional user limit is 236 bytes. W...
50b2ff1bc47baacb8e9882b2b2a74b240ddbeecf
Analyze and fix the following issue in the Linux kernel code: netlabel: Always remove the correct address selector
Problem Details: The NetLabel address selector mechanism has a problem where it can get mistakenly remove the wrong selector when similar addresses are used. The problem is caused when multiple addresses are configured that have different netmasks but the same address, e.g. 127.0.0.0/8 and 127.0.0.0/24. This patch fi...
```diff diff --git a/net/netlabel/netlabel_addrlist.c b/net/netlabel/netlabel_addrlist.c index 834c6eb7f484..c0519139679e 100644 --- a/net/netlabel/netlabel_addrlist.c +++ b/net/netlabel/netlabel_addrlist.c @@ -256,13 +256,11 @@ struct netlbl_af4list *netlbl_af4list_remove(__be32 addr, __be32 mask, { struct netlbl_a...
cef309cf6112f9a44b1ebcefc1641d01d35c83dc
Analyze and fix the following issue in the Linux kernel code: ucc_geth.c: Fix upsmr setting in RMII mode
Problem Details: If using the UCC on a MPC8360 in RMII mode, don;t set UCC_GETH_UPSMR_RPM bit in the upsmr register. Signed-off-by: Heiko Schocher <hs@denx.de> Acked-by: Li Yang <leoli@freescale.com> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/drivers/net/ucc_geth.c b/drivers/net/ucc_geth.c index d3f39e86eb95..44f8392da117 100644 --- a/drivers/net/ucc_geth.c +++ b/drivers/net/ucc_geth.c @@ -1394,7 +1394,8 @@ static int adjust_enet_interface(struct ucc_geth_private *ugeth) (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_RXID) || ...
3f9738f73ad08ef770df64f145007bd27ac2fa16
Analyze and fix the following issue in the Linux kernel code: 8139too: fix HW initial flow
Problem Details: While ifconfig eth0 up kernel calls open() of 8139 driver(8139too.c). In rtl8139_hw_start() of rtl8139_open(), 8139 driver enable RX before setting up the DMA buffer address. In this interval where RX was enabled and DMA buffer address is not yet set up, any incoming broadcast packet would be send to a...
```diff diff --git a/drivers/net/8139too.c b/drivers/net/8139too.c index 29df398b7727..1fc45431a620 100644 --- a/drivers/net/8139too.c +++ b/drivers/net/8139too.c @@ -1383,6 +1383,11 @@ static void rtl8139_hw_start (struct net_device *dev) RTL_W32_F (MAC0 + 0, le32_to_cpu (*(__le32 *) (dev->dev_addr + 0))); RTL_W32...
3fa6b5adbe46b3d665267dee0f879858ab464f44
Analyze and fix the following issue in the Linux kernel code: af_iucv: Fix race when queuing incoming iucv messages
Problem Details: AF_IUCV runs into a race when queuing incoming iucv messages and receiving the resulting backlog. If the Linux system is under pressure (high load or steal time), the message queue grows up, but messages are not received and queued onto the backlog queue. In that case, applications do not receive any ...
```diff diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c index 9cfdaaddc5b2..b51c9187c347 100644 --- a/net/iucv/af_iucv.c +++ b/net/iucv/af_iucv.c @@ -1124,6 +1124,8 @@ static void iucv_callback_rx(struct iucv_path *path, struct iucv_message *msg) return; } + spin_lock(&iucv->message_q.lock); + if (!list_e...
60d3705fcbfe7deca8e94bc7ddecd6f9f1a4647e
Analyze and fix the following issue in the Linux kernel code: af_iucv: fix oops in iucv_sock_recvmsg() for MSG_PEEK flag
Problem Details: If iucv_sock_recvmsg() is called with MSG_PEEK flag set, the skb is enqueued twice. If the socket is then closed, the pointer to the skb is freed twice. Remove the skb_queue_head() call for MSG_PEEK, because the skb_recv_datagram() function already handles MSG_PEEK (does not dequeue the skb). Signed-...
```diff diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c index 2941ee50393b..42b3be302c57 100644 --- a/net/iucv/af_iucv.c +++ b/net/iucv/af_iucv.c @@ -814,6 +814,8 @@ static int iucv_sock_recvmsg(struct kiocb *iocb, struct socket *sock, target = sock_rcvlowat(sk, flags & MSG_WAITALL, len); + /* receive/dequeu...
a9e9dc24bbc3e084450a22cf4fb82f5f5d4cbeea
Analyze and fix the following issue in the Linux kernel code: bio: use bio_kmalloc() in copy/map functions
Problem Details: Impact: remove possible deadlock condition There is no reason to use mempool backed allocation for map functions. Also, because kern mapping is used inside LLDs (e.g. for EH), using mempool backed allocation can lead to deadlock under extreme conditions (mempool already consumed by the time a request ...
```diff diff --git a/fs/bio.c b/fs/bio.c index d35588fd6d57..7bbc98f0eda1 100644 --- a/fs/bio.c +++ b/fs/bio.c @@ -822,7 +822,7 @@ struct bio *bio_copy_user_iov(struct request_queue *q, return ERR_PTR(-ENOMEM); ret = -ENOMEM; - bio = bio_alloc(gfp_mask, nr_pages); + bio = bio_kmalloc(gfp_mask, nr_pages); if (!...
451a9ebf653d28337ba53ed5b4b70b0b9543cca1
Analyze and fix the following issue in the Linux kernel code: bio: fix bio_kmalloc()
Problem Details: Impact: fix bio_kmalloc() and its destruction path bio_kmalloc() was broken in two ways. * bvec_alloc_bs() first allocates bvec using kmalloc() and then ignores it and allocates again like non-kmalloc bvecs. * bio_kmalloc_destructor() didn't check for and free bio integrity data. This patch fix...
```diff diff --git a/fs/bio.c b/fs/bio.c index cd42bb882f30..d35588fd6d57 100644 --- a/fs/bio.c +++ b/fs/bio.c @@ -174,14 +174,6 @@ struct bio_vec *bvec_alloc_bs(gfp_t gfp_mask, int nr, unsigned long *idx, { struct bio_vec *bvl; - /* - * If 'bs' is given, lookup the pool and do the mempool alloc. - * If not, thi...
cd0aca2d550f238d80ba58e7dcade4ea3d0a3aa7
Analyze and fix the following issue in the Linux kernel code: block: fix queue bounce limit setting
Problem Details: Impact: don't set GFP_DMA in q->bounce_gfp unnecessarily All DMA address limits are expressed in terms of the last addressable unit (byte or page) instead of one plus that. However, when determining bounce_gfp for 64bit machines in blk_queue_bounce_limit(), it compares the specified limit against 0x1...
```diff diff --git a/block/blk-settings.c b/block/blk-settings.c index 69c42adde52b..57af728d94bb 100644 --- a/block/blk-settings.c +++ b/block/blk-settings.c @@ -156,26 +156,28 @@ EXPORT_SYMBOL(blk_queue_make_request); /** * blk_queue_bounce_limit - set bounce buffer limit for queue - * @q: the request queue for...
25636e282fe95508cae96bb27f86407aef935817
Analyze and fix the following issue in the Linux kernel code: block: fix SG_IO vector request data length handling
Problem Details: Impact: fix SG_IO behavior such that it matches the documentation SG_IO howto says that if ->dxfer_len and sum of iovec disagress, the shorter one wins. However, the current implementation returns -EINVAL for such cases. Trim iovc if it's longer than ->dxfer_len. This patch uses iov_*() helpers whi...
```diff diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c index 84b7f8709f41..82a0ca2f6729 100644 --- a/block/scsi_ioctl.c +++ b/block/scsi_ioctl.c @@ -290,6 +290,7 @@ static int sg_io(struct request_queue *q, struct gendisk *bd_disk, if (hdr->iovec_count) { const int size = sizeof(struct sg_iovec) * hdr->iov...
23c560a99d78bddf5c251bfa97bce19e4da4b3f3
Analyze and fix the following issue in the Linux kernel code: scatterlist: make sure sg_miter_next() doesn't return 0 sized mappings
Problem Details: Impact: fix not-so-critical but annoying bug sg_miter_next() returns 0 sized mapping if there is an zero sized sg entry in the list or at the end of each iteration. As the users always check the ->length field, this bug shouldn't be critical other than causing unnecessary iteration. Fix it. Signed-...
```diff diff --git a/lib/scatterlist.c b/lib/scatterlist.c index b7b449dafbe5..a295e404e908 100644 --- a/lib/scatterlist.c +++ b/lib/scatterlist.c @@ -347,9 +347,12 @@ bool sg_miter_next(struct sg_mapping_iter *miter) sg_miter_stop(miter); /* get to the next sg if necessary. __offset is adjusted by stop */ - if ...
6329db8bd60fbc0832f30c350b0181b8d865573e
Analyze and fix the following issue in the Linux kernel code: powerpc: Fix modular build of ide-pmac when mediabay is built in
Problem Details: Now that the powermac IDE host driver can be modular, we need to export check_media_bay_by_base() and media_bay_set_ide_infos() from drivers/macintosh/mediabay.c for it. This fixes the following build error: > CC [M] drivers/ide/pmac.o > drivers/ide/pmac.c: In function ‘pmac_ide_init_dev’: > drivers...
```diff diff --git a/drivers/macintosh/mediabay.c b/drivers/macintosh/mediabay.c index d7e46d345d9e..cf02188a90a6 100644 --- a/drivers/macintosh/mediabay.c +++ b/drivers/macintosh/mediabay.c @@ -447,6 +447,7 @@ int check_media_bay_by_base(unsigned long base, int what) return -ENODEV; } +EXPORT_SYMBOL_GPL(check_med...
2d6b3de2374dd8c9f5ab23d57c7bbcda08553356
Analyze and fix the following issue in the Linux kernel code: powerpc/pasemi: Fix build error on UP
Problem Details: A non-SMP version of smp_send_stop() is now included in smp.h. Remove the unneeded definition in the pasemi setup.c. Fixes build errors like these when CONFIG_SMP=n: arch/powerpc/platforms/pasemi/setup.c:48: error: redefinition of ‘smp_send_stop’ include/linux/smp.h:125: error: previous definitio...
```diff diff --git a/arch/powerpc/platforms/pasemi/setup.c b/arch/powerpc/platforms/pasemi/setup.c index c64fb5bfb37e..153051eb6d93 100644 --- a/arch/powerpc/platforms/pasemi/setup.c +++ b/arch/powerpc/platforms/pasemi/setup.c @@ -44,10 +44,6 @@ #include "pasemi.h" -#if !defined(CONFIG_SMP) -static void smp_send_s...
bcd71fe6b1a8694747b0b451c9ec22d813ad7e27
Analyze and fix the following issue in the Linux kernel code: powerpc: Make macintosh/mediabay driver depend on CONFIG_BLOCK
Problem Details: Fixes this build error: In file included from drivers/macintosh/mediabay.c:21: include/linux/ide.h:605: error: field 'request_sense_rq' has incomplete type Signed-off-by: Alexander Beregalov <a.beregalov@gmail.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
```diff diff --git a/drivers/macintosh/Kconfig b/drivers/macintosh/Kconfig index 173cf55c64d0..3d906833948d 100644 --- a/drivers/macintosh/Kconfig +++ b/drivers/macintosh/Kconfig @@ -123,7 +123,7 @@ config PMAC_APM_EMU config PMAC_MEDIABAY bool "Support PowerBook hotswap media bay" - depends on PPC_PMAC && PPC32 +...
fec629b827335154366ecd8b38f007d649338fb3
Analyze and fix the following issue in the Linux kernel code: maintainers: Fix PS3 patterns
Problem Details: Correct the MAINTAINERS file patterns for PS3. Removes some PS3 patterns that were under 'CELL BROADBAND ENGINE ARCHITECTURE', and adds missing PS3 sound and RTC driver patterns. CC: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com> Signed-off-by: Paul Mackerras ...
```diff diff --git a/MAINTAINERS b/MAINTAINERS index 0cb20d821694..e133ba4de416 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1280,12 +1280,9 @@ L: cbe-oss-dev@ozlabs.org W: http://www.ibm.com/developerworks/power/cell/ S: Supported F: arch/powerpc/include/asm/cell*.h -F: arch/powerpc/include/asm/lv1call.h -F: arch...
0d3b2ab6be1500041e11059bee97e83da9da28cc
Analyze and fix the following issue in the Linux kernel code: powerpc/ps3: Fix CONFIG_PS3_FLASH=n build warning
Problem Details: Fix build warnings like these when CONFIG_PS3_FLASH=n: arch/powerpc/platforms/ps3/os-area.c: warning: 'update_flash_db' defined but not used Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
```diff diff --git a/arch/powerpc/platforms/ps3/os-area.c b/arch/powerpc/platforms/ps3/os-area.c index 86e392b1b049..cf1cd0f8c18f 100644 --- a/arch/powerpc/platforms/ps3/os-area.c +++ b/arch/powerpc/platforms/ps3/os-area.c @@ -578,7 +578,7 @@ static void os_area_db_init(struct os_area_db *db) * */ -static void up...
24f1ce803c55f645429e6a7dd94763fbace84b0a
Analyze and fix the following issue in the Linux kernel code: powerpc: Fix crash on CPU hotplug
Problem Details: early_init_mmu_secondary() is called at CPU hotplug time, so it must be marked as __cpuinit, not __init. Caused by 757c74d2 ("powerpc/mm: Introduce early_init_mmu() on 64-bit"). Tested-by: Sachin Sant <sachinp@in.ibm.com> Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Ma...
```diff diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c index db556d25c3a7..1ade7eb6ae00 100644 --- a/arch/powerpc/mm/hash_utils_64.c +++ b/arch/powerpc/mm/hash_utils_64.c @@ -753,7 +753,7 @@ void __init early_init_mmu(void) } #ifdef CONFIG_SMP -void __init early_init_mmu_secondary(vo...
ec40f95db753d3bfdbcc43b1505ecf7980cb6492
Analyze and fix the following issue in the Linux kernel code: m68knommu: fix DMA support for ColdFire
Problem Details: ColdFire CPU family members support DMA (all those with the FEC ethernet core use it, the rest have dedicated DMA engines). The code support is just missing a handful of routines for it to be usable by drivers. Add the missing dma_ functions. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
```diff diff --git a/arch/m68knommu/Kconfig b/arch/m68knommu/Kconfig index 4beb59dfc6ec..534376299a99 100644 --- a/arch/m68knommu/Kconfig +++ b/arch/m68knommu/Kconfig @@ -16,6 +16,7 @@ config MMU config NO_DMA bool + depends on !COLDFIRE default y config FPU diff --git a/arch/m68knommu/kernel/dma.c b/arch/m68...
a14f5e4feb3efd907df7f1b176c2367910a8e796
Analyze and fix the following issue in the Linux kernel code: m68knommu: fix missing .data.cacheline_aligned section
Problem Details: Add a .data.cacheline_aligned section to the data segment. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
```diff diff --git a/arch/m68knommu/kernel/vmlinux.lds.S b/arch/m68knommu/kernel/vmlinux.lds.S index 69ba9b10767a..b7fe505e358d 100644 --- a/arch/m68knommu/kernel/vmlinux.lds.S +++ b/arch/m68knommu/kernel/vmlinux.lds.S @@ -147,6 +147,8 @@ SECTIONS { . = ALIGN(4); _sdata = . ; DATA_DATA + . = ALIGN(32); + *(....
d4d5291c8cd499b1b590336059d5cc3e24c1ced6
Analyze and fix the following issue in the Linux kernel code: driver synchronization: make scsi_wait_scan more advanced
Problem Details: There is currently only one way for userspace to say "wait for my storage device to get ready for the modules I just loaded": to load the scsi_wait_scan module. Expectations of userspace are that once this module is loaded, all the (storage) devices for which the drivers were loaded before the module l...
```diff diff --git a/drivers/base/dd.c b/drivers/base/dd.c index f17c3266a0e0..742cbe6b042b 100644 --- a/drivers/base/dd.c +++ b/drivers/base/dd.c @@ -179,6 +179,7 @@ void wait_for_device_probe(void) wait_event(probe_waitqueue, atomic_read(&probe_count) == 0); async_synchronize_full(); } +EXPORT_SYMBOL_GPL(wait_fo...
5dd559f020c98a2a4b3e063f09c0e4bc771ed838
Analyze and fix the following issue in the Linux kernel code: Trivial: fix a typo in slow-work.h
Problem Details: Fix a comment typo in slow-work.h ...a trivial mistake, but it will mess up kerneldoc if nothing else. Signed-off-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
```diff diff --git a/include/linux/slow-work.h b/include/linux/slow-work.h index 85958277f83d..b65c8881f07a 100644 --- a/include/linux/slow-work.h +++ b/include/linux/slow-work.h @@ -67,7 +67,7 @@ static inline void slow_work_init(struct slow_work *work, } /** - * slow_work_init - Initialise a very slow work item +...
9b8de7479d0dbab1ed98b5b015d44232c9d3d08e
Analyze and fix the following issue in the Linux kernel code: FRV: Fix the section attribute on UP DECLARE_PER_CPU()
Problem Details: In non-SMP mode, the variable section attribute specified by DECLARE_PER_CPU() does not agree with that specified by DEFINE_PER_CPU(). This means that architectures that have a small data section references relative to a base register may throw up linkage errors due to too great a displacement between...
```diff diff --git a/arch/alpha/include/asm/percpu.h b/arch/alpha/include/asm/percpu.h index 3495e8e00d70..e9e0bb5a23bf 100644 --- a/arch/alpha/include/asm/percpu.h +++ b/arch/alpha/include/asm/percpu.h @@ -73,6 +73,6 @@ extern unsigned long __per_cpu_offset[NR_CPUS]; #endif /* SMP */ -#define DECLARE_PER_CPU(type...
2a3313f494c2f3f74a27d66f0f14b38558b7dba2
Analyze and fix the following issue in the Linux kernel code: x86: more than 8 32-bit CPUs requires X86_BIGSMP
Problem Details: $ cat x86-more-than-8-cpus-requires-bigsmp.patch Enforce NR_CPUS <= 8 limitation if X86_BIGSMP not set Configuring more than 8 logical CPUs on 32-bit x86 requires X86_BIGSMP to be set in order to boot successfully, if more than 8 logical CPUs are actually found at boot time. The X86_BIGSMP help text...
```diff diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index c9086e6307a5..b5cda6c03d1d 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -664,6 +664,7 @@ config MAXSMP config NR_CPUS int "Maximum number of CPUs" if SMP && !MAXSMP + range 2 8 if SMP && X86_32 && !X86_BIGSMP range 2 512 if SMP && !MAXSMP ...
355d7f370b51bbb6f31aaf9f98861057e1e6bbb2
Analyze and fix the following issue in the Linux kernel code: drm/i915: fix up error path leak in i915_cmdbuffer
Problem Details: Commit 201361a5 introduces a leak when unwinding on error. Reorder unwind, and eliminate leak. Cc: Eric Anholt <eric@anholt.net> Cc: Keith Packard <keithp@keithp.com> Cc: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Chris Wright <chrisw@sous-sol.org> [anholt: fixed uninit variable use intro...
```diff diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index 272614389c02..051134c56aef 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -713,18 +713,18 @@ static int i915_cmdbuffer(struct drm_device *dev, void *data, mutex_unlock(&dev->struct_mutex...
bf98a82633b97fb638fcee0fae3c0de54d1f7b05
Analyze and fix the following issue in the Linux kernel code: sa1100_ir: fix build breakage
Problem Details: Fix simple typo. Caused by commit a1de966682551debbe690672e760487cc555c05f ("irda/sa1100_ir: convert to net_device_ops"). Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Alexander Beregalov <a.beregalov@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/drivers/net/irda/sa1100_ir.c b/drivers/net/irda/sa1100_ir.c index 4ed763670a97..2aeb2e6aec1b 100644 --- a/drivers/net/irda/sa1100_ir.c +++ b/drivers/net/irda/sa1100_ir.c @@ -925,7 +925,7 @@ static int sa1100_irda_probe(struct platform_device *pdev) goto err_mem_5; dev->netdev_ops = &sa1100_i...
d816f6ac4f9877509baa3610be0d25b7afc29c00
Analyze and fix the following issue in the Linux kernel code: drm/i915: fix unpaired i915 device mutex on entervt failure.
Problem Details: Signed-off-by: Wu Fengguang <fengguang.wu@intel.com> Signed-off-by: Eric Anholt <eric@anholt.net>
```diff diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 4642115902d6..ee896d91c5bc 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -4087,8 +4087,10 @@ i915_gem_entervt_ioctl(struct drm_device *dev, void *data, dev_priv->mm.suspended = 0; r...
5b09b507daaa882d888b6cd78ee89ba9caace44b
Analyze and fix the following issue in the Linux kernel code: ocfs2: Fix some printk() warnings.
Problem Details: The old %llu vs u64 battle. Cast them correctly. Signed-off-by: Joel Becker <joel.becker@oracle.com>
```diff diff --git a/fs/ocfs2/export.c b/fs/ocfs2/export.c index de3da8eb558c..15713cbb865c 100644 --- a/fs/ocfs2/export.c +++ b/fs/ocfs2/export.c @@ -100,7 +100,8 @@ static struct dentry *ocfs2_get_dentry(struct super_block *sb, /* If the inode allocator bit is clear, this inode must be stale */ if (!set) { - m...
0fba813748f16f4eaf24d492c505226c4026d58f
Analyze and fix the following issue in the Linux kernel code: ocfs2: Fix 2 warning during ocfs2 make.
Problem Details: fs/ocfs2/dir.c: In function ‘ocfs2_extend_dir’: fs/ocfs2/dir.c:2700: warning: ‘ret’ may be used uninitialized in this function fs/ocfs2/suballoc.c: In function ‘ocfs2_get_suballoc_slot_bit’: fs/ocfs2/suballoc.c:2216: warning: comparison is always true due to limited range of data type Signed-off-by: ...
```diff diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c index 07d89204f0d3..c5752305627c 100644 --- a/fs/ocfs2/dir.c +++ b/fs/ocfs2/dir.c @@ -2697,7 +2697,7 @@ static int ocfs2_dx_dir_index_block(struct inode *dir, u32 *num_dx_entries, struct buffer_head *dirent_bh) { - int ret, namelen, i; + int ret = ...
5d1af5c83232c5a02b9dc0fe43053b4ddc005224
Analyze and fix the following issue in the Linux kernel code: RDMA/nes: Fix resource issues in nes_create_cq() and nes_destroy_cq()
Problem Details: In error paths where a CQ is not created, pbl is not freeed properly. In nes_destroy_cq(), add the corresponding check for nescq->mcrqf to not call nes_free_resource() when it is already done in nes_create_cq(). Signed-off-by: Miroslaw Walukiewicz <miroslaw.walukiewicz@intel.com> Signed-off-by: Chien...
```diff diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c index 504e31d9f50c..8b460c2ce892 100644 --- a/drivers/infiniband/hw/nes/nes_verbs.c +++ b/drivers/infiniband/hw/nes/nes_verbs.c @@ -1627,6 +1627,7 @@ static struct ib_cq *nes_create_cq(struct ib_device *ibdev, int entries...
df833b1d73680f9f9dc72cbc3215edbbc6ab740d
Analyze and fix the following issue in the Linux kernel code: iwlwifi: DMA fixes
Problem Details: A few issues wrt DMA were uncovered when using the driver with swiotlb. - driver should not use memory after it has been mapped - iwl3945's RX queue management cannot use all of iwlagn because the size of the RX buffer is different. Revert back to using iwl3945 specific routines that map/unmap memo...
```diff diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c index 2399328e8de7..527525cc0919 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945.c +++ b/drivers/net/wireless/iwlwifi/iwl-3945.c @@ -1192,7 +1192,7 @@ int iwl3945_hw_nic_init(struct iwl_priv *priv) return -ENOM...
c491bf1205485c83086bf4f2f26ca6598d48133a
Analyze and fix the following issue in the Linux kernel code: mwl8: fix build warning.
Problem Details: This patch fixes a build warning in mwl8.c. (Marvell TOPDOG wireless driver) The warning it fixes is: "large integer implicitly truncated to unsigned type." The rx_ctrl member of the mwl8k_rx_desc struct is 8 bit (__u8 ), whereas trying to assign it a 32 bit value (which is returned from cpu_to_le32...
```diff diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c index b5dbf6d9e517..a9a970469c2a 100644 --- a/drivers/net/wireless/mwl8k.c +++ b/drivers/net/wireless/mwl8k.c @@ -893,8 +893,7 @@ static int mwl8k_rxq_init(struct ieee80211_hw *hw, int index) rx_desc->next_rx_desc_phys_addr = cpu_to...
d1bcb9f1273adee6d2ce5edf84f19409a5cc31b9
Analyze and fix the following issue in the Linux kernel code: mac80211: fix alignment calculation bug
Problem Details: When checking whether or not a given frame needs to be moved to be properly aligned to a 4-byte boundary, we use & 4 which wasn't intended, this code should check the lowest two bits. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 5fa7aedd90ed..9776f73c51ad 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -1397,7 +1397,7 @@ ieee80211_deliver_skb(struct ieee80211_rx_data *rx) * mac80211. That also explains the __skb_push() * below. */ - align = (unsigned long)s...
4b6f764e148a194f792e75d43dc3504bc0d81064
Analyze and fix the following issue in the Linux kernel code: iwlwifi: fix EEPROM validation mask to include OTP only devices
Problem Details: Fix the bug where some revisions of 6000 series hardware cannot be used. Later versions of 6000 series have the EEPROM replaced by OTP. For these devices to be used we need to expand valid EEPROM mask. Signed-off-by: Jay Sternberg <jay.e.sternberg@linux.intel.com> Signed-off-by: Reinette Chatre <reine...
```diff diff --git a/drivers/net/wireless/iwlwifi/iwl-csr.h b/drivers/net/wireless/iwlwifi/iwl-csr.h index 2f1242447b3b..6e983149b83b 100644 --- a/drivers/net/wireless/iwlwifi/iwl-csr.h +++ b/drivers/net/wireless/iwlwifi/iwl-csr.h @@ -223,7 +223,7 @@ #define CSR_EEPROM_REG_MSK_DATA (0xFFFF0000) /* EEPROM GP */ -#d...
55e5750b3e979bac853c0809ad0ef75b7cebd18c
Analyze and fix the following issue in the Linux kernel code: edac: ppc mpc85xx fix mc err detect
Problem Details: Error found by Jeff Haran. The error detect register is 0s when no errors are detected. The check code is incorrect, so reverse check sense. Reported-by: Jeff Haran <jharan@Brocade.COM> Signed-off-by: Dave Jiang <djiang@mvista.com> Signed-off-by: Doug Thompson <dougthompson@xmission.com> Cc: Benjami...
```diff diff --git a/drivers/edac/mpc85xx_edac.c b/drivers/edac/mpc85xx_edac.c index 4637a4a757df..7c8c2d72916f 100644 --- a/drivers/edac/mpc85xx_edac.c +++ b/drivers/edac/mpc85xx_edac.c @@ -674,7 +674,7 @@ static void mpc85xx_mc_check(struct mem_ctl_info *mci) int row_index; err_detect = in_be32(pdata->mc_vbase ...
b298cecb3deddf76d60022473a57f1cb776cbdcd
Analyze and fix the following issue in the Linux kernel code: scsi: mpt: suppress debugobjects warning
Problem Details: Addresses http://bugzilla.kernel.org/show_bug.cgi?id=13133 ODEBUG: object is on stack, but not annotated ------------[ cut here ]------------ WARNING: at lib/debugobjects.c:253 __debug_object_init+0x1f3/0x276() Hardware name: VMware Virtual Platform Modules linked in: mptspi(+) mptscsih mptbase scsi_t...
```diff diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c index d0d126c69354..5d496a99e034 100644 --- a/drivers/message/fusion/mptbase.c +++ b/drivers/message/fusion/mptbase.c @@ -5934,7 +5934,7 @@ mpt_config(MPT_ADAPTER *ioc, CONFIGPARMS *pCfg) /* Initalize the timer */ - init_tim...
6d029b645175ae71fdeedea84b246ecb1362d003
Analyze and fix the following issue in the Linux kernel code: rtc-cmos: fix printk output
Problem Details: With no IRQ available/defined, RTC-CMOS driver prints something like: rtc0: alarms up to one no, y3k, 114 bytes nvram ^^^^ I guess the following is a bit easier to understand: rtc0: no alarms, y3k, 114 bytes nvram Signed-off-by: Krzysztof Halasa <khc@pm.waw.pl> Cc: Davi...
```diff diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c index b6d35f50e404..23e10b6263d6 100644 --- a/drivers/rtc/rtc-cmos.c +++ b/drivers/rtc/rtc-cmos.c @@ -797,17 +797,15 @@ cmos_do_probe(struct device *dev, struct resource *ports, int rtc_irq) goto cleanup2; } - pr_info("%s: alarms up to one %s%s...
6e538aaf50ae782a890cbc02c27950448d8193e1
Analyze and fix the following issue in the Linux kernel code: spi: documentation: emphasise spi_master.setup() semantics
Problem Details: This is a doc-only patch which I hope will reduce the number of spi_master controller driver patches starting out with a common implementation bug. (As in: almost every spi_master driver I see starts out with its version of this bug. Sigh.) It just re-emphasizes that the setup() method may be called...
```diff diff --git a/Documentation/spi/spi-summary b/Documentation/spi/spi-summary index 0f5122eb282b..4a02d2508bc8 100644 --- a/Documentation/spi/spi-summary +++ b/Documentation/spi/spi-summary @@ -511,10 +511,16 @@ SPI MASTER METHODS This sets up the device clock rate, SPI mode, and word sizes. Drivers may change...
aa0b8f3687f06ac0e5a2b24547fdf431e923c475
Analyze and fix the following issue in the Linux kernel code: drivers/input/serio/hp_sdc.c: fix crash when removing hp_sdc module
Problem Details: On parisc machines, which don't have HIL, removing the hp_sdc module panics the kernel. Fix this by returning early in hp_sdc_exit() if no HP SDC controller was found. Add functionality to probe for the hp_sdc_mlc kernel module (which takes care of the upper layer HIL functionality on parisc) after t...
```diff diff --git a/drivers/input/serio/hp_sdc.c b/drivers/input/serio/hp_sdc.c index bfe49243f38b..1c9410d1822c 100644 --- a/drivers/input/serio/hp_sdc.c +++ b/drivers/input/serio/hp_sdc.c @@ -819,6 +819,7 @@ static const struct parisc_device_id hp_sdc_tbl[] = { MODULE_DEVICE_TABLE(parisc, hp_sdc_tbl); static int...
c12ddba09394c60e1120e6997794fa6ed52da884
Analyze and fix the following issue in the Linux kernel code: hugetlbfs: return negative error code for bad mount option
Problem Details: This fixes the following BUG: # mount -o size=MM -t hugetlbfs none /huge hugetlbfs: Bad value 'MM' for mount option 'size=MM' ------------[ cut here ]------------ kernel BUG at fs/super.c:996! Due to BUG_ON(!mnt->mnt_sb); in vfs_kern_mount(). Also, remove unused #include <linux/quotaops.h...
```diff diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index 23a3c76711e0..153d9681192b 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -26,7 +26,6 @@ #include <linux/pagevec.h> #include <linux/parser.h> #include <linux/mman.h> -#include <linux/quotaops.h> #include <linux/slab.h> #include...
25176ed670121e1e0aae5c8161713c332b786538
Analyze and fix the following issue in the Linux kernel code: ipmi: fix statistics counting issues
Problem Details: Bela Lubkin noticed that the statistics for send IPMB and LAN commands in the IPMI driver could be incremented even if an error occurred. Move the increments to the proper place to avoid this. Also add some statistics for retransmissions that failed, and some little helper functions to neaten up the ...
```diff diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c index e93fc8d22fb2..83c7477ba801 100644 --- a/drivers/char/ipmi/ipmi_msghandler.c +++ b/drivers/char/ipmi/ipmi_msghandler.c @@ -285,6 +285,11 @@ enum ipmi_stat_indexes { /* Events that were received with the proper format. ...
8b32b5d0dca2f5ab632e8bedcd57fe4c109c13fe
Analyze and fix the following issue in the Linux kernel code: ipmi: fix platform return check
Problem Details: The wrong return value is being tested when allocating a platform device in the IPMI SI code. Check the right value. Signed-off-by: Corey Minyard <minyard@acm.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
```diff diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c index e58ea4cd55ce..2438fdf889b4 100644 --- a/drivers/char/ipmi/ipmi_si_intf.c +++ b/drivers/char/ipmi/ipmi_si_intf.c @@ -2863,7 +2863,7 @@ static int try_smi_init(struct smi_info *new_smi) */ new_smi->pdev = platform_device...
8e19608e8b5c001e4a66ce482edc474f05fb7355
Analyze and fix the following issue in the Linux kernel code: clocksource: pass clocksource to read() callback
Problem Details: Pass clocksource pointer to the read() callback for clocksources. This allows us to share the callback between multiple instances. [hugh@veritas.com: fix powerpc build of clocksource pass clocksource mods] [akpm@linux-foundation.org: cleanup] Signed-off-by: Magnus Damm <damm@igel.co.jp> Acked-by: Joh...
```diff diff --git a/arch/arm/mach-at91/at91rm9200_time.c b/arch/arm/mach-at91/at91rm9200_time.c index 1ff1bda0a894..309f3511aa20 100644 --- a/arch/arm/mach-at91/at91rm9200_time.c +++ b/arch/arm/mach-at91/at91rm9200_time.c @@ -85,7 +85,7 @@ static struct irqaction at91rm9200_timer_irq = { .handler = at91rm9200_timer_...
ff14ed5db6e7e5e5dc23712d3c877891d4d9a1a8
Analyze and fix the following issue in the Linux kernel code: pxafb: lcsr1 is unused without CONFIG_FB_PXA_OVERLAY
Problem Details: Fixes the warning: drivers/video/pxafb.c: In function 'pxafb_handle_irq': drivers/video/pxafb.c:1442: warning: unused variable 'lcsr1' [akpm@linux-foundation.org: save an ifdef] Signed-off-by: Denis V. Lunev <den@openvz.org> Cc: Eric Miao <eric.miao@marvell.com> Signed-off-by: Andrew Morton <akpm...
```diff diff --git a/drivers/video/pxafb.c b/drivers/video/pxafb.c index 84f63205c46d..0889d50c3288 100644 --- a/drivers/video/pxafb.c +++ b/drivers/video/pxafb.c @@ -1439,7 +1439,7 @@ static void pxafb_disable_controller(struct pxafb_info *fbi) static irqreturn_t pxafb_handle_irq(int irq, void *dev_id) { struct px...
44aa417910ec9cda6da42be914105e789273b507
Analyze and fix the following issue in the Linux kernel code: asiliantfb: add missing return statement
Problem Details: Commit 032220ba (asiliantfb: fix cmap memory leaks) changed the function init_asiliant from void to int, resulting in the following compile warning: drivers/video/asiliantfb.c: In function `init_asiliant': drivers/video/asiliantfb.c:536: warning: control reaches end of non-void function Fix the w...
```diff diff --git a/drivers/video/asiliantfb.c b/drivers/video/asiliantfb.c index 1a1f946d8fef..9fe90ce928fb 100644 --- a/drivers/video/asiliantfb.c +++ b/drivers/video/asiliantfb.c @@ -533,6 +533,7 @@ static int __devinit init_asiliant(struct fb_info *p, unsigned long addr) writeb(0xff, mmio_base + 0x78c); chip...
0dbbbf1a0e305ad900b733e2ba1cac304d31696e
Analyze and fix the following issue in the Linux kernel code: fsl_rio: Pass the proper device to dma mapping routines
Problem Details: The driver should pass a device that specifies internal DMA ops, but currently NULL pointer is passed, therefore following bug appears during boot up: ------------[ cut here ]------------ Kernel BUG at c0018a7c [verbose debug info unavailable] Oops: Exception in kernel mode, sig: 5 [#1] [...] ...
```diff diff --git a/arch/powerpc/sysdev/fsl_rio.c b/arch/powerpc/sysdev/fsl_rio.c index a0fa4ebb39c6..abdb124e1e2f 100644 --- a/arch/powerpc/sysdev/fsl_rio.c +++ b/arch/powerpc/sysdev/fsl_rio.c @@ -18,6 +18,7 @@ #include <linux/types.h> #include <linux/dma-mapping.h> #include <linux/interrupt.h> +#include <linux/de...