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e78d4833c03e28205b3d983f0c4e586ee34785fd
Analyze and fix the following issue in the Linux kernel code: lib: Fix possible deadlock in flexible proportion code
Problem Details: When percpu counter function in fprop_new_period() is interrupted by an interrupt while holding counter lock, it can cause deadlock when the interrupt wants to take the lock as well. Fix the problem by disabling interrupts when calling percpu counter functions. Signed-off-by: Jan Kara <jack@suse.cz> S...
```diff diff --git a/lib/flex_proportions.c b/lib/flex_proportions.c index e02a3883ae01..c785554f9523 100644 --- a/lib/flex_proportions.c +++ b/lib/flex_proportions.c @@ -62,13 +62,18 @@ void fprop_global_destroy(struct fprop_global *p) */ bool fprop_new_period(struct fprop_global *p, int periods) { - u64 events = ...
ead188f9f930fb5d7f0c49315a7fce3d8bd16b7e
Analyze and fix the following issue in the Linux kernel code: writeback: Fix lock imbalance in writeback_sb_inodes()
Problem Details: Fix bug introduced by 169ebd90. We have to have wb_list_lock locked when restarting writeback loop after having waited for inode writeback. Bug description by Ted Tso: I can reproduce this fairly easily by using ext4 w/o a journal, running under KVM with 1024megs memory, with fsstress (xfstests ...
```diff diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c index 8d2fb8c88cf3..41a3ccff18d8 100644 --- a/fs/fs-writeback.c +++ b/fs/fs-writeback.c @@ -664,6 +664,7 @@ static long writeback_sb_inodes(struct super_block *sb, /* Wait for I_SYNC. This function drops i_lock... */ inode_sleep_on_writeback(inode); ...
c7d65a78fc18ed70353baeb7497ec71a7c775ac5
Analyze and fix the following issue in the Linux kernel code: x86: Remove cmpxchg from i386 NMI nesting code
Problem Details: I've been informed by someone on LWN called 'slashdot' that some i386 machines do not support a true cmpxchg. The cmpxchg used by the i386 NMI nesting code must be a true cmpxchg as disabling interrupts will not work for NMIs (which is the work around for i386s that do not have a true cmpxchg). This '...
```diff diff --git a/arch/x86/kernel/nmi.c b/arch/x86/kernel/nmi.c index a0b2f84457be..a15a88800661 100644 --- a/arch/x86/kernel/nmi.c +++ b/arch/x86/kernel/nmi.c @@ -365,8 +365,9 @@ static __kprobes void default_do_nmi(struct pt_regs *regs) #ifdef CONFIG_X86_32 /* * For i386, NMIs use the same stack as the kernel,...
1e11ad8dc42975d5c2bab7d478f6cd875602eda4
Analyze and fix the following issue in the Linux kernel code: mm, oom: fix badness score underflow
Problem Details: If the privileges given to root threads (3% of allowable memory) or a negative value of /proc/pid/oom_score_adj happen to exceed the amount of rss of a thread, its badness score overflows as a result of commit a7f638f999ff ("mm, oom: normalize oom scores to oom_score_adj scale only for userspace"). Fi...
```diff diff --git a/mm/oom_kill.c b/mm/oom_kill.c index ed0e19677360..416637f0e924 100644 --- a/mm/oom_kill.c +++ b/mm/oom_kill.c @@ -183,7 +183,7 @@ static bool oom_unkillable_task(struct task_struct *p, unsigned long oom_badness(struct task_struct *p, struct mem_cgroup *memcg, const nodemask_t *nodemask, unsi...
cd96891d48a945ca2011fbeceda73813d6286195
Analyze and fix the following issue in the Linux kernel code: sched/fair: fix lots of kernel-doc warnings
Problem Details: Fix lots of new kernel-doc warnings in kernel/sched/fair.c: Warning(kernel/sched/fair.c:3625): No description found for parameter 'env' Warning(kernel/sched/fair.c:3625): Excess function parameter 'sd' description in 'update_sg_lb_stats' Warning(kernel/sched/fair.c:3735): No description found fo...
```diff diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index b2a2d236f27b..d5583f9588e7 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -3632,7 +3632,7 @@ fix_small_capacity(struct sched_domain *sd, struct sched_group *group) /** * update_sg_lb_stats - Update sched_group's statistics for load...
cd8f76c0a0c6fce0b2cf23c9bd0123f91453f46d
Analyze and fix the following issue in the Linux kernel code: be2net: fix a race in be_xmit()
Problem Details: As soon as hardware is notified of a transmit, we no longer can assume skb can be dereferenced, as TX completion might have freed the packet. Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Sathya Perla <sathya.perla@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 08efd308d78a..fdb50cec6b51 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -736,6 +736,8 @@ static netdev_tx_t be_xmit(struct sk_buff *skb, ...
4399a4df98a63e30fd16e9d0cecc46ea92269e8f
Analyze and fix the following issue in the Linux kernel code: l2tp: fix a race in l2tp_ip_sendmsg()
Problem Details: Commit 081b1b1bb27f (l2tp: fix l2tp_ip_sendmsg() route handling) added a race, in case IP route cache is disabled. In this case, we should not do the dst_release(&rt->dst), since it'll free the dst immediately, instead of waiting a RCU grace period. Signed-off-by: Eric Dumazet <edumazet@google.com> C...
```diff diff --git a/net/l2tp/l2tp_ip.c b/net/l2tp/l2tp_ip.c index 70614e7affab..61d8b75d2686 100644 --- a/net/l2tp/l2tp_ip.c +++ b/net/l2tp/l2tp_ip.c @@ -464,10 +464,12 @@ static int l2tp_ip_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *m sk->sk_bound_dev_if); if (IS_ERR(rt)) goto no_rout...
58d1eab7ef1d7ff8e448699dfd1a21b7f3303296
Analyze and fix the following issue in the Linux kernel code: NFC: Fix possible NULL ptr deref when getting the name of a socket
Problem Details: llcp_sock_getname() might get called before the LLCP socket was created. This condition isn't checked, and llcp_sock_getname will simply deref a NULL ptr in that case. This exists starting with d646960 ("NFC: Initial LLCP support"). Signed-off-by: Sasha Levin <levinsasha928@gmail.com> Signed-off-by: ...
```diff diff --git a/net/nfc/llcp/sock.c b/net/nfc/llcp/sock.c index 3f339b19d140..17a707db40eb 100644 --- a/net/nfc/llcp/sock.c +++ b/net/nfc/llcp/sock.c @@ -292,6 +292,9 @@ static int llcp_sock_getname(struct socket *sock, struct sockaddr *addr, pr_debug("%p\n", sk); + if (llcp_sock == NULL) + return -EBADFD; ...
d6ee27eb13beab94056e0de52d81220058ca2297
Analyze and fix the following issue in the Linux kernel code: iwlwifi: don't mess up the SCD when removing a key
Problem Details: When we remove a key, we put a key index which was supposed to tell the fw that we are actually removing the key. But instead the fw took that index as a valid index and messed up the SRAM of the device. This memory corruption on the device mangled the data of the SCD. The impact on the user is that S...
```diff diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-sta.c b/drivers/net/wireless/iwlwifi/iwl-agn-sta.c index aea07aab3c9e..eb6a8eaf42fc 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-sta.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-sta.c @@ -1267,7 +1267,7 @@ int iwl_remove_dynamic_key(struct iwl_priv *priv, ...
e7027075d0d8fe2d1bf7b0db24623328d2601d3c
Analyze and fix the following issue in the Linux kernel code: bcma: fix null pointer in bcma_core_pci_irq_ctl
Problem Details: pc could be null if hosttype != BCMA_HOSTTYPE_PCI. If we are on a device without a pci core this function is called with pc = null by b43 and brcmsmac. If the host type is PCI we have a pci core as well and pc can not be null. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by: John W. Lin...
```diff diff --git a/drivers/bcma/driver_pci.c b/drivers/bcma/driver_pci.c index 9a96f14c8f47..c32ebd537abe 100644 --- a/drivers/bcma/driver_pci.c +++ b/drivers/bcma/driver_pci.c @@ -232,17 +232,19 @@ void __devinit bcma_core_pci_init(struct bcma_drv_pci *pc) int bcma_core_pci_irq_ctl(struct bcma_drv_pci *pc, struct b...
e64add27e1b4874f589e550b4e0ca6715070373f
Analyze and fix the following issue in the Linux kernel code: b43: do not call ieee80211_unregister_hw if we are not registred
Problem Details: this patch fixes kernel Oops on "rmmod b43" if firmware was not loaded: BUG: unable to handle kernel NULL pointer dereference at 0000000000000088 IP: [<ffffffff8104e988>] drain_workqueue+0x25/0x142 PGD 153ac6067 PUD 153b82067 PMD 0 Oops: 0000 [#1] SMP Signed-off-by: Oleksij Rempel <bug-track@fisher-p...
```diff diff --git a/drivers/net/wireless/b43/b43.h b/drivers/net/wireless/b43/b43.h index 67c13af6f206..c06b6cb5c91e 100644 --- a/drivers/net/wireless/b43/b43.h +++ b/drivers/net/wireless/b43/b43.h @@ -877,6 +877,10 @@ struct b43_wl { * from the mac80211 subsystem. */ u16 mac80211_initially_registered_queues; +...
d2c8b15d0cb486f4938ba7f2af349d9d1220cb10
Analyze and fix the following issue in the Linux kernel code: iwlwifi: use correct supported firmware for 6035 and 6000g2
Problem Details: My patch iwlwifi: use correct released ucode version did not correctly report supported firmware for the 6035 device. This patch fixes it. The minimum supported firmware version for 6035 is v6. Also correct the minimum supported firmware version for the 6000g2 series of devices. Cc: stable@kerne...
```diff diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c index 19f7ee84ae89..e5e8ada4aaf6 100644 --- a/drivers/net/wireless/iwlwifi/iwl-6000.c +++ b/drivers/net/wireless/iwlwifi/iwl-6000.c @@ -35,17 +35,20 @@ #define IWL6000_UCODE_API_MAX 6 #define IWL6050_UCODE_API_MAX 5...
0fde0a8cfd0ede7f310d6a681c8e5a7cb3e32406
Analyze and fix the following issue in the Linux kernel code: rtl8187: ->brightness_set can not sleep
Problem Details: Fix: BUG: sleeping function called from invalid context at kernel/workqueue.c:2547 in_atomic(): 1, irqs_disabled(): 0, pid: 629, name: wpa_supplicant 2 locks held by wpa_supplicant/629: #0: (rtnl_mutex){+.+.+.}, at: [<c08b2b84>] rtnl_lock+0x14/0x20 #1: (&trigger->leddev_list_lock){.+.?..}, at: [<c...
```diff diff --git a/drivers/net/wireless/rtl818x/rtl8187/leds.c b/drivers/net/wireless/rtl818x/rtl8187/leds.c index 2e0de2f5f0f9..c2d5b495c179 100644 --- a/drivers/net/wireless/rtl818x/rtl8187/leds.c +++ b/drivers/net/wireless/rtl818x/rtl8187/leds.c @@ -117,7 +117,7 @@ static void rtl8187_led_brightness_set(struct led...
aac495a8002bbf20e879572c6cf0789ab2ffb32b
Analyze and fix the following issue in the Linux kernel code: net/wireless: ipw2100: Fix WARN_ON occurring in wiphy_register called by ipw2100_pci_init_one
Problem Details: The problem was found by Larry Finger: http://marc.info/?l=linux-wireless&m=133702401700614&w=2 The problem is identical to the one for ipw2200 which is already fixed: http://marc.info/?l=linux-wireless&m=133457257407196&w=2 [ 17.766431] ------------[ cut here ]------------ [ 17.766467] WARNING: ...
```diff diff --git a/drivers/net/wireless/ipw2x00/ipw2100.c b/drivers/net/wireless/ipw2x00/ipw2100.c index 9cfae0c08707..95aa8e1683ec 100644 --- a/drivers/net/wireless/ipw2x00/ipw2100.c +++ b/drivers/net/wireless/ipw2x00/ipw2100.c @@ -1903,14 +1903,6 @@ static void ipw2100_down(struct ipw2100_priv *priv) netif_stop_q...
32ba9c3fcab960f0b0d332c86ebcd2c4870d9bb8
Analyze and fix the following issue in the Linux kernel code: Revert "vfs: stop d_splice_alias creating directory aliases"
Problem Details: This reverts commit 7732a557b1342c6e6966efb5f07effcf99f56167 (and commit 3f50fff4dace23d3cfeb195d5cd4ee813cee68b7, which was a follow-up cleanup). We're chasing an elusive bug that Dave Jones can apparently reproduce using his system call fuzzer tool, and that looks like some kind of locking ordering ...
```diff diff --git a/fs/dcache.c b/fs/dcache.c index 85c9e2bff8e6..40469044088d 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -683,6 +683,8 @@ EXPORT_SYMBOL(dget_parent); /** * d_find_alias - grab a hashed alias of inode * @inode: inode in question + * @want_discon: flag, used by d_splice_alias, to request + * ...
2d0dbc6ae8a5194aaecb9cfffb9053f38fce8b86
Analyze and fix the following issue in the Linux kernel code: NFSv4: Fix unnecessary delegation returns in nfs4_do_open
Problem Details: While nfs4_do_open() expects the fmode argument to be restricted to combinations of FMODE_READ and FMODE_WRITE, both nfs4_atomic_open() and nfs4_proc_create will pass the nfs_open_context->mode, which contains the full fmode_t. This patch ensures that nfs4_do_open strips the other fmode_t bits, fixing...
```diff diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 5881f2cc5d81..f23977e4ac0f 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -1902,6 +1902,7 @@ static struct nfs4_state *nfs4_do_open(struct inode *dir, struct nfs4_state *res; int status; + fmode &= FMODE_READ|FMODE_WRITE; do { status...
505cff00de9c303b95c204eb4544066e3e707911
Analyze and fix the following issue in the Linux kernel code: vga_switcheroo: Fix error without CONFIG_VGA_SWITCHEROO
Problem Details: Fix a typo that is built only when CONFIG_VGA_SWITCHEROO=n. Signed-off-by: Takashi Iwai <tiwai@suse.de>
```diff diff --git a/include/linux/vga_switcheroo.h b/include/linux/vga_switcheroo.h index b176342ca031..60da41fe9dc2 100644 --- a/include/linux/vga_switcheroo.h +++ b/include/linux/vga_switcheroo.h @@ -67,7 +67,7 @@ static inline int vga_switcheroo_register_audio_client(struct pci_dev *pdev, int id, bool active) { r...
eeaaa96a3a2134a174100afd129bb0891d05f4b2
Analyze and fix the following issue in the Linux kernel code: x86/nmi: Fix section mismatch warnings on 32-bit
Problem Details: It was reported that compiling for 32-bit caused a bunch of section mismatch warnings: VDSOSYM arch/x86/vdso/vdso32-syms.lds LD arch/x86/vdso/built-in.o LD arch/x86/built-in.o WARNING: arch/x86/built-in.o(.data+0x5af0): Section mismatch in reference from the variable test_nmi_ipi_cal...
```diff diff --git a/arch/x86/include/asm/nmi.h b/arch/x86/include/asm/nmi.h index 0e3793b821ef..dc580c42851c 100644 --- a/arch/x86/include/asm/nmi.h +++ b/arch/x86/include/asm/nmi.h @@ -54,6 +54,20 @@ struct nmiaction { __register_nmi_handler((t), &fn##_na); \ }) +/* + * For special handlers that register/unregis...
3c75296562f43e6fbc6cddd3de948a7b3e4e9bcf
Analyze and fix the following issue in the Linux kernel code: powerpc: Fix kernel panic during kernel module load
Problem Details: This fixes a problem which can causes kernel oopses while loading a kernel module. According to the PowerPC EABI specification, GPR r11 is assigned the dedicated function to point to the previous stack frame. In the powerpc-specific kernel module loader, do_plt_call() (in arch/powerpc/kernel/module_32...
```diff diff --git a/arch/powerpc/kernel/module_32.c b/arch/powerpc/kernel/module_32.c index 0b6d79617d7b..2e3200ca485f 100644 --- a/arch/powerpc/kernel/module_32.c +++ b/arch/powerpc/kernel/module_32.c @@ -176,8 +176,8 @@ int module_frob_arch_sections(Elf32_Ehdr *hdr, static inline int entry_matches(struct ppc_plt_...
d5d2d2eea84b0d8450b082edbc3dbde41fb8bfd8
Analyze and fix the following issue in the Linux kernel code: x86/uv: Fix UV2 BAU legacy mode
Problem Details: The SGI Altix UV2 BAU (Broadcast Assist Unit) as used for tlb-shootdown (selective broadcast mode) always uses UV2 broadcast descriptor format. There is no need to clear the 'legacy' (UV1) mode, because the hardware always uses UV2 mode for selective broadcast. But the BIOS uses general broadcast and ...
```diff diff --git a/arch/x86/include/asm/uv/uv_bau.h b/arch/x86/include/asm/uv/uv_bau.h index becf47b81735..6149b476d9df 100644 --- a/arch/x86/include/asm/uv/uv_bau.h +++ b/arch/x86/include/asm/uv/uv_bau.h @@ -149,7 +149,6 @@ /* 4 bits of software ack period */ #define UV2_ACK_MASK 0x7UL #define UV2_ACK_UNITS_SHF...
4988a40c3981212fa8c64da68722affc1cb6697a
Analyze and fix the following issue in the Linux kernel code: x86/apic: Make cpu_mask_to_apicid() operations check cpu_online_mask
Problem Details: Currently cpu_mask_to_apicid() should not get a offline CPU with the cpumask. Otherwise some apic drivers might try to access non-existent per-cpu variables (i.e. x2apic). In that regard cpu_mask_to_apicid() and cpu_mask_to_apicid_and() operations are inconsistent. This fix makes the two operations do...
```diff diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h index ae91f9c7e360..1ed3eead2039 100644 --- a/arch/x86/include/asm/apic.h +++ b/arch/x86/include/asm/apic.h @@ -596,7 +596,7 @@ static inline int default_phys_pkg_id(int cpuid_apic, int index_msb) static inline int __flat_cpu_mask_to_apici...
ff164324123c0fe181d8de7dadcc7b3fbe25f2cf
Analyze and fix the following issue in the Linux kernel code: x86/apic: Make cpu_mask_to_apicid() operations return error code
Problem Details: Current cpu_mask_to_apicid() and cpu_mask_to_apicid_and() implementations have few shortcomings: 1. A value returned by cpu_mask_to_apicid() is written to hardware registers unconditionally. Should BAD_APICID get ever returned it will be written to a hardware too. But the value of BAD_APICID is not un...
```diff diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h index e3fecd50d5ca..ae91f9c7e360 100644 --- a/arch/x86/include/asm/apic.h +++ b/arch/x86/include/asm/apic.h @@ -331,9 +331,11 @@ struct apic { unsigned long (*set_apic_id)(unsigned int id); unsigned long apic_id_mask; - unsigned int (*...
12b78a7f671aa91fd41899615bf6d171c925c3d7
Analyze and fix the following issue in the Linux kernel code: ALSA: hda - Fix uninitialized HDMI controllers with VGA-switcheroo
Problem Details: When VGA-switcheroo is built in but unused on systems with multiple graphics cards, the initializations of non-default graphics cards are skipped and never enabled (because the switcheroo is activated only when the controller supports). The current behavior is for avoiding the system lockup by accessi...
```diff diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 2b6392be451c..5f0375fefc89 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -2670,7 +2670,7 @@ static bool __devinit check_hdmi_disabled(struct pci_dev *pci) struct pci_dev *p = get_bound_vga(pci); if (p) { -...
8260ef075bd9848ce6a8004ec73b7454d410cc15
Analyze and fix the following issue in the Linux kernel code: ALSA: usb-audio: Fix substream assignments
Problem Details: In 3.5 kernel, the endpoint is assigned dynamically for the substreams, but the PCM assignment still checks the presence of the endpoint pointer. This ended up in duplicated PCM substream creations at probing time, resulting in kernel warnings like: WARNING: at fs/proc/generic.c:586 proc_register+0x1...
```diff diff --git a/sound/usb/card.h b/sound/usb/card.h index 0d37238b8457..2b9fffff23b6 100644 --- a/sound/usb/card.h +++ b/sound/usb/card.h @@ -119,6 +119,7 @@ struct snd_usb_substream { unsigned long unlink_mask; /* bitmask of unlinked urbs */ /* data and sync endpoints for this stream */ + unsigned int ep_nu...
4dab786482d706a2a41cd16cf174671d640a9870
Analyze and fix the following issue in the Linux kernel code: Bluetooth: Fix SMP security elevation from medium to high
Problem Details: If we have an unauthenticated key it is not sufficient to acheive high security. Therefore, when deciding whether to encrypt the link or request pairing, it is essential to in addition to checking the existence of a key to also check whether it is authenticated or not. Signed-off-by: Johan Hedberg <jo...
```diff diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c index c4ac2849d9c2..37df4e9b3896 100644 --- a/net/bluetooth/smp.c +++ b/net/bluetooth/smp.c @@ -703,7 +703,7 @@ static u8 smp_cmd_pairing_random(struct l2cap_conn *conn, struct sk_buff *skb) return 0; } -static u8 smp_ltk_encrypt(struct l2cap_conn *con...
d06cc416f517a25713dedd9e2a9ccf4f3086c09a
Analyze and fix the following issue in the Linux kernel code: Bluetooth: Fix deadlock and crash when SMP pairing times out
Problem Details: The l2cap_conn_del function tries to cancel_sync the security timer, but when it's called from the timeout function itself a deadlock occurs. Subsequently the "hcon->l2cap_data = NULL" that's supposed to protect multiple calls to l2cap_conn_del never gets cleared and when the connection finally drops w...
```diff diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c index 24f144b72a96..8394e3615ef6 100644 --- a/net/bluetooth/l2cap_core.c +++ b/net/bluetooth/l2cap_core.c @@ -1295,7 +1295,12 @@ static void security_timeout(struct work_struct *work) struct l2cap_conn *conn = container_of(work, struct l2cap...
4c47d7396420160d27209f578680141874c0110b
Analyze and fix the following issue in the Linux kernel code: Bluetooth: Fix LE pairing completion on connection failure
Problem Details: For BR/EDR pairing is assumed to be finished when connection is done. For LE if connection is successful it did not necessarily mean that pairing is also done but if the connection is unsuccessful it should be assumed that pairing procedure is also finished. This patch registers a new function with con...
```diff diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index 25d220776079..991d5b667674 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -1873,6 +1873,22 @@ static void pairing_complete_cb(struct hci_conn *conn, u8 status) pairing_complete(cmd, mgmt_status(status)); } +static void le_conn...
33d5e332b9c5ce0bf3bfd44ca2127d1773b3f2ad
Analyze and fix the following issue in the Linux kernel code: stmmac: fix driver built w/ w/o both pci and platf modules
Problem Details: The commit ba27ec66ffeb78cbf fixes the Kconfig of the driver when built as module allowing to select/unselect the PCI and Platform modules that are not anymore mutually exclusive. This patch fixes and guarantees that the driver builds on all the platforms w/ w/o PCI and when select/unselect the two stm...
```diff diff --git a/drivers/net/ethernet/stmicro/stmmac/Kconfig b/drivers/net/ethernet/stmicro/stmmac/Kconfig index 0076f770e637..9f448279e12a 100644 --- a/drivers/net/ethernet/stmicro/stmmac/Kconfig +++ b/drivers/net/ethernet/stmicro/stmmac/Kconfig @@ -15,6 +15,7 @@ if STMMAC_ETH config STMMAC_PLATFORM bool "STMMA...
476585ecf08067ac4e81d1a4cb19e2caf2093471
Analyze and fix the following issue in the Linux kernel code: Bluetooth: Fix SMP pairing method selection
Problem Details: The tk_request function takes the local IO capability as the second last parameter and the remote IO capability as the last parameter. They were previously swapped: when we receive a pairing response req->io_capability contains the local one and rsp->io_capability the remote one. Signed-off-by: Johan ...
```diff diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c index 6fc7c4708f3e..c4ac2849d9c2 100644 --- a/net/bluetooth/smp.c +++ b/net/bluetooth/smp.c @@ -648,7 +648,7 @@ static u8 smp_cmd_pairing_rsp(struct l2cap_conn *conn, struct sk_buff *skb) auth |= (req->auth_req | rsp->auth_req) & SMP_AUTH_MITM; - ret ...
b22b1f178f6799278d3178d894f37facb2085765
Analyze and fix the following issue in the Linux kernel code: ext4: don't set i_flags in EXT4_IOC_SETFLAGS
Problem Details: Commit 7990696 uses the ext4_{set,clear}_inode_flags() functions to change the i_flags automatically but fails to remove the error setting of i_flags. So we still have the problem of trashing state flags. Fix this by removing the assignment. Signed-off-by: Tao Ma <boyu.mt@taobao.com> Signed-off-by: "...
```diff diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c index 8ad112ae0ade..e34deac3f366 100644 --- a/fs/ext4/ioctl.c +++ b/fs/ext4/ioctl.c @@ -123,7 +123,6 @@ long ext4_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) else ext4_clear_inode_flag(inode, i); } - ei->i_flags = flags; ext4_set...
90c6ce0d5482ee52b0a427115e185d488783164b
Analyze and fix the following issue in the Linux kernel code: ASoC: dapm: Fix input list to use source widgets
Problem Details: We should only add source widgets to the input list. Signed-off-by: Liam Girdwood <lrg@ti.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
```diff diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index b47fe75444ac..89eae93445cf 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -913,7 +913,7 @@ static int is_connected_input_ep(struct snd_soc_dapm_widget *widget, /* do we need to add this widget to the list ? */ if (list) { ...
35ea0655a1bcdb1dcb1c1d0c4b6b391ade9c6d01
Analyze and fix the following issue in the Linux kernel code: ASoC: dpcm: Fix dpcm_get_be() to check that DAI is BE
Problem Details: Make sure that the dpcm_get_be() only returns BE DAI links. Signed-off-by: Liam Girdwood <lrg@ti.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
```diff diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c index bedd1717a373..48fd15b312c1 100644 --- a/sound/soc/soc-pcm.c +++ b/sound/soc/soc-pcm.c @@ -794,6 +794,9 @@ static struct snd_soc_pcm_runtime *dpcm_get_be(struct snd_soc_card *card, for (i = 0; i < card->num_links; i++) { be = &card->rtd[i]; + ...
b0dd6b70f0fda17ae9762fbb72d98e40a4f66556
Analyze and fix the following issue in the Linux kernel code: ext4: fix the free blocks calculation for ext3 file systems w/ uninit_bg
Problem Details: Ext3 filesystems that are converted to use as many ext4 file system features as possible will enable uninit_bg to speed up e2fsck times. These file systems will have a native ext3 layout of inode tables and block allocation bitmaps (as opposed to ext4's flex_bg layout). Unfortunately, in these cases, w...
```diff diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c index 99b6324290db..cee7812cc3cf 100644 --- a/fs/ext4/balloc.c +++ b/fs/ext4/balloc.c @@ -90,8 +90,8 @@ unsigned ext4_num_overhead_clusters(struct super_block *sb, * unusual file system layouts. */ if (ext4_block_in_group(sb, ext4_block_bitmap(sb, gdp), b...
2d8dbb04c63e5369988f008bc4df3359c01d8812
Analyze and fix the following issue in the Linux kernel code: snmp: fix OutOctets counter to include forwarded datagrams
Problem Details: RFC 4293 defines ipIfStatsOutOctets (similar definition for ipSystemStatsOutOctets): The total number of octets in IP datagrams delivered to the lower layers for transmission. Octets from datagrams counted in ipIfStatsOutTransmits MUST be counted here. And ipIfStatsOutTransmits: The tot...
```diff diff --git a/net/ipv4/ip_forward.c b/net/ipv4/ip_forward.c index e5c44fc586ab..ab09b126423c 100644 --- a/net/ipv4/ip_forward.c +++ b/net/ipv4/ip_forward.c @@ -44,6 +44,7 @@ static int ip_forward_finish(struct sk_buff *skb) struct ip_options *opt = &(IPCB(skb)->opt); IP_INC_STATS_BH(dev_net(skb_dst(skb)->d...
40af1bbdca47e5c8a2044039bb78ca8fd8b20f94
Analyze and fix the following issue in the Linux kernel code: mm: correctly synchronize rss-counters at exit/exec
Problem Details: mm->rss_stat counters have per-task delta: task->rss_stat. Before changing task->mm pointer the kernel must flush this delta with sync_mm_rss(). do_exit() already calls sync_mm_rss() to flush the rss-counters before committing the rss statistics into task->signal->maxrss, taskstats, audit and other s...
```diff diff --git a/fs/exec.c b/fs/exec.c index a79786a8d2c8..b926ed19301e 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -819,7 +819,6 @@ static int exec_mmap(struct mm_struct *mm) /* Notify parent that we're no longer interested in the old VM */ tsk = current; old_mm = current->mm; - sync_mm_rss(old_mm); mm_relea...
cbf8ae32f66a9ceb8907ad9e16663c2a29e48990
Analyze and fix the following issue in the Linux kernel code: btree: fix tree corruption in btree_get_prev()
Problem Details: The memory the parameter __key points to is used as an iterator in btree_get_prev(), so if we save off a bkey() pointer in retry_key and then assign that to __key, we'll end up corrupting the btree internals when we do eg longcpy(__key, bkey(geo, node, i), geo->keylen); to return the key value. Wha...
```diff diff --git a/lib/btree.c b/lib/btree.c index e5ec1e9c1aa5..5cf9e74ec3f3 100644 --- a/lib/btree.c +++ b/lib/btree.c @@ -319,8 +319,8 @@ void *btree_get_prev(struct btree_head *head, struct btree_geo *geo, if (head->height == 0) return NULL; -retry: longcpy(key, __key, geo->keylen); +retry: dec_key(geo...
300f786b2683f8bb1ec0afb6e1851183a479c86d
Analyze and fix the following issue in the Linux kernel code: c/r: prctl: add ability to get clear_tid_address
Problem Details: Zero is written at clear_tid_address when the process exits. This functionality is used by pthread_join(). We already have sys_set_tid_address() to change this address for the current task but there is no way to obtain it from user space. Without the ability to find this address and dump it we can't...
```diff diff --git a/include/linux/prctl.h b/include/linux/prctl.h index 711e0a30aacc..3988012255dc 100644 --- a/include/linux/prctl.h +++ b/include/linux/prctl.h @@ -127,8 +127,8 @@ #define PR_SET_PTRACER 0x59616d61 # define PR_SET_PTRACER_ANY ((unsigned long)-1) -#define PR_SET_CHILD_SUBREAPER 36 -#define PR_GET_...
bafb282df29c1524b1617019adebd6d0c3eb7a47
Analyze and fix the following issue in the Linux kernel code: c/r: prctl: update prctl_set_mm_exe_file() after mm->num_exe_file_vmas removal
Problem Details: A fix for commit b32dfe377102 ("c/r: prctl: add ability to set new mm_struct::exe_file"). After removing mm->num_exe_file_vmas kernel keeps mm->exe_file until final mmput(), it never becomes NULL while task is alive. We can check for other mapped files in mm instead of checking mm->num_exe_file_vmas,...
```diff diff --git a/include/linux/sched.h b/include/linux/sched.h index 6029d8c54476..c688d4cc2e40 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -439,6 +439,7 @@ extern int get_dumpable(struct mm_struct *mm); /* leave room for more dump flags */ #define MMF_VM_MERGEABLE 16 /* KSM may merge i...
6305902c2f871fd6db60af367bd7120fa977fa74
Analyze and fix the following issue in the Linux kernel code: MAINTAINERS: whitespace fixes
Problem Details: Remove trailing spaces at EOL. Always use a tab after the type : Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
```diff diff --git a/MAINTAINERS b/MAINTAINERS index dafcba7e2312..14bc7071f9df 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1077,7 +1077,7 @@ F: drivers/media/video/s5p-fimc/ ARM/SAMSUNG S5P SERIES Multi Format Codec (MFC) SUPPORT M: Kyungmin Park <kyungmin.park@samsung.com> M: Kamil Debski <k.debski@samsung.com>...
0142ef6cdca5f9784eb0762ac50fe378d98d71d4
Analyze and fix the following issue in the Linux kernel code: shmem: replace_page must flush_dcache and others
Problem Details: Commit bde05d1ccd51 ("shmem: replace page if mapping excludes its zone") is not at all likely to break for anyone, but it was an earlier version from before review feedback was incorporated. Fix that up now. * shmem_replace_page must flush_dcache_page after copy_highpage [akpm] * Expand comment on wh...
```diff diff --git a/mm/shmem.c b/mm/shmem.c index 585bd220a21e..a15a466d0d1d 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -683,10 +683,21 @@ static int shmem_unuse_inode(struct shmem_inode_info *info, mutex_lock(&shmem_swaplist_mutex); /* * We needed to drop mutex to make that restrictive page - * allocatio...
1578e7778fa04eb7e32da561effee6cd38139b0f
Analyze and fix the following issue in the Linux kernel code: be2net: Fix driver load for VFs for Lancer
Problem Details: Permanent MAC is wrongly supplied in create iface command. Call the command with no MAC address and then MAC address should be later queried and applied. Signed-off-by: Padmanabh Ratnakar <padmanabh.ratnakar@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.c b/drivers/net/ethernet/emulex/benet/be_cmds.c index 8d06ea381741..f8997521b147 100644 --- a/drivers/net/ethernet/emulex/benet/be_cmds.c +++ b/drivers/net/ethernet/emulex/benet/be_cmds.c @@ -1132,7 +1132,7 @@ err: * Uses MCCQ */ int be_cmd_if_create(s...
0bb79565aaa4d917a14c87deae8b98a61833307a
Analyze and fix the following issue in the Linux kernel code: qlcnic: Fix protcol type in case of inband vlan.
Problem Details: o Use correct l3 (ETH_IP or ETH_IPV6)protcol in case of inband vlan. Because of incorrect protcol type driver was setting incorrect opcode. This resulted in adapter calculating checksum incorrectly. o Updated driver version to 5.0.29 Signed-off-by: Rajesh Borundia <rajesh.borundia@qlogic.com> Signed-o...
```diff diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h index df4552f15693..eaa1db9fec32 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h @@ -36,8 +36,8 @@ #define _QLCNIC_LINUX_MAJOR 5 #define _QLCNIC_L...
e42ede226c067fef541e4240f919ed2baf25d268
Analyze and fix the following issue in the Linux kernel code: qlcnic: fix unsupported CDRP command error message.
Problem Details: Add debug messages for FW CDRP command failure. Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com> Signed-off-by: Anirban Chakraborty <anirban.chakraborty@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h index 520ff031cfaa..df4552f15693 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h @@ -612,7 +612,11 @@ struct qlcnic_recv_context { #define QLCNIC_CDR...
cae82d499979d99fc061f939d451244971024864
Analyze and fix the following issue in the Linux kernel code: qlcnic: Fix estimation of recv MSS in case of LRO
Problem Details: o Linux stack estimates MSS from skb->len or skb_shinfo(skb)->gso_size. In case of LRO skb->len is aggregate of len of number of packets hence MSS obtained using skb->len would be incorrect. Incorrect estimation of recv MSS would lead to delayed acks in some traffic patterns (which sends two or three p...
```diff diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h index 8680a5dae4a2..520ff031cfaa 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h @@ -258,6 +258,8 @@ struct rcv_desc { (((sts_data) >> 52) & 0x1) #...
5ff0feac88ced864f44adb145142269196fa79d9
Analyze and fix the following issue in the Linux kernel code: sky2: fix checksum bit management on some chips
Problem Details: The newer flavors of Yukon II use a different method for receive checksum offload. This is indicated in the driver by the SKY2_HW_NEW_LE flag. On these newer chips, the BMU_ENA_RX_CHKSUM should not be set. The driver would get incorrectly toggle the bit, enabling the old checksum logic on these chips ...
```diff diff --git a/drivers/net/ethernet/marvell/sky2.c b/drivers/net/ethernet/marvell/sky2.c index cace36f2ab92..28a54451a3e5 100644 --- a/drivers/net/ethernet/marvell/sky2.c +++ b/drivers/net/ethernet/marvell/sky2.c @@ -4381,10 +4381,12 @@ static int sky2_set_features(struct net_device *dev, netdev_features_t featur...
4bd6683bd400c8b1d2ad544bb155d86a5d10f91c
Analyze and fix the following issue in the Linux kernel code: net: neighbour: fix neigh_dump_info()
Problem Details: Denys found out "ip neigh" output was truncated to about 54 neighbours. Signed-off-by: Eric Dumazet <edumazet@google.com> Reported-by: Denys Fedoryshchenko <denys@visp.net.lb> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/net/core/neighbour.c b/net/core/neighbour.c index eb09f8bbbf07..d81d026138f0 100644 --- a/net/core/neighbour.c +++ b/net/core/neighbour.c @@ -2219,9 +2219,7 @@ static int neigh_dump_table(struct neigh_table *tbl, struct sk_buff *skb, rcu_read_lock_bh(); nht = rcu_dereference_bh(tbl->nht); - f...
a06998b88b1651c5f71c0e35f528bf2057188ead
Analyze and fix the following issue in the Linux kernel code: net: l2tp_eth: fix kernel panic on rmmod l2tp_eth
Problem Details: We must prevent module unloading if some devices are still attached to l2tp_eth driver. Signed-off-by: Eric Dumazet <edumazet@google.com> Reported-by: Denys Fedoryshchenko <denys@visp.net.lb> Tested-by: Denys Fedoryshchenko <denys@visp.net.lb> Cc: James Chapman <jchapman@katalix.com> Signed-off-by: Da...
```diff diff --git a/net/l2tp/l2tp_eth.c b/net/l2tp/l2tp_eth.c index 443591d629ca..185f12f4a5fa 100644 --- a/net/l2tp/l2tp_eth.c +++ b/net/l2tp/l2tp_eth.c @@ -162,6 +162,7 @@ static void l2tp_eth_delete(struct l2tp_session *session) if (dev) { unregister_netdev(dev); spriv->dev = NULL; + module_put(THIS_MO...
350ab15bb2ffe7103bc6bf6c634f3c5b286eaf2a
Analyze and fix the following issue in the Linux kernel code: ARM i.MX imx21ads: Fix overlapping static i/o mappings
Problem Details: The statically defined I/O memory regions for the i.MX21 on chip peripherals and the on board I/O peripherals of the i.MX21ADS board overlap. This results in a kernel crash during startup. This is fixed by reducing the memory range for the on board I/O peripherals to the actually required range. Signe...
```diff diff --git a/arch/arm/mach-imx/mach-mx21ads.c b/arch/arm/mach-imx/mach-mx21ads.c index e432d4acee1f..4460d25faae1 100644 --- a/arch/arm/mach-imx/mach-mx21ads.c +++ b/arch/arm/mach-imx/mach-mx21ads.c @@ -32,7 +32,7 @@ * Memory-mapped I/O on MX21ADS base board */ #define MX21ADS_MMIO_BASE_ADDR 0xf5000000 -...
169e9cbd77db23fe50bc8ba68bf081adb67b4220
Analyze and fix the following issue in the Linux kernel code: x86, cpu, amd: Fix crash as Xen Dom0 on AMD Trinity systems
Problem Details: f7f286a910221 ("x86/amd: Re-enable CPU topology extensions in case BIOS has disabled it") wrongfully added code which used the AMD-specific {rd,wr}msr variants for no real reason. This caused boot panics on xen which wasn't initializing the {rd,wr}msr_safe_regs pv_ops members properly. This, in turn,...
```diff diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c index 146bb6218eec..80ccd99542e6 100644 --- a/arch/x86/kernel/cpu/amd.c +++ b/arch/x86/kernel/cpu/amd.c @@ -586,9 +586,9 @@ static void __cpuinit init_amd(struct cpuinfo_x86 *c) !cpu_has(c, X86_FEATURE_TOPOEXT)) { u64 val; - if (!rdm...
ecd431d95aa04257e977fd6878e4203ce462e7e9
Analyze and fix the following issue in the Linux kernel code: x86, cpu: Fix show_msr MSR accessing function
Problem Details: There's no real reason why, when showing the MSRs on a CPU at boottime, we should be using the AMD-specific variant. Simply use the generic safe one which handles #GPs just fine. Cc: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Borislav Petkov <borislav.petkov@amd.com> Link: http://lkml.kernel.org/r...
```diff diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index 6b9333b429ba..5bbc082c47ad 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -947,7 +947,7 @@ static void __cpuinit __print_cpu_msr(void) index_max = msr_range_array[i].max; for (index = index_mi...
fb47ddc9d5ded3d202335ea29743b9242d54eb5a
Analyze and fix the following issue in the Linux kernel code: NFS4: Fix open bug when pnfs module blacklisted
Problem Details: Signed-off-by: Fred Isaman <iisaman@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
```diff diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h index 29fd23c0efdc..64f90d845f6a 100644 --- a/fs/nfs/pnfs.h +++ b/fs/nfs/pnfs.h @@ -365,7 +365,7 @@ static inline bool pnfs_use_threshold(struct nfs4_threshold **dst, struct nfs4_threshold *src, struct nfs_server *nfss) { - return (dst && src && src->bm != 0 &&...
4085f641e704b1ff1a60f62756f49281a181f707
Analyze and fix the following issue in the Linux kernel code: wl18xx: fix PHY_INIT addresses mem size
Problem Details: was hardcoded 252, now uses the parameters struct size. Signed-off-by: Ido Reis <idor@ti.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
```diff diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index c8d45f011c63..e030b1297a2b 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -540,8 +540,8 @@ static const struct wlcore_partition_set wl18xx_ptable[PART_TABLE_LEN] = ...
602bf40971d7f9a1ec0b7ba2b7e6427849828651
Analyze and fix the following issue in the Linux kernel code: ARM: imx6: exit coherency when shutting down a cpu
Problem Details: There is a system hang issue on imx6q which can easily be seen with running a cpu hotplug stress testing (hotplug secondary cores from user space via sysfs interface for thousands iterations). It turns out that the issue is caused by coherency of the cpu that is being shut down. When shutting down a ...
```diff diff --git a/arch/arm/mach-imx/hotplug.c b/arch/arm/mach-imx/hotplug.c index 89493abd497c..20ed2d56c1af 100644 --- a/arch/arm/mach-imx/hotplug.c +++ b/arch/arm/mach-imx/hotplug.c @@ -12,6 +12,7 @@ #include <linux/errno.h> #include <asm/cacheflush.h> +#include <asm/cp15.h> #include <mach/common.h> int pl...
a5506049500b30dbc5edb4d07a3577477c1f3643
Analyze and fix the following issue in the Linux kernel code: libceph: fix overflow in osdmap_apply_incremental()
Problem Details: On 32-bit systems, a large `pglen' would overflow `pglen*sizeof(u32)' and bypass the check ceph_decode_need(p, end, pglen*sizeof(u32), bad). It would also overflow the subsequent kmalloc() size, leading to out-of-bounds write. Signed-off-by: Xi Wang <xi.wang@gmail.com> Reviewed-by: Alex Elder <elder@i...
```diff diff --git a/net/ceph/osdmap.c b/net/ceph/osdmap.c index d70aaca4a45d..d3de09f519b2 100644 --- a/net/ceph/osdmap.c +++ b/net/ceph/osdmap.c @@ -893,6 +893,10 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end, (void) __remove_pg_mapping(&map->pg_temp, pgid); /* insert */ + if (pglen ...
e91a9b639a691e0982088b5954eaafb5a25c8f1c
Analyze and fix the following issue in the Linux kernel code: libceph: fix overflow in osdmap_decode()
Problem Details: On 32-bit systems, a large `n' would overflow `n * sizeof(u32)' and bypass the check ceph_decode_need(p, end, n * sizeof(u32), bad). It would also overflow the subsequent kmalloc() size, leading to out-of-bounds write. Signed-off-by: Xi Wang <xi.wang@gmail.com> Reviewed-by: Alex Elder <elder@inktank....
```diff diff --git a/net/ceph/osdmap.c b/net/ceph/osdmap.c index df47871b8389..d70aaca4a45d 100644 --- a/net/ceph/osdmap.c +++ b/net/ceph/osdmap.c @@ -667,6 +667,9 @@ struct ceph_osdmap *osdmap_decode(void **p, void *end) ceph_decode_need(p, end, sizeof(u32) + sizeof(u64), bad); ceph_decode_copy(p, &pgid, sizeof(...
ad3b904c07dfa88603689bf9a67bffbb9b99beb5
Analyze and fix the following issue in the Linux kernel code: libceph: fix overflow in __decode_pool_names()
Problem Details: `len' is read from network and thus needs validation. Otherwise a large `len' would cause out-of-bounds access via the memcpy() call. In addition, len = 0xffffffff would overflow the kmalloc() size, leading to out-of-bounds write. This patch adds a check of `len' via ceph_decode_need(). Also use kst...
```diff diff --git a/net/ceph/osdmap.c b/net/ceph/osdmap.c index 1892c523c43c..df47871b8389 100644 --- a/net/ceph/osdmap.c +++ b/net/ceph/osdmap.c @@ -488,15 +488,16 @@ static int __decode_pool_names(void **p, void *end, struct ceph_osdmap *map) ceph_decode_32_safe(p, end, pool, bad); ceph_decode_32_safe(p, end, ...
43643528cce60ca184fe8197efa8e8da7c89a037
Analyze and fix the following issue in the Linux kernel code: rbd: Clear ceph_msg->bio_iter for retransmitted message
Problem Details: The bug can cause NULL pointer dereference in write_partial_msg_pages Signed-off-by: Zheng Yan <zheng.z.yan@intel.com> Reviewed-by: Alex Elder <elder@inktank.com>
```diff diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c index 3857f815c035..769a2c9fe1af 100644 --- a/net/ceph/messenger.c +++ b/net/ceph/messenger.c @@ -649,6 +649,10 @@ static void prepare_write_message(struct ceph_connection *con) m->hdr.seq = cpu_to_le64(++con->out_seq); m->needs_out_seq = false; }...
d109e9af61a6d2fdf33dc615ab8b724a8e75a8a4
Analyze and fix the following issue in the Linux kernel code: netfilter: nf_ct_h323: fix bug in rtcp natting
Problem Details: The nat_rtp_rtcp hook takes two separate parameters port and rtp_port. port is expected to be the real h245 address (found inside the packet). rtp_port is the even number closest to port (RTP ports are even and RTCP ports are odd). However currently, both port and rtp_port are having same value (both...
```diff diff --git a/net/netfilter/nf_conntrack_h323_main.c b/net/netfilter/nf_conntrack_h323_main.c index 46d69d7f1bb4..31f50bc3a312 100644 --- a/net/netfilter/nf_conntrack_h323_main.c +++ b/net/netfilter/nf_conntrack_h323_main.c @@ -270,9 +270,8 @@ static int expect_rtp_rtcp(struct sk_buff *skb, struct nf_conn *ct, ...
d1992b169d31f339dc5ea4e9f312567c8cf322a3
Analyze and fix the following issue in the Linux kernel code: netfilter: xt_HMARK: fix endianness and provide consistent hashing
Problem Details: This patch addresses two issues: a) Fix usage of u32 and __be32 that causes endianess warnings via sparse. b) Ensure consistent hashing in a cluster that is composed of big and little endian systems. Thus, we obtain the same hash mark in an heterogeneous cluster. Reported-by: Dan Carpenter <dan...
```diff diff --git a/include/linux/netfilter/xt_HMARK.h b/include/linux/netfilter/xt_HMARK.h index abb1650940d2..826fc5807577 100644 --- a/include/linux/netfilter/xt_HMARK.h +++ b/include/linux/netfilter/xt_HMARK.h @@ -27,7 +27,12 @@ union hmark_ports { __u16 src; __u16 dst; } p16; + struct { + __be16 src; + ...
f2f12b6fc032c7b1419fd6db84e2868b5f05a878
Analyze and fix the following issue in the Linux kernel code: iommu/amd: Fix missing iommu_shutdown initialization in passthrough mode
Problem Details: The iommu_shutdown callback is not initialized when the AMD IOMMU driver runs in passthrough mode. Fix that by moving the callback initialization before the check for passthrough mode. Signed-off-by: Shuah Khan <shuah.khan@hp.com> Cc: stable@vger.kernel.org Signed-off-by: Joerg Roedel <joerg.roedel@am...
```diff diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c index 542024ba6dba..c04ddca7f12f 100644 --- a/drivers/iommu/amd_iommu_init.c +++ b/drivers/iommu/amd_iommu_init.c @@ -1641,6 +1641,8 @@ static int __init amd_iommu_init(void) amd_iommu_init_api(); + x86_platform.iommu_shutdown = ...
5a67ac572e102f7d877b8a3a18a59315186e3e99
Analyze and fix the following issue in the Linux kernel code: DMA: PL330: Add missing static storage class specifier
Problem Details: Fixes the following sparse warning: drivers/dma/pl330.c:2542:5: warning: symbol 'add_desc' was not declared. Should it be static? Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
```diff diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c index 6d550421da7a..3ce7d553a746 100644 --- a/drivers/dma/pl330.c +++ b/drivers/dma/pl330.c @@ -2539,7 +2539,7 @@ static inline void _init_desc(struct dma_pl330_desc *desc) } /* Returns the number of descriptors added to the DMAC pool */ -int add_desc(s...
8e2e27c7444ba7880aa0a4cb07a79de130d0ed93
Analyze and fix the following issue in the Linux kernel code: dma: imx-sdma: buf_tail should be initialize in prepare function
Problem Details: This fix audio underrun issue. When SNDRV_PCM_TRIGGER_STOP and SNDRV_PCM_TRIGGER_START, it calls prepare again. buf_tail should be reset to zero. So move buf_tail initialization into prepare function. Signed-off-by: Richard Zhao <richard.zhao@freescale.com> Acked-by: Shawn Guo <shawn.guo@linaro.org> S...
```diff diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index fb4f4990f5eb..1dc2a4ad0026 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -815,8 +815,6 @@ static int sdma_request_channel(struct sdma_channel *sdmac) init_completion(&sdmac->done); - sdmac->buf_tail = 0; - return 0;...
30c1dc0ff30b5552e8af555265dbeac5637cbb48
Analyze and fix the following issue in the Linux kernel code: dmaengine: pl330: dont complete descriptor for cyclic dma
Problem Details: Commit eab215855803 ("dmaengine: pl330: dont complete descriptor for cyclic dma") wrongly completes descriptor for cyclic dma, hence following BUG_ON is still hit with cyclic DMA operations. kernel BUG at drivers/dma/dmaengine.h:53! Signed-off-by: Tushar Behera <tushar.behera@linaro.org> Acked-by: Ja...
```diff diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c index cbcc28e79be6..6d550421da7a 100644 --- a/drivers/dma/pl330.c +++ b/drivers/dma/pl330.c @@ -2321,7 +2321,7 @@ static void pl330_tasklet(unsigned long data) /* Pick up ripe tomatoes */ list_for_each_entry_safe(desc, _dt, &pch->work_list, node) if ...
818039c7d597db3b1d30964a8f9489ac42c0642d
Analyze and fix the following issue in the Linux kernel code: UBIFS: fix debugfs-less systems support
Problem Details: Commit "f70b7e5 UBIFS: remove Kconfig debugging option" broke UBIFS and it refuses to initialize if debugfs (CONFIG_DEBUG_FS) is disabled. I incorrectly assumed that debugfs files creation function will return success if debugfs is disabled, but they actually return -ENODEV. This patch fixes the issue....
```diff diff --git a/fs/ubifs/debug.c b/fs/ubifs/debug.c index 685a83756b2b..84a7e6f3c046 100644 --- a/fs/ubifs/debug.c +++ b/fs/ubifs/debug.c @@ -2918,6 +2918,9 @@ int dbg_debugfs_init_fs(struct ubifs_info *c) struct dentry *dent; struct ubifs_debug_info *d = c->dbg; + if (!IS_ENABLED(DEBUG_FS)) + return 0; + ...
e9b4cf2094a65a05a831f070e46c554260632330
Analyze and fix the following issue in the Linux kernel code: UBI: fix debugfs-less systems support
Problem Details: Commit "aa44d1d UBI: remove Kconfig debugging option" broke UBI and it refuses to initialize if debugfs (CONFIG_DEBUG_FS) is disabled. I incorrectly assumed that debugfs files creation function will return success if debugfs is disabled, but they actually return -ENODEV. This patch fixes the issue. Re...
```diff diff --git a/drivers/mtd/ubi/debug.c b/drivers/mtd/ubi/debug.c index 9f957c2d48e9..09d4f8d9d592 100644 --- a/drivers/mtd/ubi/debug.c +++ b/drivers/mtd/ubi/debug.c @@ -264,6 +264,9 @@ static struct dentry *dfs_rootdir; */ int ubi_debugfs_init(void) { + if (!IS_ENABLED(DEBUG_FS)) + return 0; + dfs_rootdir ...
74dcd439bf8c16b01f9f5a9dffb2b171ed94e2e5
Analyze and fix the following issue in the Linux kernel code: iio: iio_enum_available_read: Prevent possible buffer overflow
Problem Details: Use scnprint instead of snprintf, because snprintf returns the number of bytes that would have been written to the buffer if there was enough space, and as a result writing to buf[len-1] might cause a access beyond the buffers limits. Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by...
```diff diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c index 56a3c0bc996c..cf9ecd0ae7c9 100644 --- a/drivers/iio/industrialio-core.c +++ b/drivers/iio/industrialio-core.c @@ -300,7 +300,7 @@ ssize_t iio_enum_available_read(struct iio_dev *indio_dev, return 0; for (i = 0; i < e->nu...
a21e6bfeb40eddf365d3e7841b37f3708fa6b13f
Analyze and fix the following issue in the Linux kernel code: iio: adf4350: fix compiler warning [-Wuninitialized]
Problem Details: drivers/iio/frequency/adf4350.c:316:32: warning: ‘val’ may be used uninitialized in this function [-Wuninitialized] Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Reported-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org...
```diff diff --git a/drivers/iio/frequency/adf4350.c b/drivers/iio/frequency/adf4350.c index fd4c8501aba9..2d09f82d9752 100644 --- a/drivers/iio/frequency/adf4350.c +++ b/drivers/iio/frequency/adf4350.c @@ -310,6 +310,8 @@ static ssize_t adf4350_read(struct iio_dev *indio_dev, case ADF4350_PWRDOWN: val = !!(st->re...
20cf70082440ffabbec5c275726f68fe53872c94
Analyze and fix the following issue in the Linux kernel code: Staging: ipack/bridges/tpci200: fix kernel oops when uninstalling a device
Problem Details: When uninstalling a device, the call to the ipack_bus_ops remove() frees resources in the ipack device driver but without unregistering the device. It generates a kernel oops when somebody wants to unregister the device. Signed-off-by: Samuel Iglesias Gonsalvez <siglesias@igalia.com> Signed-off-by: G...
```diff diff --git a/drivers/staging/ipack/bridges/tpci200.c b/drivers/staging/ipack/bridges/tpci200.c index e04cb8ade9e7..46127bca1af2 100644 --- a/drivers/staging/ipack/bridges/tpci200.c +++ b/drivers/staging/ipack/bridges/tpci200.c @@ -751,23 +751,12 @@ out: return res; } -static void tpci200_slot_remove(struct...
e149ef80b08d92a27a9a8333719fe392955af798
Analyze and fix the following issue in the Linux kernel code: Staging: ipack/bridges/tpci200: fix indention.
Problem Details: Signed-off-by: Samuel Iglesias Gonsalvez <siglesias@igalia.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
```diff diff --git a/drivers/staging/ipack/bridges/tpci200.c b/drivers/staging/ipack/bridges/tpci200.c index ee26d9a7e370..24070a3ff210 100644 --- a/drivers/staging/ipack/bridges/tpci200.c +++ b/drivers/staging/ipack/bridges/tpci200.c @@ -582,7 +582,7 @@ static int tpci200_slot_unmap_space(struct ipack_device *dev, int...
786d986ea25632e3d8e7ad5ac2780861ff2b654f
Analyze and fix the following issue in the Linux kernel code: Staging: ipack/bridges/tpci200: check if the remove function is available
Problem Details: To avoid a dereference of a NULL pointer, the availability of the function is checked before its use. Signed-off-by: Samuel Iglesias Gonsalvez <siglesias@igalia.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
```diff diff --git a/drivers/staging/ipack/bridges/tpci200.c b/drivers/staging/ipack/bridges/tpci200.c index 0c2a50a1ec00..ee26d9a7e370 100644 --- a/drivers/staging/ipack/bridges/tpci200.c +++ b/drivers/staging/ipack/bridges/tpci200.c @@ -764,6 +764,8 @@ out: static void tpci200_slot_remove(struct tpci200_slot *slot) ...
f2bf1f6f5f89d031245067512449fc889b2f4bb2
Analyze and fix the following issue in the Linux kernel code: tracing: Have tracing_off() actually turn tracing off
Problem Details: A recent update to have tracing_on/off() only affect the ftrace ring buffers instead of all ring buffers had a cut and paste error. The tracing_off() did the exact same thing as tracing_on() and would not actually turn off tracing. Unfortunately, tracing_off() is more important to be working than traci...
```diff diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 68032c6177db..49249c28690d 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -371,7 +371,7 @@ EXPORT_SYMBOL_GPL(tracing_on); void tracing_off(void) { if (global_trace.buffer) - ring_buffer_record_on(global_trace.buffer); + ring_b...
ea80dadec7a06889562b478cf0b87afbe62b7ac8
Analyze and fix the following issue in the Linux kernel code: [SCSI] Fix sd_probe_domain config problem
Problem Details: With CONFIG_BLK_DEV_SD = n and CONFIG_PM = n, you get this compile failure: (.text+0x4f6c77): undefined reference to `scsi_sd_probe_domain' This was introduced by commit a7a20d103994fd760766e6c9d494daa569cbfe06 Author: Dan Williams <dan.j.williams@intel.com> Date: Thu Mar 22 17:05:11 2012 -0700 ...
```diff diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c index 61c82a345f82..bbbc9c918d4c 100644 --- a/drivers/scsi/scsi.c +++ b/drivers/scsi/scsi.c @@ -90,11 +90,9 @@ unsigned int scsi_logging_level; EXPORT_SYMBOL(scsi_logging_level); #endif -#if IS_ENABLED(CONFIG_PM) || IS_ENABLED(CONFIG_BLK_DEV_SD) -/* sd ...
23e81d691a813839020f6e516b398d0f9369fe8b
Analyze and fix the following issue in the Linux kernel code: drm/i915: pch_irq_handler -> {ibx, cpt}_irq_handler
Problem Details: Cougar/Panther Point redefine the bits in SDEIIR pretty completely. This function is just debugging, but if we're debugging we probably want to be told accurate things instead of lies. I'm told Lynx Point changes this yet more, but I have no idea how... Note from Eugeni's review: "For the record and...
```diff diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 1417660a93ec..b1fe0edda955 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -510,7 +510,7 @@ out: return ret; } -static void pch_irq_handler(struct drm_device *dev, u32 pch_iir) +static...
07c15a3ffd68ff1a3276daa26885b277f19e4abd
Analyze and fix the following issue in the Linux kernel code: ath9k: Fix powersave locking
Problem Details: The 'ps_flags' is used/accessed in a variety of contexts and requires proper locking. Use 'sc_pm_lock' appropriately. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.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 34d6f26c6bc7..88f7ad106e05 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -345,7 +345,7 @@ void ath9k_tasklet(unsigned long data) struct ath_softc *sc = (struct a...
af68abadac378f7a4a44fe766383e7b88c7f9c3b
Analyze and fix the following issue in the Linux kernel code: ath9k: Fix work handling
Problem Details: * Currently, there is no synchronization between the reset work and the tx-poll work. Fix this and make sure that we bail out properly if a reset work is in progress. * Cleanup the PLL WAR and enable it for AR9340 too and use a helper for restarting work/timers after a reset. Signed-off-by: Suj...
```diff diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h index d804416092ce..2faa181d8fcf 100644 --- a/drivers/net/wireless/ath/ath9k/ath9k.h +++ b/drivers/net/wireless/ath/ath9k/ath9k.h @@ -431,6 +431,7 @@ void ath9k_set_beaconing_status(struct ath_softc *sc, bool status); ...
153dccd467b818b1dd3a6801b14e94a7a48ef859
Analyze and fix the following issue in the Linux kernel code: ath9k_hw: fix power state for MCI
Problem Details: Program MCI related power registers only if MCI interrupts are enabled. This could help to reduce power consumptions when WLAN alone is enabled in BT coex chips. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index 98478fd5d284..45e670087e1c 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -2009,12 +2009,9 @@ static void ath9k_set_power_sleep(struct ath_hw *ah) REG_SET_BIT(ah, AR_STA_...
99922a45e96b22df387823ad5ecfe4dc26a96c9e
Analyze and fix the following issue in the Linux kernel code: ath9k_hw: fix BT RF performance
Problem Details: When software rfkill is triggered, before put the chip in reset state, give LNA and SPDT control to BT to make sure BT can have good RF performance. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mci.c b/drivers/net/wireless/ath/ath9k/ar9003_mci.c index 854dff66a63f..8b09a8239c1c 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_mci.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_mci.c @@ -1391,3 +1391,19 @@ u32 ar9003_mci_state(struct ath_hw *ah, u32 st...
4fb7175bbd6a32899617b96b0b73c2ad651dfd03
Analyze and fix the following issue in the Linux kernel code: ath9k_hw: fix IQ calibration chain index
Problem Details: The chain index to perform IQ calibration is counted to number of valid tx chains and then used for indexing chain specific registers. If the chainmask is set to 0x2 (i.e chain 1 only), still it accesses chain 0 registers for chain 1. So use real chain index instead sequential one. Signed-off-by: Rajk...
```diff diff --git a/drivers/net/wireless/ath/ath9k/ar9003_calib.c b/drivers/net/wireless/ath/ath9k/ar9003_calib.c index f83a4a2e1da2..d7deb8c9f299 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c @@ -653,7 +653,6 @@ static void ar9003_hw_detect_outlier(int ...
4f6bd1a8dfcc649912310777a44c49849ae2a63d
Analyze and fix the following issue in the Linux kernel code: ath9k: cleanup MCI indentation
Problem Details: Fix bad indentation & if nesting to lose about two levels of unnecessary indentation. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mci.c b/drivers/net/wireless/ath/ath9k/ar9003_mci.c index b501bf143437..854dff66a63f 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_mci.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_mci.c @@ -35,31 +35,30 @@ static int ar9003_mci_wait_for_interrupt(struct a...
5d294a168012ec9a5258efae0a1282e94691a5d4
Analyze and fix the following issue in the Linux kernel code: ath9k_hw: update ar9462 initval table to fix rx
Problem Details: The wrong ADC sample phase that happen between awake and network/full sleep will lead to improper rx noisefloor calibration. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/drivers/net/wireless/ath/ath9k/ar9462_2p0_initvals.h b/drivers/net/wireless/ath/ath9k/ar9462_2p0_initvals.h index 1d6658e139b5..a10ece0cb6cd 100644 --- a/drivers/net/wireless/ath/ath9k/ar9462_2p0_initvals.h +++ b/drivers/net/wireless/ath/ath9k/ar9462_2p0_initvals.h @@ -958,7 +958,7 @@ static const ...
2fd5d35bc87a301d5c10397c5b38a4ec8532a975
Analyze and fix the following issue in the Linux kernel code: ath9k_hw: Fix variable usage
Problem Details: Exposed by sparse: ar9003_mci.c:1134:31: warning: Using plain integer as NULL pointer Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mci.c b/drivers/net/wireless/ath/ath9k/ar9003_mci.c index 9331d73f69aa..b501bf143437 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_mci.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_mci.c @@ -1131,7 +1131,7 @@ void ar9003_mci_init_cal_req(struct ath_hw *ah,...
5955b2b0ef208e03188ef1c2810c004bde493253
Analyze and fix the following issue in the Linux kernel code: ath9k_hw: Fix MCI usage
Problem Details: MCI has to be handled only when BTCOEX is actually enabled. Check for this condition before calling MCI related functions from various reset/calibration call-sites. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/drivers/net/wireless/ath/ath9k/ar9003_calib.c b/drivers/net/wireless/ath/ath9k/ar9003_calib.c index 9fdd70fcaf5b..f83a4a2e1da2 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c @@ -901,7 +901,6 @@ static bool ar9003_hw_init_cal(struct ath...
83c7a52dcce256fc20cd43dbf6866e3e05f2bf71
Analyze and fix the following issue in the Linux kernel code: ath9k_hw: Fix AR_RTC_KEEP_AWAKE usage
Problem Details: The default value that is being programmed to AR_RTC_KEEP_AWAKE is 0x2, there is no need to program it manually in various functions. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mci.c b/drivers/net/wireless/ath/ath9k/ar9003_mci.c index ffbb180f91e1..9331d73f69aa 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_mci.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_mci.c @@ -330,7 +330,6 @@ void ar9003_mci_set_full_sleep(struct ath_hw *ah)...
ebf348fcd088e3ffc6e76f6f349e27d30604865b
Analyze and fix the following issue in the Linux kernel code: cfg80211: validate remain-on-channel time better
Problem Details: The remain-on-channel time validation shouldn't depend on the value of HZ, as it does now with the check against jiffies, since then you might use a value that works on one system but not on another. Fix it by checking against a minimum that's fixed. Also add validation of the wait duration for a mana...
```diff diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h index 85e5037a218d..970afdf5a605 100644 --- a/include/linux/nl80211.h +++ b/include/linux/nl80211.h @@ -1522,6 +1522,8 @@ enum nl80211_attrs { #define NL80211_MAX_NR_CIPHER_SUITES 5 #define NL80211_MAX_NR_AKM_SUITES 2 +#define NL80211_MIN_REMA...
620a55687b20c23ca7b8d8560b0e8fb3ca13869a
Analyze and fix the following issue in the Linux kernel code: ath9k: fix/add bits for spectral scanning
Problem Details: Updates for spectral scanning register modification for AR93x: * fix bits for spectral_scan_count * add bits for new parameters Signed-off-by: Zefir Kurtisi <zefir.kurtisi@neratec.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.h b/drivers/net/wireless/ath/ath9k/ar9003_phy.h index 7268a48a92a1..ed662c3bae5b 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_phy.h +++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.h @@ -820,18 +820,26 @@ #define AR_PHY_CHAN_INFO_MEMORY_CAPTURE_MASK ...
27e49ca95570c4685a32be9d4664f2b0b6d89368
Analyze and fix the following issue in the Linux kernel code: rfkill: Add the capability to switch all devices of all type in __rfkill_switch_all().
Problem Details: __rfkill_switch_all() switches the state of devices of a given type; however, it does not switch devices of all type (RFKILL_TYPE_ALL). As a result, it ignores the keycode "KEY_RFKILL" from another module, i.e. eeepc-wmi. This fix is to make __rfkill_switch_all() to be able to switch not only devices ...
```diff diff --git a/net/rfkill/core.c b/net/rfkill/core.c index f974961754ca..752b72360ebc 100644 --- a/net/rfkill/core.c +++ b/net/rfkill/core.c @@ -325,7 +325,7 @@ static void __rfkill_switch_all(const enum rfkill_type type, bool blocked) rfkill_global_states[type].cur = blocked; list_for_each_entry(rfkill, &r...
55432d2b543a4b6dfae54f5c432a566877a85d90
Analyze and fix the following issue in the Linux kernel code: inetpeer: fix a race in inetpeer_gc_worker()
Problem Details: commit 5faa5df1fa2024 (inetpeer: Invalidate the inetpeer tree along with the routing cache) added a race : Before freeing an inetpeer, we must respect a RCU grace period, and make sure no user will attempt to increase refcnt. inetpeer_invalidate_tree() waits for a RCU grace period before inserting in...
```diff diff --git a/include/net/inetpeer.h b/include/net/inetpeer.h index b94765e38e80..2040bff945d4 100644 --- a/include/net/inetpeer.h +++ b/include/net/inetpeer.h @@ -40,7 +40,10 @@ struct inet_peer { u32 pmtu_orig; u32 pmtu_learned; struct inetpeer_addr_base redirect_learned; - struct list_head gc_list; ...
9a43a02648e8414b2a757437820aa928208fc42f
Analyze and fix the following issue in the Linux kernel code: mv643xx_eth: Fix compile error for architectures without clk.
Problem Details: Commit 452503ebc (ARM: Orion: Eth: Add clk/clkdev support.) broke the building of the driver on architectures which don't have clk support. In particular PPC32 Pegasos which uses this driver. Add #ifdef around the clk API usage. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Mill...
```diff diff --git a/drivers/net/ethernet/marvell/mv643xx_eth.c b/drivers/net/ethernet/marvell/mv643xx_eth.c index 04d901d0ff63..f0f06b2bc28b 100644 --- a/drivers/net/ethernet/marvell/mv643xx_eth.c +++ b/drivers/net/ethernet/marvell/mv643xx_eth.c @@ -436,7 +436,9 @@ struct mv643xx_eth_private { /* * Hardware-speci...
027253c138a12b075e724f94b6cc43fd7071c14f
Analyze and fix the following issue in the Linux kernel code: ide: icside.c: fix printk format string compile warning
Problem Details: Use correct format string parameter for the peak datarate, and prevent uninitialized use of cycle_time. Signed-off-by: Christian Dietrich <christian.dietrich@informatik.uni-erlangen.de> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/drivers/ide/icside.c b/drivers/ide/icside.c index 83e5100d73f6..bcb507b0cfd4 100644 --- a/drivers/ide/icside.c +++ b/drivers/ide/icside.c @@ -236,7 +236,7 @@ static const struct ide_port_ops icside_v6_no_dma_port_ops = { */ static void icside_set_dma_mode(ide_hwif_t *hwif, ide_drive_t *drive) {...
32a527add871a51b3c06177849d18bf71e33b320
Analyze and fix the following issue in the Linux kernel code: ide: icside.c: Fix compile with CONFIG_BLK_DEV_IDEDMA_ICS=n
Problem Details: The icside driver can be configured without DMA support, but it doesn't compile then, because DMA operations are referenced. drivers/ide/icside.c:523: error: 'icside_v6_port_ops' undeclared drivers/ide/icside.c:522: error: 'icside_dma_init' undeclared Signed-off-by: Christian Dietrich<christian.dietr...
```diff diff --git a/drivers/ide/icside.c b/drivers/ide/icside.c index 8716066a2f2b..83e5100d73f6 100644 --- a/drivers/ide/icside.c +++ b/drivers/ide/icside.c @@ -375,8 +375,6 @@ static const struct ide_dma_ops icside_v6_dma_ops = { .dma_test_irq = icside_dma_test_irq, .dma_lost_irq = ide_dma_lost_irq, }; -#else...
fc2d004419abebcfd740f46c32dd8201ce1b33c9
Analyze and fix the following issue in the Linux kernel code: IB/mlx4: Fix max_wqe capacity reported from query device
Problem Details: 1. Limit the max number of WQEs per QP reported when querying the device, so that ib_create_qp() will not fail for a QP size that the device claimed to support due to additional headroom WQEs being allocated. 2. Limit qp resources accepted for ib_create_qp() to the limits reported in ib_qu...
```diff diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index 8afea12c8d44..3530c41fcd1f 100644 --- a/drivers/infiniband/hw/mlx4/main.c +++ b/drivers/infiniband/hw/mlx4/main.c @@ -140,7 +140,7 @@ static int mlx4_ib_query_device(struct ib_device *ibdev, props->max_mr_size = ~0ull;...
edc4a67e15e34d2b3a2ab968625fd157751125d8
Analyze and fix the following issue in the Linux kernel code: mlx4_core: Fix setting VL_cap in mlx4_SET_PORT wrapper flow
Problem Details: Commit 096335b3f983 ("mlx4_core: Allow dynamic MTU configuration for IB ports") modifies the port VL setting. This exposes a bug in mlx4_common_set_port(), where the VL cap value passed in (inside the command mailbox) is incorrectly zeroed-out: mlx4_SET_PORT modifies the VL_cap field (byte 3 of the m...
```diff diff --git a/drivers/net/ethernet/mellanox/mlx4/port.c b/drivers/net/ethernet/mellanox/mlx4/port.c index 1fe2c7a8b40c..a8fb52992c64 100644 --- a/drivers/net/ethernet/mellanox/mlx4/port.c +++ b/drivers/net/ethernet/mellanox/mlx4/port.c @@ -697,10 +697,10 @@ static int mlx4_common_set_port(struct mlx4_dev *dev, i...
ba27ec66ffeb78cbf9f85e168b32551a9aaf2a34
Analyze and fix the following issue in the Linux kernel code: stmmac: fix driver Kconfig when built as module
Problem Details: This patches fixes the driver when built as dynamic module. In fact, the platform part cannot be built and the probe fails (thanks to Bob Liu that reported this bug). v2: as D. Miller suggested, it is not necessary to make the pci and the platform code mutually exclusive. Having both could also help, ...
```diff diff --git a/drivers/net/ethernet/stmicro/stmmac/Kconfig b/drivers/net/ethernet/stmicro/stmmac/Kconfig index 036428348faa..0076f770e637 100644 --- a/drivers/net/ethernet/stmicro/stmmac/Kconfig +++ b/drivers/net/ethernet/stmicro/stmmac/Kconfig @@ -13,9 +13,8 @@ config STMMAC_ETH if STMMAC_ETH config STMMAC_P...
ff3dd78cb8055bcb3a10e526044d8b54a773c612
Analyze and fix the following issue in the Linux kernel code: stmmac: fix driver's doc when run kernel-doc script
Problem Details: Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 70966330f44e..ea33eae22eeb 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -833,8 +833,9 @@ static u32 stmmac_get_syn...
587cc286c8a8e22bbe4521c331b88d62d0cb1076
Analyze and fix the following issue in the Linux kernel code: wlcore: compare ssid_len before comparing ssids
Problem Details: When comparing 2 ssids the ssid_len must be taken into account. Otherwise, a substring will be treated as equal. This bug might cause ssids to get scanned as public ssids (rather than hidden), resulting in broadcast probe request (instead of ssid-specific ones) Signed-off-by: Eliad Peller <eliad@wize...
```diff diff --git a/drivers/net/wireless/ti/wlcore/scan.c b/drivers/net/wireless/ti/wlcore/scan.c index 94668d8ba14e..e1dbe812615f 100644 --- a/drivers/net/wireless/ti/wlcore/scan.c +++ b/drivers/net/wireless/ti/wlcore/scan.c @@ -605,7 +605,9 @@ wl12xx_scan_sched_scan_ssid_list(struct wl1271 *wl, continue; ...
7f6400626631454f5b535eb92c09a35390777a52
Analyze and fix the following issue in the Linux kernel code: be2net: fix reporting number of actual rx queues
Problem Details: Signed-off-by: Sathya Perla <sathya.perla@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 695c3cf76e8d..3aa478f50358 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -1890,6 +1890,12 @@ static int be_rx_cqs_create(struct be_adapter ...
1c2ac3fde3e35279958e7b0408e2dcf866465301
Analyze and fix the following issue in the Linux kernel code: perf/x86: Fix wrmsrl() debug wrapper
Problem Details: Move the wrmslr() debug wrapper to the common header now that all the include games are gone. Also clean it up a bit to avoid multiple evaluation of the argument. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/n/tip-l4gkfnivwv4yi5mqxjlovymx@git.kernel.org Signed-of...
```diff diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c index c4706cf9c011..43c2017347e7 100644 --- a/arch/x86/kernel/cpu/perf_event.c +++ b/arch/x86/kernel/cpu/perf_event.c @@ -35,17 +35,6 @@ #include "perf_event.h" -#if 0 -#undef wrmsrl -#define wrmsrl(msr, val) \ -do { ...
5a425294ee7d4ab5a374248e85838dfd450caf75
Analyze and fix the following issue in the Linux kernel code: perf/x86: Fix Intel shared extra MSR allocation
Problem Details: Zheng Yan reported that event group validation can wreck event state when Intel extra_reg allocation changes event state. Validation shouldn't change any persistent state. Cloning events in validate_{event,group}() isn't really pretty either, so add a few special cases to avoid modifying the event sta...
```diff diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c index e049d6da0183..cb608383e4f6 100644 --- a/arch/x86/kernel/cpu/perf_event.c +++ b/arch/x86/kernel/cpu/perf_event.c @@ -1496,6 +1496,7 @@ static struct cpu_hw_events *allocate_fake_cpuc(void) if (!cpuc->shared_regs) goto e...
a841f8cef4bb124f0f5563314d0beaf2e1249d72
Analyze and fix the following issue in the Linux kernel code: sched: Fix the relax_domain_level boot parameter
Problem Details: It does not get processed because sched_domain_level_max is 0 at the time that setup_relax_domain_level() is run. Simply accept the value as it is, as we don't know the value of sched_domain_level_max until sched domain construction is completed. Fix sched_relax_domain_level in cpuset. The build_sch...
```diff diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 2bdd17616437..d5594a4268d4 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -6268,11 +6268,8 @@ int sched_domain_level_max; static int __init setup_relax_domain_level(char *str) { - unsigned long val; - - val = simple_strtoul(str, NUL...
67384fe3fd450536342330f684ea1f7dcaef8130
Analyze and fix the following issue in the Linux kernel code: char/agp: add another Ironlake host bridge
Problem Details: This seems to come on Gigabyte H55M-S2V and was discovered through the https://bugs.freedesktop.org/show_bug.cgi?id=50381 debugging. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=50381 Signed-off-by: Eugeni Dodonov <eugeni.dodonov@intel.com> Cc: stable@vger.kernel.org Signed-off-by: Daniel Ve...
```diff diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c index 764f70c5e690..0a4185279417 100644 --- a/drivers/char/agp/intel-agp.c +++ b/drivers/char/agp/intel-agp.c @@ -898,6 +898,7 @@ static struct pci_device_id agp_intel_pci_table[] = { ID(PCI_DEVICE_ID_INTEL_B43_HB), ID(PCI_DEVICE_ID_IN...