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8ffa68755a0eddf3baeecd0e7612a5106cf2db23
Analyze and fix the following issue in the Linux kernel code: SLUB: Fix NUMA / SYSFS bootstrap issue
Problem Details: We need this patch in ASAP. Patch fixes the mysterious hang that remained on some particular configurations with lockdep on after the first fix that moved the #idef CONFIG_SLUB_DEBUG to the right location. See http://marc.info/?t=117963072300001&r=1&w=2 The kmem_cache_node cache is very special beca...
```diff diff --git a/mm/slub.c b/mm/slub.c index 3e5aefcb4075..238c5a6ee896 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -2435,6 +2435,7 @@ void __init kmem_cache_init(void) */ create_kmalloc_cache(&kmalloc_caches[0], "kmem_cache_node", sizeof(struct kmem_cache_node), GFP_KERNEL); + kmalloc_caches[0].refcount = -1...
1fc799e1b4efdbc405d87d9f154d64d9bc299e5c
Analyze and fix the following issue in the Linux kernel code: ntfs_init_locked_inode(): fix array indexing
Problem Details: Local variable `i' is a byte-counter. Don't use it as an index into an array of le32's. Reported-by: "young dave" <hidave.darkstar@gmail.com> Cc: "Christoph Lameter" <clameter@sgi.com> Acked-by: Anton Altaparmakov <aia21@cantab.net> Cc: <stable@kernel.org> Cc: Adrian Bunk <bunk@stusta.de> Signed-off-...
```diff diff --git a/fs/ntfs/inode.c b/fs/ntfs/inode.c index 074791ce4ab2..b532a730cec2 100644 --- a/fs/ntfs/inode.c +++ b/fs/ntfs/inode.c @@ -140,7 +140,7 @@ static int ntfs_init_locked_inode(struct inode *vi, ntfs_attr *na) if (!ni->name) return -ENOMEM; memcpy(ni->name, na->name, i); - ni->name[i] = 0; + ...
ebdf7d399e67499dbd2a6b5154805fb049846cbb
Analyze and fix the following issue in the Linux kernel code: pci-quirks: fix MSI disabling on RS400-200 and RS480
Problem Details: Commit c0affe9db42bf85f4a606b3262c35ec59a5d3788 doesn't work because the host controller is being quirked not a PCI bridge. This patch reverts the commit, rename quirk_svw_msi() to quirk_disable_all_msi() and use it instead. Signed-off-by: Tejun Heo <htejun@gmail.com> Cc: Matias Alejandro Torres <tor...
```diff diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 6ccc2e95930a..1cff65fb9c43 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -1625,18 +1625,20 @@ DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_CK804_PCIE, quirk_nvidia_ck804_pcie_aer_ext_cap); #ifdef CONF...
9af20376ee65cd2d13f7eb587fab70879d8c355b
Analyze and fix the following issue in the Linux kernel code: at91: fix enable/disable_irq_wake symmetry in pcmcia driver
Problem Details: Fix enable_irq_wake and disable_irq_wake symmetry in at91 pcmcia driver disable_irq_wake call must be symmetric with enable_irq_wake. This patch fix that problem for the at91_pcmia driver. It seems that this patch was forgotten when we've fixed irq_wake symmetry in all at91 related drivers. It was d...
```diff diff --git a/drivers/pcmcia/at91_cf.c b/drivers/pcmcia/at91_cf.c index 948efc775a78..eb6abd3f9221 100644 --- a/drivers/pcmcia/at91_cf.c +++ b/drivers/pcmcia/at91_cf.c @@ -336,16 +336,21 @@ static int at91_cf_suspend(struct platform_device *pdev, pm_message_t mesg) enable_irq_wake(board->det_pin); if (boar...
8387c1a46376b8cfc5f4751b27a6c90f930992cf
Analyze and fix the following issue in the Linux kernel code: smpboot: fix cachesize comparison in smp_tune_scheduling()
Problem Details: Jarek Poplawski noted that boot_cpu_data.x86_cache_size is signed int and can be < 0 too. In fact we test for it. Except we assigned it to an unsigned value.. Cc: Jarek Poplawski <jarkao2@o2.pl> Cc: Ingo Molnar <mingo@elte.hu> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Cc: Andi Kleen <ak@suse.de> Cc: ...
```diff diff --git a/arch/i386/kernel/smpboot.c b/arch/i386/kernel/smpboot.c index 08f07a74a9d3..88baed1e7e83 100644 --- a/arch/i386/kernel/smpboot.c +++ b/arch/i386/kernel/smpboot.c @@ -943,10 +943,9 @@ exit: static void smp_tune_scheduling(void) { - unsigned long cachesize; /* kB */ - if (cpu_khz) { - ...
a2b7d2e97edcad0e95ae0d3c253d3f2f69254fa4
Analyze and fix the following issue in the Linux kernel code: neofb: Fix pseudo_palette array overrun in neofb_setcolreg
Problem Details: The pseudo_palette has room for 16 entries only, but in truecolor mode, it attempts to write 256. Signed-off-by: Antonino Daplas <adaplas@gmail.com> Acked-by: Tero Roponen <teanropo@jyu.fi> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
```diff diff --git a/drivers/video/neofb.c b/drivers/video/neofb.c index bd30aba242d0..731d7a5c5aa2 100644 --- a/drivers/video/neofb.c +++ b/drivers/video/neofb.c @@ -1286,34 +1286,36 @@ static int neofb_setcolreg(u_int regno, u_int red, u_int green, u_int blue, if (regno >= fb->cmap.len || regno > 255) return -EI...
1fb8812ba5a4c34b680d4405216310233f3c7573
Analyze and fix the following issue in the Linux kernel code: [SPARC32]: Build fix.
Problem Details: Fix 6197fe4d720ea3e2ee94cdc7ef32d6c0151199de arch/sparc/lib/atomic32.c: In function '__cmpxchg_u32': arch/sparc/lib/atomic32.c:127: error: 'addr' undeclared (first use in this function) arch/sparc/lib/atomic32.c:127: error: (Each undeclared identifier is reported only once arch/sparc/lib/atomic32.c:12...
```diff diff --git a/arch/sparc/lib/atomic32.c b/arch/sparc/lib/atomic32.c index 617d29832e19..cbddeb38ffda 100644 --- a/arch/sparc/lib/atomic32.c +++ b/arch/sparc/lib/atomic32.c @@ -124,10 +124,10 @@ unsigned long __cmpxchg_u32(volatile u32 *ptr, u32 old, u32 new) unsigned long flags; u32 prev; - spin_lock_irqsa...
63313494c4419bd5d60b4f3ef8970a98525ac9d3
Analyze and fix the following issue in the Linux kernel code: [TCP] tcp_probe: a trivial fix for mismatched number of printl arguments.
Problem Details: Just a fix to correct the number of printl arguments. Now, srtt is logging correctly. Signed-off-by: Sangtae Ha <sangtae.ha@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/net/ipv4/tcp_probe.c b/net/ipv4/tcp_probe.c index 3938d5dbdf20..1b72c55d336f 100644 --- a/net/ipv4/tcp_probe.c +++ b/net/ipv4/tcp_probe.c @@ -95,7 +95,7 @@ static int jtcp_rcv_established(struct sock *sk, struct sk_buff *skb, /* Only update if port matches */ if ((port == 0 || ntohs(inet->dport...
4540250be1d724943a55eb9668e6edc1aaae28c4
Analyze and fix the following issue in the Linux kernel code: [IPV6] ADDRCONF: Fix conflicts in DEVCONF_xxx constant.
Problem Details: Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h index 09ea01a8a99c..648bd1f0912d 100644 --- a/include/linux/ipv6.h +++ b/include/linux/ipv6.h @@ -209,9 +209,8 @@ enum { DEVCONF_RTR_PROBE_INTERVAL, DEVCONF_ACCEPT_RA_RT_INFO_MAX_PLEN, DEVCONF_PROXY_NDP, - __DEVCONF_OPTIMISTIC_DAD, - DEVCONF_ACCEPT_...
8c7fc03e27167425a1396320da43533462556b0c
Analyze and fix the following issue in the Linux kernel code: [IPV6]: Fix build warning.
Problem Details: net/ipv6/ip6_fib.c: In function ‘fib6_add_rt2node’: net/ipv6/ip6_fib.c:661: warning: label ‘out’ defined but not used Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c index 154033fdaeb7..662a7d9681fd 100644 --- a/net/ipv6/ip6_fib.c +++ b/net/ipv6/ip6_fib.c @@ -658,7 +658,6 @@ static int fib6_add_rt2node(struct fib6_node *fn, struct rt6_info *rt, * insert node */ -out: rt->u.dst.rt6_next = iter; *ins = rt; rt-...
f282d45cb496e3960046afd3d5f241265eda6fde
Analyze and fix the following issue in the Linux kernel code: [IPSEC]: Fix panic when using inter address familiy IPsec on loopback.
Problem Details: Signed-off-by: Kazunori MIYAZAWA <kazunori@miyazawa.org> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/net/ipv4/xfrm4_input.c b/net/ipv4/xfrm4_input.c index 5ceca951d73f..fa1902dc81b8 100644 --- a/net/ipv4/xfrm4_input.c +++ b/net/ipv4/xfrm4_input.c @@ -139,10 +139,8 @@ int xfrm4_rcv_encap(struct sk_buff *skb, __u16 encap_type) nf_reset(skb); if (decaps) { - if (!(skb->dev->flags&IFF_LOOPBACK)...
7ebba6d14f8d63cad583bf1cc0330b601d5a8171
Analyze and fix the following issue in the Linux kernel code: [IPV6] ROUTE: No longer handle ::/0 specially.
Problem Details: We do not need to handle ::/0 routes specially any longer. This should fix BUG #8349. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Acked-by: Yuji Sekiya <sekiya@wide.ad.jp> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c index ca08ee88d07f..154033fdaeb7 100644 --- a/net/ipv6/ip6_fib.c +++ b/net/ipv6/ip6_fib.c @@ -619,14 +619,6 @@ static int fib6_add_rt2node(struct fib6_node *fn, struct rt6_info *rt, ins = &fn->leaf; - if (fn->fn_flags&RTN_TL_ROOT && - fn->leaf == &i...
144466bdf8c479ae36678ace7a3b8e8b748df6f6
Analyze and fix the following issue in the Linux kernel code: [IPSEC]: Fix IPv6 AH calculation in outbound
Problem Details: Signed-off-by: Kazunori MIYAZAWA <miyazawa@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c index b696c8401200..128f94c79c64 100644 --- a/net/ipv6/ah6.c +++ b/net/ipv6/ah6.c @@ -247,7 +247,7 @@ static int ah6_output(struct xfrm_state *x, struct sk_buff *skb) memcpy(tmp_base, top_iph, sizeof(tmp_base)); tmp_ext = NULL; - extlen = skb_transport_offset(s...
4738d2fa5986d3717055d8ee14b2aad87c30f1e7
Analyze and fix the following issue in the Linux kernel code: [CASSINI]: Fix printk message typo.
Problem Details: Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/drivers/net/cassini.c b/drivers/net/cassini.c index 9fe3a38883ee..59b9943b077d 100644 --- a/drivers/net/cassini.c +++ b/drivers/net/cassini.c @@ -4920,7 +4920,7 @@ static int __devinit cas_init_one(struct pci_dev *pdev, pci_cmd |= PCI_COMMAND_PARITY; pci_write_config_word(pdev, PCI_COMMAND, pci...
189fe3174ce93f4c949325426c87c4d875a13424
Analyze and fix the following issue in the Linux kernel code: [CRYPTO] cryptd: Fix problem with cryptd and the freezer
Problem Details: Make sure that cryptd is marked as nonfreezable and does not hold up the freezer. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
```diff diff --git a/crypto/cryptd.c b/crypto/cryptd.c index 3ff4e1f0f032..ac6dce2e7596 100644 --- a/crypto/cryptd.c +++ b/crypto/cryptd.c @@ -298,7 +298,7 @@ static inline int cryptd_create_thread(struct cryptd_state *state, mutex_init(&state->mutex); crypto_init_queue(&state->queue, CRYPTD_MAX_QLEN); - state->t...
897cc188f7f0e402b92a4a6a9e234b45c612eb42
Analyze and fix the following issue in the Linux kernel code: [ALSA] hda-codec - Fix STAC922x capture boost level
Problem Details: STAC922x provides the capture boost level up to 4, but actually it works only up to 2. Since the range of the mixer is automatically defined from amp-capability bits, we need to override the value beforehand. snd_hda_override_amp_caps() is introduced for this purpose. The function patch_stac922x() ca...
```diff diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index 8e89d56b6400..f87f8f088956 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -713,6 +713,19 @@ static u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction) return info->amp_caps; } +int snd_...
f9acba4347ac2145456aa8dedaab3d74761da42a
Analyze and fix the following issue in the Linux kernel code: [ALSA] hda-codec - Fix input with STAC92xx
Problem Details: The recent fix for STAC92xx surround outputs broke the input pin setting for shared line-in and mic jacks. This patch fixes the breakage. Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
```diff diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index 1527cb61e5d6..33fc7cd00935 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -1764,6 +1764,21 @@ static void stac92xx_set_pinctl(struct hda_codec *codec, hda_nid_t nid, unsigned int pin_ctl = s...
7353e14d91b78dc6da0d93fb081346c5ef854876
Analyze and fix the following issue in the Linux kernel code: [ALSA] hda-codec - Fix pin configs for Gateway MX6453
Problem Details: Fix pin default configs for speaker associations and sequence for Gateway MX6453 machine with STAC925x codecs. Signed-off-by: Steve Longerbeam <stevel@embeddedalley.com> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
```diff diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index 7188c9ca660d..1527cb61e5d6 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -501,8 +501,8 @@ static unsigned int stac925x_PA6_pin_configs[8] = { }; static unsigned int stac925xM2_2_pin_confi...
c72816b79e9735284b3c0f6b3a4aa4e1c0537c0d
Analyze and fix the following issue in the Linux kernel code: [ALSA] Fix ASoC s3c24xx-pcm spinlock bug
Problem Details: This should fix a spinlock lockup bug on the s3c24xx arch. From: Zoltan Devai <zdevai@gmail.com> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
```diff diff --git a/sound/soc/s3c24xx/s3c24xx-pcm.c b/sound/soc/s3c24xx/s3c24xx-pcm.c index 21dc6974d6a3..bfbdc3cbd43b 100644 --- a/sound/soc/s3c24xx/s3c24xx-pcm.c +++ b/sound/soc/s3c24xx/s3c24xx-pcm.c @@ -337,6 +337,8 @@ static int s3c24xx_pcm_open(struct snd_pcm_substream *substream) if (prtd == NULL) return -E...
36c3b4e60a83187e82bc9bcde854e765bde3d670
Analyze and fix the following issue in the Linux kernel code: [ALSA] hda-intel: fix ASUS M2V detection
Problem Details: Commit f32610edab47f36946d23b883aeae91e15986121 added ALC660VD support, but this caused a 2.6.21 regression for some users. The ASUS M2V device is now detected as ALC660VD rather than ALC660/861 but the PCI quirk was not carried over. This patch allows affected users to use audio again. http://bugzilla...
```diff diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 34ac63469532..e37efbaaeee5 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -8765,7 +8765,6 @@ static struct snd_pci_quirk alc861_cfg_tbl[] = { SND_PCI_QUIRK(0x1043, 0x1338, "ASUS F2/3", ALC861_AS...
2704364248378193a24505e414dbfd4201053349
Analyze and fix the following issue in the Linux kernel code: [ALSA] ali5451 - Fix possible NULL dereference
Problem Details: Reported by Eric Sesterhenn. Fix the wrong checks of extra voice pointer, which may cause NULL dereferences. Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
```diff diff --git a/sound/pci/ali5451/ali5451.c b/sound/pci/ali5451/ali5451.c index e1ed59549c50..cb59f994c68f 100644 --- a/sound/pci/ali5451/ali5451.c +++ b/sound/pci/ali5451/ali5451.c @@ -1250,7 +1250,7 @@ static int snd_ali_playback_hw_params(struct snd_pcm_substream *substream, evoice->substream = substream; ...
fb3409e71f0e5cb3e22327eba2e4d6fbd51d54df
Analyze and fix the following issue in the Linux kernel code: [ALSA] HDA: Fix headphone mute issue on non-eapd Conexant systems
Problem Details: This patch fixes an automute code issue for systems that do not rely on eapd support. Signed-off-by: Tobin Davis <tdavis@dsl-only.net> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
```diff diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c index a5a4b2bddf20..bef214bcdddf 100644 --- a/sound/pci/hda/patch_conexant.c +++ b/sound/pci/hda/patch_conexant.c @@ -705,6 +705,17 @@ static struct snd_kcontrol_new cxt5045_test_mixer[] = { .get = conexant_mux_enum_get, .put = c...
f75522cea12fe1ed9336c1a02b170bd06383e8a3
Analyze and fix the following issue in the Linux kernel code: sh: Fix vsyscall build failure.
Problem Details: CC arch/sh/kernel/vsyscall/vsyscall.o a/arch/sh/kernel/vsyscall/vsyscall.c: In function 'arch_setup_additional_pages': a/arch/sh/kernel/vsyscall/vsyscall.c:63: error: dereferencing pointer to incomplete type a/arch/sh/kernel/vsyscall/vsyscall.c:67: error: dereferencing pointer to incomplete type a...
```diff diff --git a/arch/sh/kernel/vsyscall/vsyscall.c b/arch/sh/kernel/vsyscall/vsyscall.c index e146bafcd14f..2aa9438361bc 100644 --- a/arch/sh/kernel/vsyscall/vsyscall.c +++ b/arch/sh/kernel/vsyscall/vsyscall.c @@ -17,6 +17,7 @@ #include <linux/gfp.h> #include <linux/module.h> #include <linux/elf.h> +#include <l...
bdff33ddd906b2ab9eb70e9098f507fac6d56b70
Analyze and fix the following issue in the Linux kernel code: sh: Trivial fix for dma-api compile failure.
Problem Details: Trivial fix for arch/sh/drivers/dma/dma-api.c compile failure: CC arch/sh/drivers/dma/dma-api.o a/arch/sh/drivers/dma/dma-api.c: In function 'dma_wait_for_completion': a/arch/sh/drivers/dma/dma-api.c:233: error: 'TASK_UNINTERRUPTIBLE' undeclared (first use in this function) a/arch/sh/drivers/dm...
```diff diff --git a/arch/sh/drivers/dma/dma-api.c b/arch/sh/drivers/dma/dma-api.c index 8057a27a1bc6..cf8e11994330 100644 --- a/arch/sh/drivers/dma/dma-api.c +++ b/arch/sh/drivers/dma/dma-api.c @@ -16,6 +16,7 @@ #include <linux/list.h> #include <linux/platform_device.h> #include <linux/mm.h> +#include <linux/sched....
370ac91aab8403d74c2b59c3b43692eaed4ef268
Analyze and fix the following issue in the Linux kernel code: sh: Fix pcrel too far for in_nmi label.
Problem Details: Add lost in_nmi definition to solve pcrel too far. Signed-off-by: Takashi YOSHII <takasi-y@ops.dti.ne.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
```diff diff --git a/arch/sh/kernel/cpu/sh3/entry.S b/arch/sh/kernel/cpu/sh3/entry.S index 832c0b4a1e6c..659cc081e5e7 100644 --- a/arch/sh/kernel/cpu/sh3/entry.S +++ b/arch/sh/kernel/cpu/sh3/entry.S @@ -320,6 +320,7 @@ skip_restore: .align 2 5: .long 0x00001000 ! DSP +6: .long in_nmi 7: .long 0x30000000 ! comm...
3f0a6766e0cc5a577805732e5adb50a585c58175
Analyze and fix the following issue in the Linux kernel code: a bug in ramfs_nommu_resize function, passing old size to vmtruncate
Problem Details: It should be pass "newsize" to vmtruncate function to modify the inode->i_size, while the old size is passed to vmtruncate. This bug was caught by LTP truncate test case on Blackfin platform. After it was fixed, the LTP truncate test case passed. Signed-off-by: Bryan Wu <bryan.wu@analog.com> Cc: Davi...
```diff diff --git a/fs/ramfs/file-nommu.c b/fs/ramfs/file-nommu.c index 3b481d557edb..9345a46ffb32 100644 --- a/fs/ramfs/file-nommu.c +++ b/fs/ramfs/file-nommu.c @@ -179,7 +179,7 @@ static int ramfs_nommu_resize(struct inode *inode, loff_t newsize, loff_t size) return ret; } - ret = vmtruncate(inode, size); + ...
b4946ffb1860597b187d78d61ac6504177eb0ff8
Analyze and fix the following issue in the Linux kernel code: NFS: Fix a refcount leakage in O_DIRECT
Problem Details: The current code is leaking a reference to dreq->kref when the calls to nfs_direct_read_schedule() and nfs_direct_write_schedule() return an error. This patch moves the call to kref_put() from nfs_direct_wait() back into nfs_direct_read() and nfs_direct_write() (which are the functions that actually to...
```diff diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c index 0c542ec92d5b..00eee87510fe 100644 --- a/fs/nfs/direct.c +++ b/fs/nfs/direct.c @@ -168,7 +168,7 @@ static inline struct nfs_direct_req *nfs_direct_req_alloc(void) return dreq; } -static void nfs_direct_req_release(struct kref *kref) +static void nfs_direc...
7a74fc4925067c2102175baef73f9b07ab519b71
Analyze and fix the following issue in the Linux kernel code: fix possible null ptr deref in kallsyms_lookup
Problem Details: ugh, this function gets called by our unwinder. recursive backtrace for the win... bisection to find this one was "fun." Signed-off-by: Kyle McMartin <kyle@parisc-linux.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
```diff diff --git a/kernel/kallsyms.c b/kernel/kallsyms.c index f1bda23140b2..fed54418626c 100644 --- a/kernel/kallsyms.c +++ b/kernel/kallsyms.c @@ -257,7 +257,8 @@ const char *kallsyms_lookup(unsigned long addr, pos = get_symbol_pos(addr, symbolsize, offset); /* Grab name */ kallsyms_expand_symbol(get_symbo...
cdea460643072e1ee3647434aa254b5b81364f68
Analyze and fix the following issue in the Linux kernel code: [ARM] Fix some section mismatch warnings
Problem Details: The following patch fixes these section mismatch warnings: WARNING: arch/arm/mach-at91/built-in.o(.text+0xdf4): Section mismatch: reference to .init.data:dk_nand_partition (between 'nand_partitions' and 'at91_leds_event') WARNING: arch/arm/mach-at91/built-in.o(.text+0xbdc): Section mismatch: reference...
```diff diff --git a/arch/arm/mach-at91/board-dk.c b/arch/arm/mach-at91/board-dk.c index 6043c38c0a9e..af497896a96c 100644 --- a/arch/arm/mach-at91/board-dk.c +++ b/arch/arm/mach-at91/board-dk.c @@ -132,7 +132,7 @@ static struct mtd_partition __initdata dk_nand_partition[] = { }, }; -static struct mtd_partition *n...
88f5774b0748d6d9ebec7a39caae98c0d83b8cc8
Analyze and fix the following issue in the Linux kernel code: [SCSI] qla2xxx: fix timeout in qla2x00_down_timeout
Problem Details: iterations is unsigned, so it is impossible to get out of the loop and return -ETIMEDOUT. Signed-off-by: Bill Nottingham <notting@redhat.com> Acked-by: Seokmann Ju <seokmann.ju@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
```diff diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index dd076da86a46..b98136adaaae 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -2590,7 +2590,7 @@ qla2x00_down_timeout(struct semaphore *sema, unsigned long timeout) return 0; if (msleep_interru...
f2f027c6e9912840020be8b78f037d5c8ac665e0
Analyze and fix the following issue in the Linux kernel code: [SCSI] fix CONFIG_SCSI_WAIT_SCAN=m
Problem Details: CONFIG_MODULES=y CONFIG_SCSI=y CONFIG_SCSI_SCAN_ASYNC=y CONFIG_SCSI_WAIT_SCAN=m 2.6.21-rc5-mm2 VFS panics unable to find my root on /dev/sda2, but boots okay if I change drivers/scsi/Kconfig to "default y" instead of "default m" for SCSI_WAIT_SCAN. Make sure there's a late_initcall to scsi_complete_a...
```diff diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c index a67f315244d7..662577fbe7a8 100644 --- a/drivers/scsi/scsi_scan.c +++ b/drivers/scsi/scsi_scan.c @@ -184,6 +184,15 @@ int scsi_complete_async_scans(void) /* Only exported for the benefit of scsi_wait_scan */ EXPORT_SYMBOL_GPL(scsi_complete_...
ade21372b7c6927861845d65432ff0b0b1142ca0
Analyze and fix the following issue in the Linux kernel code: ehea: Fixed multi queue RX bug
Problem Details: Must access the respective queue's dummy netdev instead of the port's netdev. Signed-off-by: Thomas Klein <tklein@de.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
```diff diff --git a/drivers/net/ehea/ehea.h b/drivers/net/ehea/ehea.h index 602872dbe15f..e85a933a4762 100644 --- a/drivers/net/ehea/ehea.h +++ b/drivers/net/ehea/ehea.h @@ -39,7 +39,7 @@ #include <asm/io.h> #define DRV_NAME "ehea" -#define DRV_VERSION "EHEA_0058" +#define DRV_VERSION "EHEA_0061" #define EHEA_M...
8a32352661cc8e942897d205ba18f871ef7be597
Analyze and fix the following issue in the Linux kernel code: defxx: Fix the handling of ioremap() failures
Problem Details: If ioremap_nocache() is unfortunate enough to fail, the error code is not set correctly leading to a false success from dfx_register(). This change fixes the problem. Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
```diff diff --git a/drivers/net/defxx.c b/drivers/net/defxx.c index 571d82f8008c..7df23dc28190 100644 --- a/drivers/net/defxx.c +++ b/drivers/net/defxx.c @@ -566,6 +566,7 @@ static int __devinit dfx_register(struct device *bdev) bp->base.mem = ioremap_nocache(bar_start, bar_len); if (!bp->base.mem) { printk(...
56069c0fdd3a4db5769df30c9700cd3bc002fc48
Analyze and fix the following issue in the Linux kernel code: sky2: checksum offload plus vlan bug
Problem Details: Driver was not correctly setting up transmit descriptor when doing VLAN tag insertion with checksum offload. Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
```diff diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index d9bc98bd8af7..7d94eabaff81 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -1432,7 +1432,7 @@ static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev) tcpsum = offset << 16; /* sum start */ tcpsum |= offset + skb->csum_...
7a960b76ed1878a208e8bc68fe436b40aaff3ab5
Analyze and fix the following issue in the Linux kernel code: [SCSI] gdth: Fix obvious typo "spin_lock_irqrestore()"
Problem Details: Fix misspelled "spin_lock_irqrestore" to read "spin_unlock_irqrestore" instead. Presumably, GDTH_RTC doesn't get used a lot. Signed-off-by: Robert P. J. Day <rpjday@mindspring.com> Acked-by: Achim Leubner <achim_leubner@adaptec.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-...
```diff diff --git a/drivers/scsi/gdth.c b/drivers/scsi/gdth.c index a4a825980817..d0b95ce0ba00 100644 --- a/drivers/scsi/gdth.c +++ b/drivers/scsi/gdth.c @@ -1955,7 +1955,7 @@ static int __init gdth_search_drives(int hanum) for (j = 0; j < 12; ++j) rtc[j] = CMOS_READ(j); } while (rtc[0] != ...
6c4b7e4fdf702136891f802bdf7ad52076594721
Analyze and fix the following issue in the Linux kernel code: [SCSI] gdth: fix ambiguous gdthtable definition
Problem Details: Labeling a variable as __attribute_used__ is ambiguous: it means __attribute__((unused)) for gcc <3.4 and __attribute__((used)) for gcc >=3.4. There is no such thing as labeling a variable as __attribute__((used)). We assume that we're simply suppressing a warning here if gdthtable[] is declared but u...
```diff diff --git a/drivers/scsi/gdth.c b/drivers/scsi/gdth.c index 60446b88f721..a4a825980817 100644 --- a/drivers/scsi/gdth.c +++ b/drivers/scsi/gdth.c @@ -876,7 +876,7 @@ static int __init gdth_search_pci(gdth_pci_str *pcistr) /* Vortex only makes RAID controllers. * We do not really want to specify all 550 ids ...
2389b272168ceec056ca1d8a870a97fa9c26e11a
Analyze and fix the following issue in the Linux kernel code: [ARM] 4417/1: Serial: Fix AMBA drivers locking
Problem Details: The -rt patch triggered a lockdep warning in the amba serial drivers, which never shows up on UP kernels. On SMP systems this would trigger as well. Release the port lock before calling tty_flip_buffer_push() and reacquire it after the call. This matches the code in the 8250 serial driver. Signed-off...
```diff diff --git a/drivers/serial/amba-pl010.c b/drivers/serial/amba-pl010.c index 1a9a24b82636..00d1255e4c12 100644 --- a/drivers/serial/amba-pl010.c +++ b/drivers/serial/amba-pl010.c @@ -167,8 +167,9 @@ static void pl010_rx_chars(struct uart_amba_port *uap) ignore_char: status = readb(uap->port.membase + UART0...
1ff082882f0f36536ab91b020573607668f9bb61
Analyze and fix the following issue in the Linux kernel code: [ARM] 4416/1: NWFPE: fix undeclared symbols
Problem Details: Fix the undeclared symbols sparse is warning about. arch/arm/nwfpe/softfloat.c:1727:7: warning: symbol 'float64_to_uint32' was not declared. Should it be static? arch/arm/nwfpe/softfloat.c:1753:7: warning: symbol 'float64_to_uint32_round_to_zero' was not declared. Should it be static? Signed-off-by: ...
```diff diff --git a/arch/arm/nwfpe/softfloat.h b/arch/arm/nwfpe/softfloat.h index 0a3067452cd2..260fe29d73f5 100644 --- a/arch/arm/nwfpe/softfloat.h +++ b/arch/arm/nwfpe/softfloat.h @@ -273,4 +273,7 @@ static inline flag float64_lt_nocheck(float64 a, float64 b) extern flag float32_is_nan( float32 a ); extern flag fl...
e078761a0a815e142eee9f546f821ea259c82f7c
Analyze and fix the following issue in the Linux kernel code: [ARM] 4415/1: AML5900: fix sparse warnings from map_io
Problem Details: The map_io function does not need to be exported from this file, and therefore should be declared static. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
```diff diff --git a/arch/arm/mach-s3c2410/mach-amlm5900.c b/arch/arm/mach-s3c2410/mach-amlm5900.c index bc308ceb91c3..435adcce6482 100644 --- a/arch/arm/mach-s3c2410/mach-amlm5900.c +++ b/arch/arm/mach-s3c2410/mach-amlm5900.c @@ -160,7 +160,7 @@ static struct platform_device *amlm5900_devices[] __initdata = { #endif ...
0cc69daa3e6c958bc678b3db268dc279b68fd76f
Analyze and fix the following issue in the Linux kernel code: [ARM] 4414/1: S3C2443: sparse fix for clock.c
Problem Details: Fix sparse warnings in the arch/arm/mach-s3c2443/clock.c, including an bug in initialising the cf clock initialiser where two values are being set for the ctrlbit. arch/arm/mach-s3c2443/clock.c:397:12: warning: symbol 'clk_usb_bus_host' was not declared. Should it be static? arch/arm/mach-s3c2443/cloc...
```diff diff --git a/arch/arm/mach-s3c2443/clock.c b/arch/arm/mach-s3c2443/clock.c index 5955efb5de8d..58402948c47c 100644 --- a/arch/arm/mach-s3c2443/clock.c +++ b/arch/arm/mach-s3c2443/clock.c @@ -394,7 +394,7 @@ static int s3c2443_setrate_usbhost(struct clk *clk, unsigned long rate) return 0; } -struct clk clk_...
eca8c2424171b6b6b2dcb0faa92dfddd1e3297d9
Analyze and fix the following issue in the Linux kernel code: [ARM] 4412/1: S3C2412: reset errata fix
Problem Details: The S3C2412 has an reset-errata where the clock may cause a glitch switching back to EXTCLK. We force a switch to EXTCLK before writing the reset register to force use of the CLKCON sync logic to properly switch. Fix problem reported by Matthieu Castet. Signed-off-by: Ben Dooks <ben-linux@fluff.org> ...
```diff diff --git a/arch/arm/mach-s3c2412/s3c2412.c b/arch/arm/mach-s3c2412/s3c2412.c index c602aa39f9c4..782b5814ced2 100644 --- a/arch/arm/mach-s3c2412/s3c2412.c +++ b/arch/arm/mach-s3c2412/s3c2412.c @@ -16,6 +16,7 @@ #include <linux/list.h> #include <linux/timer.h> #include <linux/init.h> +#include <linux/delay....
486cab2ba25b469f7a8822e84fd43960a472e3d9
Analyze and fix the following issue in the Linux kernel code: [ARM] 4411/1: KS8695: Another serial driver fix
Problem Details: Fix a error reported by newer versions of GCC. error: static declaration of 'ks8695_reg' follows non-static declaration Signed-off-by: Andrew Victor <andrew@sanpeople.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
```diff diff --git a/drivers/serial/serial_ks8695.c b/drivers/serial/serial_ks8695.c index 698763b28ddd..8721afe1ae4f 100644 --- a/drivers/serial/serial_ks8695.c +++ b/drivers/serial/serial_ks8695.c @@ -589,7 +589,7 @@ static int __init ks8695_console_setup(struct console *co, char *options) return uart_set_options(p...
28c670cb9b0df7c8579f78c9d06e148896378cf4
Analyze and fix the following issue in the Linux kernel code: [ARM] oprofile: avoid lockdep warnings on mpcore oprofile init
Problem Details: Fix lockdep warnings, caused by 'set_affinity' being called without the correct locks taken and local interrupts disabled: ================================= [ INFO: inconsistent lock state ] 2.6.22-rc2 #1 --------------------------------- inconsistent {in-hardirq-W} -> {hardirq-on-W} usage. swapper/1 ...
```diff diff --git a/arch/arm/oprofile/op_model_mpcore.c b/arch/arm/oprofile/op_model_mpcore.c index 898500718249..7791da791f5f 100644 --- a/arch/arm/oprofile/op_model_mpcore.c +++ b/arch/arm/oprofile/op_model_mpcore.c @@ -257,8 +257,13 @@ static void em_stop(void) */ static void em_route_irq(int irq, unsigned int c...
5b10c8e436b69f25b6dcb5586bbdc5e39c20ed1d
Analyze and fix the following issue in the Linux kernel code: [ARM] Fix stacktrace FP range checking
Problem Details: Fix an oops in the stacktrace code, caused by improper range checking. We subtract 12 off 'fp' before testing to see if it's below the low bound. However, if 'fp' were zero before, it becomes a very large positive number, causing this test to succeed where it should fail. Signed-off-by: Russell King ...
```diff diff --git a/arch/arm/kernel/stacktrace.c b/arch/arm/kernel/stacktrace.c index 8b63ad89d0a8..ae31deb2d065 100644 --- a/arch/arm/kernel/stacktrace.c +++ b/arch/arm/kernel/stacktrace.c @@ -13,7 +13,7 @@ int walk_stackframe(unsigned long fp, unsigned long low, unsigned long high, /* * Check current frame po...
376e210b71d7736775f43f32c5c7712f90aaf59a
Analyze and fix the following issue in the Linux kernel code: [PARISC] fix "reduce size of task_struct on 64-bit machines" fallout
Problem Details: Amazingly, parisc was the only arch effected by this... Convert register-sized loads/stores to always be 32-bit for these fields. Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
```diff diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S index 98ae563a0905..42598abf4576 100644 --- a/arch/parisc/kernel/entry.S +++ b/arch/parisc/kernel/entry.S @@ -2019,10 +2019,9 @@ ENTRY(syscall_exit) STREG %r28,TASK_PT_GR28(%r1) #ifdef CONFIG_HPUX - /* <linux/personality.h> cannot be...
cb9577958d85896303561d9cc8544885deb272be
Analyze and fix the following issue in the Linux kernel code: [PARISC] fix null ptr deref in unwind.c
Problem Details: commit ffb45122766db220d0bf3d01848d575fbbcb6430 removed one too many args. kallsyms_lookup is not safe to call with a NULL *modname. Paper bag over the problem for the time being. Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
```diff diff --git a/arch/parisc/kernel/unwind.c b/arch/parisc/kernel/unwind.c index 89c03707eccc..e70f57e27643 100644 --- a/arch/parisc/kernel/unwind.c +++ b/arch/parisc/kernel/unwind.c @@ -216,8 +216,10 @@ static void unwind_frame_regs(struct unwind_frame_info *info) /* Handle some frequent special cases.... */ ...
516a9491151d5f75911647dd44812f25ff24282d
Analyze and fix the following issue in the Linux kernel code: [PARISC] fix trivial spelling nit in asm/linkage.h
Problem Details: Noticed by John David Anglin. Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
```diff diff --git a/include/asm-parisc/linkage.h b/include/asm-parisc/linkage.h index cdb470921ace..ad8cd0d069ea 100644 --- a/include/asm-parisc/linkage.h +++ b/include/asm-parisc/linkage.h @@ -8,7 +8,7 @@ /* * In parisc assembly a semicolon marks a comment while a - * exclamation mark is used to seperate indepen...
8dff980f1d1392990c6813c86f4bce108d3054fe
Analyze and fix the following issue in the Linux kernel code: [PARISC] fix section mismatch in smp.c
Problem Details: WARNING: arch/parisc/kernel/built-in.o(.text.__cpu_up+0x20): Section mismatch: reference to .init.text:smp_boot_one_cpu (after '__cpu_up') Signed-off-by: Helge Deller <deller@gmx.de> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
```diff diff --git a/arch/parisc/kernel/smp.c b/arch/parisc/kernel/smp.c index 4bf7cd19cc46..04c7e1d36cea 100644 --- a/arch/parisc/kernel/smp.c +++ b/arch/parisc/kernel/smp.c @@ -461,7 +461,7 @@ void __init smp_callin(void) /* * Bring one cpu online. */ -int __init smp_boot_one_cpu(int cpuid) +int __cpuinit smp_bo...
c2b6ebd50be76879261b67fc5fd29608b82ae443
Analyze and fix the following issue in the Linux kernel code: [PARISC] fix "ENTRY" macro redefinition
Problem Details: Thanks to James for noticing. It fixes: fs/ext3/xattr.c:65:1: warning: "ENTRY" redefined In file included from include/linux/linkage.h:4, from include/linux/fs.h:271, from fs/ext3/xattr.c:54: include/asm/linkage.h:13:1: warning: this is the location of the previous de...
```diff diff --git a/include/asm-parisc/linkage.h b/include/asm-parisc/linkage.h index 7a09d911b538..cdb470921ace 100644 --- a/include/asm-parisc/linkage.h +++ b/include/asm-parisc/linkage.h @@ -10,6 +10,8 @@ * In parisc assembly a semicolon marks a comment while a * exclamation mark is used to seperate independend...
f507654d450d329c81a70eec0096d5dfe67802ec
Analyze and fix the following issue in the Linux kernel code: ACPI: Make _OSI(Linux) a special case
Problem Details: _OSI("Linux") is like _OS("Linux"), it is ill-defined and virtually no BIOS vendors test interaction with it. As a result, it can do more damage than good because it causes the BIOS to follow un-tested paths. Recently, several machines have turned up that erroneously test this string in a way which ca...
```diff diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index f4760cfa61e1..e349879d9246 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -33,6 +33,7 @@ #include <linux/interrupt.h> #include <linux/kmod.h> #include <linux/delay.h> +#include <linux/dmi.h> #include <linux/workqueue.h> #include <linux...
7f397dcdb78d699a20d96bfcfb595a2411a5bbd2
Analyze and fix the following issue in the Linux kernel code: random: fix seeding with zero entropy
Problem Details: Add data from zero-entropy random_writes directly to output pools to avoid accounting difficulties on machines without entropy sources. Tested on lguest with all entropy sources disabled. Signed-off-by: Matt Mackall <mpm@selenic.com> Acked-by: "Theodore Ts'o" <tytso@mit.edu> Signed-off-by: Linus Torv...
```diff diff --git a/drivers/char/random.c b/drivers/char/random.c index 9705b439448a..0474cac4a84e 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -1020,37 +1020,44 @@ random_poll(struct file *file, poll_table * wait) return mask; } -static ssize_t -random_write(struct file * file, const char __...
602b6aeefe8932dd8bb15014e8fe6bb25d736361
Analyze and fix the following issue in the Linux kernel code: random: fix error in entropy extraction
Problem Details: Fix cast error in entropy extraction. Add comments explaining the magic 16. Remove extra confusing loop variable. Signed-off-by: Matt Mackall <mpm@selenic.com> Acked-by: "Theodore Ts'o" <tytso@mit.edu> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
```diff diff --git a/drivers/char/random.c b/drivers/char/random.c index 46c1b97748b6..9705b439448a 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -760,7 +760,7 @@ static size_t account(struct entropy_store *r, size_t nbytes, int min, static void extract_buf(struct entropy_store *r, __u8 *out) { ...
eaad084bb0f3a6259e56400cd45d061dbf040600
Analyze and fix the following issue in the Linux kernel code: NOHZ: prevent multiplication overflow - stop timer for huge timeouts
Problem Details: get_next_timer_interrupt() returns a delta of (LONG_MAX > 1) in case there is no timer pending. On 64 bit machines this results in a multiplication overflow in tick_nohz_stop_sched_tick(). Reported by: Dave Miller <davem@davemloft.net> Make the return value a constant and limit the return value to a ...
```diff diff --git a/include/linux/timer.h b/include/linux/timer.h index e0c5c16c992f..c661710d3627 100644 --- a/include/linux/timer.h +++ b/include/linux/timer.h @@ -68,6 +68,12 @@ extern int del_timer(struct timer_list * timer); extern int __mod_timer(struct timer_list *timer, unsigned long expires); extern int mod...
a2cb4a98f243d01f2c8d5799c764bb96ffa66c44
Analyze and fix the following issue in the Linux kernel code: IB/mlx4: Fix last allocated object tracking in bitmap allocator
Problem Details: Set last allocated object to the object after the one just allocated before ORing in the extra top bits. Also handle the case where this wraps around. Signed-off-by: Roland Dreier <rolandd@cisco.com>
```diff diff --git a/drivers/net/mlx4/alloc.c b/drivers/net/mlx4/alloc.c index dfbd5809d744..f8d63d39f592 100644 --- a/drivers/net/mlx4/alloc.c +++ b/drivers/net/mlx4/alloc.c @@ -51,8 +51,8 @@ u32 mlx4_bitmap_alloc(struct mlx4_bitmap *bitmap) if (obj < bitmap->max) { set_bit(obj, bitmap->table); + bitmap->last ...
d998ccce020e2cfcf11c6b57503532930ede2894
Analyze and fix the following issue in the Linux kernel code: IB/cm: Fix stale connection detection
Problem Details: The ib_cm can incorrectly detect a stale connection (a new connection request for a QPN that is already connected) as a duplicate connection request. Separate the handling of potential duplicate REQs from stale connections. Signed-off-by: Sean Hefty <sean.hefty@intel.com> Signed-off-by: Roland Dreier...
```diff diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c index e840434a96d8..40c004a2697e 100644 --- a/drivers/infiniband/core/cm.c +++ b/drivers/infiniband/core/cm.c @@ -1297,26 +1297,29 @@ static struct cm_id_private * cm_match_req(struct cm_work *work, req_msg = (struct cm_req_msg *)work-...
ec56dc0b7f6c3fec20bbc2e98ff1a06edf2fc9b9
Analyze and fix the following issue in the Linux kernel code: IPoIB/cm: Fix performance regression on Mellanox
Problem Details: commit 518b1646 ("IPoIB/cm: Fix SRQ WR leak") introduced a severe performance regression on Mellanox cards, because keeping a QP in the error state for extended periods of time moves hardware to the slow path (until the QP is destroyed). For example, MPI latency goes from ~3 usecs to ~7 usecs. Fix th...
```diff diff --git a/drivers/infiniband/ulp/ipoib/ipoib.h b/drivers/infiniband/ulp/ipoib/ipoib.h index 158759e28a5b..285c143115cc 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib.h +++ b/drivers/infiniband/ulp/ipoib/ipoib.h @@ -156,7 +156,7 @@ struct ipoib_cm_data { * - and then invoke a Destroy QP or Reset QP. * ...
8b7e15772a286d0ef8e4f8eca422ce5368b6fa97
Analyze and fix the following issue in the Linux kernel code: IB/mthca: Fix handling of send CQE with error for QPs connected to SRQ
Problem Details: mthca_free_err_wqe() currently treats both send and receive CQEs identically if a QP is using an SRQ. But for Tavor hardware, send CQEs with error can be chained together even if the RQ is part of SRQ, so we may miss some CQEs. Fix by following the WQE chain for all send CQEs even for non-SRQ QPs. T...
```diff diff --git a/drivers/infiniband/hw/mthca/mthca_qp.c b/drivers/infiniband/hw/mthca/mthca_qp.c index 027664979fe2..eef415b12b2e 100644 --- a/drivers/infiniband/hw/mthca/mthca_qp.c +++ b/drivers/infiniband/hw/mthca/mthca_qp.c @@ -2284,10 +2284,10 @@ void mthca_free_err_wqe(struct mthca_dev *dev, struct mthca_qp *q...
13424f6514f6444554a103362dd9d31eabbbdc54
Analyze and fix the following issue in the Linux kernel code: [CPUFREQ] acpi-cpufreq: Proper ReadModifyWrite of PERF_CTL MSR
Problem Details: During recent acpi-cpufreq changes, writing to PERF_CTL msr changed from RMW of entire 64 bit to RMW of low 32 bit and clearing of upper 32 bit. Fix it back to do a proper RMW of the MSR. Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Signed-off-by: Dave Jones <davej@redhat.com>
```diff diff --git a/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c b/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c index 10baa3501ed3..18c8b67ea3a7 100644 --- a/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c +++ b/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c @@ -167,11 +167,13 @@ static void do_drv_read(struct drv_cmd *cmd) ...
d5d4db704b962773c03ee3beb3258b6450611e66
Analyze and fix the following issue in the Linux kernel code: USB: replace flush_workqueue with cancel_sync_work
Problem Details: This patch (as912) replaces a couple of calls to flush_workqueue() with cancel_sync_work() and cancel_rearming_delayed_work(). Using a more directed approach allows us to avoid some nasty deadlocks. The prime example occurs when a first-level device (the parent is a root hub) is removed while at the ...
```diff diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index e277258df382..8969e42434b9 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -1681,7 +1681,7 @@ void usb_remove_hcd(struct usb_hcd *hcd) spin_unlock_irq (&hcd_root_hub_lock); #ifdef CONFIG_PM - flush_workqueue(ksuspend_usb...
4096b46f01a362fe2cc83f6be25cc7be6bce2ab7
Analyze and fix the following issue in the Linux kernel code: sparc64: fix alignment bug in linker definition script
Problem Details: The RO_DATA section were hardcoded to a specific alignment in include/asm-generic/vmlinux.h. But for sparc64 this did not match the PAGE_SIZE. Introduce a new section definition named: RO_DATA that takes actual alignment as parameter. RODATA are provided for backward compatibility. On top of this avo...
```diff diff --git a/arch/sparc64/kernel/vmlinux.lds.S b/arch/sparc64/kernel/vmlinux.lds.S index fb648de18a8d..3ad10f3027e4 100644 --- a/arch/sparc64/kernel/vmlinux.lds.S +++ b/arch/sparc64/kernel/vmlinux.lds.S @@ -1,5 +1,6 @@ /* ld script to make UltraLinux kernel */ +#include <asm/page.h> #include <asm-generic/vm...
a76193df7c7b60f9facb4090c5ec082e06582209
Analyze and fix the following issue in the Linux kernel code: [PATCH] ieee80211: fix incomplete error message
Problem Details: Fix error message: Unable to network device. --> Unable to allocate network device. Cc: James Ketrenos <jketreno@linux.intel.com> Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/net/ieee80211/ieee80211_module.c b/net/ieee80211/ieee80211_module.c index 7ec6610841ba..17ad278696ed 100644 --- a/net/ieee80211/ieee80211_module.c +++ b/net/ieee80211/ieee80211_module.c @@ -140,7 +140,7 @@ struct net_device *alloc_ieee80211(int sizeof_priv) dev = alloc_etherdev(sizeof(struct ie...
20c9d198731f440eaad6fafd00fe7ccfcd443a84
Analyze and fix the following issue in the Linux kernel code: [PATCH] prism54: fix monitor mode oops
Problem Details: Manually set the device of a skb for prism54 cards that are in monitor mode as we never call eth_type_trans in that case. Signed-off-by: Björn Steinbrink <B.Steinbrink@gmx.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/drivers/net/wireless/prism54/islpci_eth.c b/drivers/net/wireless/prism54/islpci_eth.c index dd070cccf324..f49eb068c7d0 100644 --- a/drivers/net/wireless/prism54/islpci_eth.c +++ b/drivers/net/wireless/prism54/islpci_eth.c @@ -378,9 +378,10 @@ islpci_eth_receive(islpci_private *priv) display_buffe...
91fa558ba28b0014205f2c1a75b1cceb4298aa04
Analyze and fix the following issue in the Linux kernel code: [PATCH] mac80211: avoid null ptr deref in ieee80211_ibss_add_sta
Problem Details: avoid sdata null pointer dereference in ieee80211_ibss_add_sta. Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/net/mac80211/ieee80211_sta.c b/net/mac80211/ieee80211_sta.c index dbac8583f394..9f30ae4c2ab3 100644 --- a/net/mac80211/ieee80211_sta.c +++ b/net/mac80211/ieee80211_sta.c @@ -2997,7 +2997,7 @@ struct sta_info * ieee80211_ibss_add_sta(struct net_device *dev, { struct ieee80211_local *local = wdev_...
e8fdeca241e17dcc5b8f2465be8e1a6347c62fb9
Analyze and fix the following issue in the Linux kernel code: [PATCH] mac80211: fix memory leak when defrag fragments
Problem Details: We forget to free all the fragments when defraging them into one packet. Signed-off-by: Hong Liu <hong.liu@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/net/mac80211/ieee80211.c b/net/mac80211/ieee80211.c index 6e36df67f8d5..145604abd08e 100644 --- a/net/mac80211/ieee80211.c +++ b/net/mac80211/ieee80211.c @@ -3278,8 +3278,10 @@ ieee80211_rx_h_defragment(struct ieee80211_txrx_data *rx) return TXRX_DROP; } } - while ((skb = __skb_dequeue(&en...
f11b0f0eb2ea7562db63a01c60d398ec52d5ea46
Analyze and fix the following issue in the Linux kernel code: [PATCH] mac80211: fail back to use associate from reassociate
Problem Details: Some APs have strict checking between associate and reassociate. In a case when an AP is restarted during a connection, it denies the mac80211 reassoc request since this is a new association for the AP. To fix this problem, we need to check the status code against WLAN_STATUS_REASSOC_NO_ASSOC and clear...
```diff diff --git a/net/mac80211/ieee80211_sta.c b/net/mac80211/ieee80211_sta.c index 3e07e9d6fa42..dbac8583f394 100644 --- a/net/mac80211/ieee80211_sta.c +++ b/net/mac80211/ieee80211_sta.c @@ -1155,6 +1155,8 @@ static void ieee80211_rx_mgmt_assoc_resp(struct net_device *dev, if (status_code != WLAN_STATUS_SUCCESS) ...
2d9e2763c22a4ce41c3cc5f35366a51f1eba38dc
Analyze and fix the following issue in the Linux kernel code: [SPARC64]: Fix two bugs wrt. kernel 4MB TSB.
Problem Details: 1) The TSB lookup was not using the correct hash mask. 2) It was not aligned on a boundary equal to it's size, which is required by the sun4v Hypervisor. wasn't having it's return value checked, and that bug will be fixed up as well in a subsequent changeset. Signed-off-by: David S. Miller <davem...
```diff diff --git a/arch/sparc64/kernel/head.S b/arch/sparc64/kernel/head.S index 5c11529742d4..77259526cb15 100644 --- a/arch/sparc64/kernel/head.S +++ b/arch/sparc64/kernel/head.S @@ -653,33 +653,54 @@ setup_tba: restore sparc64_boot_end: -#include "ktlb.S" -#include "tsb.S" #include "etrap.S" #include "rtra...
679292993c77c06f7ade4e317c13256b92c2651b
Analyze and fix the following issue in the Linux kernel code: [SPARC64]: Fix _PAGE_EXEC_4U check in sun4u I-TLB miss handler.
Problem Details: It was using an immediate _PAGE_EXEC_4U value in an 'and' instruction to perform the test. This doesn't work because the immediate field is signed 13-bit, this the mask being tested against the PTE was 0x1000 sign-extended to 32-bits instead of just plain 0x1000. Signed-off-by: David S. Miller <davem...
```diff diff --git a/arch/sparc64/kernel/itlb_miss.S b/arch/sparc64/kernel/itlb_miss.S index ad46e2024f4b..5a8377b54955 100644 --- a/arch/sparc64/kernel/itlb_miss.S +++ b/arch/sparc64/kernel/itlb_miss.S @@ -11,12 +11,12 @@ /* ITLB ** ICACHE line 2: TSB compare and TLB load */ bne,pn %xcc, tsb_miss_itlb ! Miss mo...
b00ccd0f0b3fe8776aead63ec96313e84451b337
Analyze and fix the following issue in the Linux kernel code: [SPARC]: Linux always started with 9600 8N1
Problem Details: The Linux kernel ignored the PROM's serial settings (115200,n,8,1 in my case). This was because mode_prop remained "ttyX-mode" (expected: "ttya-mode") due to the constness of string literals when used with "char *". Since there is no "ttyX-mode" property in the PROM, Linux always used the default 9600....
```diff diff --git a/drivers/serial/suncore.c b/drivers/serial/suncore.c index e35d9ab359f1..b45ba5392dd3 100644 --- a/drivers/serial/suncore.c +++ b/drivers/serial/suncore.c @@ -30,9 +30,9 @@ void sunserial_console_termios(struct console *con) { char mode[16], buf[16], *s; - char *mode_prop = "ttyX-mode"; - char *...
7189859f28b7064a83b6ab4036bb334279f922c2
Analyze and fix the following issue in the Linux kernel code: [SPARC64]: arch/sparc64/time.c doesn't compile on Ultra 1 (no PCI)
Problem Details: This is bug 8540 on bugzilla.kernel.org arch/sparc64/time.c contains references to assorted bq4802 stuff if CONFIG_PCI is not set, and compile fails. I #ifdef'ed out everything that looks PCI-ish in that file. Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/arch/sparc64/kernel/time.c b/arch/sparc64/kernel/time.c index 0f62ea82953c..f2e73e613748 100644 --- a/arch/sparc64/kernel/time.c +++ b/arch/sparc64/kernel/time.c @@ -1362,6 +1362,7 @@ static int hypervisor_set_rtc_time(struct rtc_time *time) return hypervisor_set_time(seconds); } +#ifdef CONFI...
22adb358e816ce6aa0afb231ae9d826b0bddc8b0
Analyze and fix the following issue in the Linux kernel code: [SPARC64]: Eliminate NR_CPUS limitations.
Problem Details: Cheetah systems can have cpuids as large as 1023, although physical systems don't have that many cpus. Only three limitations existed in the kernel preventing arbitrary NR_CPUS values: 1) dcache dirty cpu state stored in page->flags on D-cache aliasing platforms. With some build time calculati...
```diff diff --git a/arch/sparc64/Kconfig b/arch/sparc64/Kconfig index 831781cab271..bd00f89eed1e 100644 --- a/arch/sparc64/Kconfig +++ b/arch/sparc64/Kconfig @@ -147,10 +147,10 @@ config SMP If you don't know what to do here, say N. config NR_CPUS - int "Maximum number of CPUs (2-64)" - range 2 64 + int "Maximu...
36b48973b8f1818d0ae6d16e548081d00162ae39
Analyze and fix the following issue in the Linux kernel code: [SPARC64]: Fix typo in sun4v_hvapi_register error handling.
Problem Details: Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/arch/sparc64/kernel/hvapi.c b/arch/sparc64/kernel/hvapi.c index f03ffc829c7a..f54b3ed3b09e 100644 --- a/arch/sparc64/kernel/hvapi.c +++ b/arch/sparc64/kernel/hvapi.c @@ -107,7 +107,7 @@ int sun4v_hvapi_register(unsigned long group, unsigned long major, p->minor = actual_minor; ret = 0; ...
5840fc66bb47fa4382bf3229d4979c3fcd375b01
Analyze and fix the following issue in the Linux kernel code: [SPARC64]: PCI device scan is way too verbose by default.
Problem Details: These messages were very useful when bringing up the OBP based PCI device scan code, but it's just a lot of noise every bootup now especially on big machines. The messages can be re-enabled via 'ofpci_debug=1' on the kernel command line. Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/arch/sparc64/kernel/pci.c b/arch/sparc64/kernel/pci.c index d4c077dc5e85..38a32bc95d22 100644 --- a/arch/sparc64/kernel/pci.c +++ b/arch/sparc64/kernel/pci.c @@ -306,6 +306,20 @@ static void __init pci_controller_probe(void) pci_controller_scan(pci_controller_init); } +static int ofpci_verbose...
9977e390dd25751fc40e01850da88b37d3c81109
Analyze and fix the following issue in the Linux kernel code: [SERIAL] sunzilog: section mismatch fix
Problem Details: This patch fixes section mismatch warnings in the sunzilog driver. Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/drivers/serial/sunzilog.c b/drivers/serial/sunzilog.c index 0985193dc57d..15b6e1cb040b 100644 --- a/drivers/serial/sunzilog.c +++ b/drivers/serial/sunzilog.c @@ -1239,7 +1239,7 @@ static inline struct console *SUNZILOG_CONSOLE(void) #define SUNZILOG_CONSOLE() (NULL) #endif -static void __init s...
59db8102bd0ab7a67d525d086ca08e07d69fadd4
Analyze and fix the following issue in the Linux kernel code: [SPARC64]: Don't be picky about virtual-dma values on sun4v.
Problem Details: Handle arbitrary base and length values as long as they are multiples of IO_PAGE_SIZE. Bug found by Arun Kumar Rao. Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/arch/sparc64/kernel/pci_sun4v.c b/arch/sparc64/kernel/pci_sun4v.c index 044e8ec4c0f5..62e4d047dbc0 100644 --- a/arch/sparc64/kernel/pci_sun4v.c +++ b/arch/sparc64/kernel/pci_sun4v.c @@ -12,6 +12,7 @@ #include <linux/percpu.h> #include <linux/irq.h> #include <linux/msi.h> +#include <linux/log2.h>...
df3c7244264f1d12562413aa32d56be802486516
Analyze and fix the following issue in the Linux kernel code: [XFS] Write at EOF may not update filesize correctly.
Problem Details: The recent fix for preventing NULL files from being left around does not update the file size corectly in all cases. The missing case is a write extending the file that does not need to allocate a block. In that case we used a read mapping of the extent which forced the use of the read I/O completion ...
```diff diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c index 4475588e973a..7361861e3aac 100644 --- a/fs/xfs/linux-2.6/xfs_aops.c +++ b/fs/xfs/linux-2.6/xfs_aops.c @@ -701,7 +701,7 @@ xfs_is_delayed_page( else if (buffer_delay(bh)) acceptable = (type == IOMAP_DELAY); else if (buffer_...
b23c9e386cc639aa7c0b7360388b3e3759059e06
Analyze and fix the following issue in the Linux kernel code: Input: logips2pp - fix typo in Kconfig
Problem Details: Signed-off-by: Uwe Bugla <uwe.bugla@gmx.de> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
```diff diff --git a/drivers/input/mouse/Kconfig b/drivers/input/mouse/Kconfig index 2ccc114b3ff6..2682a7d6cb45 100644 --- a/drivers/input/mouse/Kconfig +++ b/drivers/input/mouse/Kconfig @@ -48,7 +48,7 @@ config MOUSE_PS2_ALPS If unsure, say Y. config MOUSE_PS2_LOGIPS2PP - bool "Logictech PS/2++ mouse protocol e...
350958f984268dcf0f087aac78c5b9fe2846aeff
Analyze and fix the following issue in the Linux kernel code: firewire: fix return code
Problem Details: Fix this warning on x86-64 drivers/firewire/fw-cdev.c:798: warning: initialization from incompatible pointer type by making the return code of ioctl_send_request() the same as all the other ioctl_xxx() return codes. Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: Stefan Richter <stefanr@...
```diff diff --git a/drivers/firewire/fw-cdev.c b/drivers/firewire/fw-cdev.c index 0fa5bd54c6a1..3ab3585d3601 100644 --- a/drivers/firewire/fw-cdev.c +++ b/drivers/firewire/fw-cdev.c @@ -365,7 +365,7 @@ complete_transaction(struct fw_card *card, int rcode, response->response.data, response->response.length); } ...
9a60731d0036a6c6c265acd4248c17fd24fc8e13
Analyze and fix the following issue in the Linux kernel code: firewire: prefix modules with firewire- instead of fw-
Problem Details: Of course everybody immediately associates "fw-" with FireWire, not firmware or firewall or whatever. But "firewire-" has a nice ring to it too. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Acked-by: Kristian Hoegsberg <krh@bitplanet.net>
```diff diff --git a/drivers/firewire/Kconfig b/drivers/firewire/Kconfig index 5932c72f9e42..396dade731f9 100644 --- a/drivers/firewire/Kconfig +++ b/drivers/firewire/Kconfig @@ -18,7 +18,7 @@ config FIREWIRE your IEEE 1394 adapter. To compile this driver as a module, say M here: the module will be - called...
976da96a5d4fe84bd292b950e566325dc3e5904e
Analyze and fix the following issue in the Linux kernel code: ieee1394: raw1394: Fix async send
Problem Details: While playing with libiec61883 I've noticed that async_send is broken because it was doing copy_from_user(...., packet->data_size) before packet->data_size was set to any useful value. It got broken when packet->allocated_data_size got introduced, as hpsb_alloc_packet does not set packet->data_size an...
```diff diff --git a/drivers/ieee1394/raw1394.c b/drivers/ieee1394/raw1394.c index d382500f4210..f1d05eeb9f51 100644 --- a/drivers/ieee1394/raw1394.c +++ b/drivers/ieee1394/raw1394.c @@ -936,6 +936,7 @@ static int handle_async_send(struct file_info *fi, struct pending_request *req) struct hpsb_packet *packet; int h...
ef50a6c59dc66f22eba67704e291d709f21e0456
Analyze and fix the following issue in the Linux kernel code: ieee1394: eth1394: bring back a parent device
Problem Details: This adds a real parent device to eth1394's ethX device like in Linux 2.6.20 and older. However, due to unfinished conversion of the ieee1394 away from class_device, we now refer to the FireWire controller's PCI device as the parent, not to the ieee1394 driver's fw-host device. Having a real parent d...
```diff diff --git a/drivers/ieee1394/eth1394.c b/drivers/ieee1394/eth1394.c index d6b19c2780af..5f026b5d7857 100644 --- a/drivers/ieee1394/eth1394.c +++ b/drivers/ieee1394/eth1394.c @@ -599,10 +599,9 @@ static void ether1394_add_host(struct hpsb_host *host) } SET_MODULE_OWNER(dev); -#if 0 - /* FIXME - Is this th...
7a97bc03e089d1a75dc533f0fe69ec8dac672916
Analyze and fix the following issue in the Linux kernel code: ieee1394: eth1394: handle tlabel exhaustion
Problem Details: When eth1394 was unable to acquire a transaction label, it just dropped outgoing packets without attempt to resend them later. The transmit queue is now halted if no tlabel is available to ->hard_start_xmit(). A workqueue job is then scheduled to catch the moment when ieee1394 recycled the next lot o...
```diff diff --git a/drivers/ieee1394/eth1394.c b/drivers/ieee1394/eth1394.c index 8e4c959e586a..d6b19c2780af 100644 --- a/drivers/ieee1394/eth1394.c +++ b/drivers/ieee1394/eth1394.c @@ -47,6 +47,7 @@ #include <linux/types.h> #include <linux/delay.h> #include <linux/init.h> +#include <linux/workqueue.h> #include ...
7574d7e937f81754dfd82deac24aea5880107e2d
Analyze and fix the following issue in the Linux kernel code: hwmon/ds1621: Fix swapped temperature limits
Problem Details: The low temperature limit and the high temperature limit registers have been accidentally swapped, causing alarms to trigger when they shouldn't. Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: Aurelien Jarno <aurelien@aurel32.net>
```diff diff --git a/drivers/hwmon/ds1621.c b/drivers/hwmon/ds1621.c index c849c0c6ee9c..d5ac422d73b2 100644 --- a/drivers/hwmon/ds1621.c +++ b/drivers/hwmon/ds1621.c @@ -53,8 +53,8 @@ MODULE_PARM_DESC(polarity, "Output's polarity: 0 = active high, 1 = active low") /* The DS1621 registers */ #define DS1621_REG_TEMP...
8c678b101a08a6543e62ab60aace93042456aa9d
Analyze and fix the following issue in the Linux kernel code: [PARISC] fix section mismatch in superio serial drivers
Problem Details: This patch fixes two section mismatches in superio serial setup: WARNING: drivers/built-in.o(.text.superio_serial_init+0x78): Section mismatch: reference to .init.text:early_serial_setup (after 'superio_serial_init') WARNING: drivers/built-in.o(.text.superio_serial_init+0xa4): Section mismatch: referen...
```diff diff --git a/drivers/parisc/superio.c b/drivers/parisc/superio.c index 1fd97f7c8b98..a708c329675e 100644 --- a/drivers/parisc/superio.c +++ b/drivers/parisc/superio.c @@ -389,7 +389,7 @@ int superio_fixup_irq(struct pci_dev *pcidev) return local_irq; } -static void __devinit superio_serial_init(void) +stat...
6fe077fd381048293134fbc6011d7e4633edc0c5
Analyze and fix the following issue in the Linux kernel code: [PARISC] fix section mismatch in parisc eisa driver
Problem Details: Hi Kyle, this patch fixes the following section mismatch (EISA cards should be hotplug aware, but the EISA bus itself shouldn't): WARNING: drivers/built-in.o(.text.eisa_probe+0x220): Section mismatch: reference to .init.text:eisa_root_register (after 'eisa_probe') Please apply, Helge Signed-off-by: ...
```diff diff --git a/drivers/parisc/eisa.c b/drivers/parisc/eisa.c index 309076b39853..771cef592542 100644 --- a/drivers/parisc/eisa.c +++ b/drivers/parisc/eisa.c @@ -307,7 +307,7 @@ static void init_eisa_pic(void) #define is_mongoose(dev) (dev->id.sversion == 0x00076) -static int __devinit eisa_probe(struct paris...
6cad75a61d802c5f4f4299103b8f95aeb3ee9876
Analyze and fix the following issue in the Linux kernel code: [SCSI] fdomain: fix PCMCIA-related warnings
Problem Details: fdomain is one of those drivers that is compiled twice, once for PCMCIA and once for non-PCMCIA. The resultant two-driver setup leaves a bit of dead code and data in the non-PCMCIA case, which gcc complains about. Shuffle ifdefs a bit to eliminate the conditionally-dead code, and the compiler warning...
```diff diff --git a/drivers/scsi/fdomain.c b/drivers/scsi/fdomain.c index 0d1661a8116b..36169d597e98 100644 --- a/drivers/scsi/fdomain.c +++ b/drivers/scsi/fdomain.c @@ -410,6 +410,8 @@ static irqreturn_t do_fdomain_16x0_intr( int irq, void *dev_id ); static char * fdomain = NULL; module_param(fdomain, charp, ...
e9541d0ca2a5d713c5d8dcb635d3f41e75c90bfb
Analyze and fix the following issue in the Linux kernel code: [PARISC] fix section mismatches in arch/parisc/kernel
Problem Details: Hi Kyle, this patch fixes two section mismatches in arch/parisc/kernel: WARNING: arch/parisc/kernel/built-in.o(.data.read_mostly+0xd8): Section mismatch: reference to .init.text:processor_probe (between 'cpu_driver' and 'boot_cpu_data') WARNING: arch/parisc/kernel/built-in.o(.text.alloc_pa_dev+0x140):...
```diff diff --git a/arch/parisc/kernel/hardware.c b/arch/parisc/kernel/hardware.c index e365f0311881..04848b2b381c 100644 --- a/arch/parisc/kernel/hardware.c +++ b/arch/parisc/kernel/hardware.c @@ -38,7 +38,7 @@ * so don't reference this table after starting the init process */ -static struct hp_hardware hp_har...
25971f68d392f1816e21520e9e59648403b0bdad
Analyze and fix the following issue in the Linux kernel code: [PARISC] fix section mismatch in ccio-dma
Problem Details: Hi Kyle, this fixes section mismatches in ccio-dma. Additionally, mark parisc_device_id table const. Please apply, Helge Signed-off-by: Helge Deller <deller@gmx.de> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
```diff diff --git a/drivers/parisc/ccio-dma.c b/drivers/parisc/ccio-dma.c index 1459ca8fffc7..b3c4dbff26b8 100644 --- a/drivers/parisc/ccio-dma.c +++ b/drivers/parisc/ccio-dma.c @@ -1227,7 +1227,7 @@ ccio_get_iotlb_size(struct parisc_device *dev) #endif /* 0 */ /* We *can't* support JAVA (T600). Venture there at y...
48a7d5c66b3cecc40364d62cfd54c502c0979561
Analyze and fix the following issue in the Linux kernel code: [PARISC] fix section mismatch in parisc STI video drivers
Problem Details: Hi Kyle, this patch fixes various section mismatches in the sti graphics driver: WARNING: drivers/built-in.o(.text.sticore_pci_init+0xac): Section mismatch: reference to .init.text:sti_try_rom_generic (after 'sticore_pci_init') WARNING: drivers/built-in.o(.text.sticore_pci_init+0xe4): Section mismatch...
```diff diff --git a/drivers/video/console/sticore.c b/drivers/video/console/sticore.c index 717b360d0415..870017d44970 100644 --- a/drivers/video/console/sticore.c +++ b/drivers/video/console/sticore.c @@ -240,7 +240,7 @@ static void sti_flush(unsigned long from, unsigned long len) flush_icache_range(from, from+len)...
649f0edd8b8ec0c0344fc36dd3f1c0add4497dc8
Analyze and fix the following issue in the Linux kernel code: [PARISC] fix section mismatch in parport_gsc
Problem Details: Signed-off-by: Helge Deller <deller@gmx.de> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
```diff diff --git a/drivers/parport/parport_gsc.c b/drivers/parport/parport_gsc.c index 17bf9937d276..43652ba523eb 100644 --- a/drivers/parport/parport_gsc.c +++ b/drivers/parport/parport_gsc.c @@ -350,7 +350,7 @@ struct parport *__devinit parport_gsc_probe_port (unsigned long base, #define PARPORT_GSC_OFFSET 0x800...
76fb9278fd76e8662987ca83a106ac30c813bea5
Analyze and fix the following issue in the Linux kernel code: [PARISC] fix lasi_82596 build
Problem Details: Signed-off-by: Helge Deller <deller@gmx.de> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
```diff diff --git a/drivers/net/lasi_82596.c b/drivers/net/lasi_82596.c index 6b49fc4bd1a1..741780e14b2c 100644 --- a/drivers/net/lasi_82596.c +++ b/drivers/net/lasi_82596.c @@ -83,6 +83,7 @@ #include <linux/init.h> #include <linux/types.h> #include <linux/bitops.h> +#include <linux/dma-mapping.h> #include <asm/...
9ef3e4a4527e1f65b8776287c6d4fd1fca5ba98f
Analyze and fix the following issue in the Linux kernel code: [SCSI] fc_transport: fix sysfs deadlock on vport delete
Problem Details: When the vport attribute "delete" is used to delete the vport, sysfs deadlocks waiting for the write to complete, which is waiting for the sysfs teardown to complete. Moved this effort to a work_q element. Took the opportunity to make some other cosmetic changes: - removed tabs in Doc file - replaced...
```diff diff --git a/Documentation/scsi/scsi_fc_transport.txt b/Documentation/scsi/scsi_fc_transport.txt index ab057afc757f..d403e46d8463 100644 --- a/Documentation/scsi/scsi_fc_transport.txt +++ b/Documentation/scsi/scsi_fc_transport.txt @@ -119,67 +119,67 @@ Vport Attributes: The new fc_vport class object has th...
bee4fe8e63ea1985f3955323dbc98b6d6bd5c6f8
Analyze and fix the following issue in the Linux kernel code: [SCSI] qla4xxx: ql4_os.c bugfixes
Problem Details: Free memory resources after invoking free_irq() in qla4xxx_free_adapter(). QLA4xxx has two pci functions per port (Ethernet and iSCSI). When one of these PCI functions issues a HBA reset, all other functions are notified and need to acknowledge and re-initialize. During module qla4xxx_remove_adapter() ...
```diff diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index da21f5fbbf87..0e4688c9e0a2 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -10,6 +10,10 @@ #include <scsi/scsicam.h> #include "ql4_def.h" +#include "ql4_version.h" +#include "ql4_glbl.h" +#incl...
c0e344c9b7971996e4fe409d7b8ba9ceb7b7583d
Analyze and fix the following issue in the Linux kernel code: [SCSI] qla4xxx: ql4_mbx.c remove dead code bugfixes
Problem Details: All all inbound mbx registers for all mbx commands. Remove dead code. Signed-off-by: David Somayajulu <david.somayajulu@qlogic.com> Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
```diff diff --git a/drivers/scsi/qla4xxx/ql4_mbx.c b/drivers/scsi/qla4xxx/ql4_mbx.c index f116ff917237..35cd73c72a68 100644 --- a/drivers/scsi/qla4xxx/ql4_mbx.c +++ b/drivers/scsi/qla4xxx/ql4_mbx.c @@ -6,6 +6,9 @@ */ #include "ql4_def.h" +#include "ql4_glbl.h" +#include "ql4_dbg.h" +#include "ql4_inline.h" /...
92b7273608da2c681f54fd36d182a582673ed260
Analyze and fix the following issue in the Linux kernel code: [SCSI] qla4xxx: ql4_init.c bugfixes
Problem Details: In qla4xxx_get_ddb_entry() and qla4xxx_add_device_dynamically() differentiate between a target which has been newly added vs a target which went offline temporarily and is online again. In qla4xxx_build_ddb_list() firmware ddb state needs to be updated by calling qla4xxx_get_ddb_entry(). Fix qla4x00_p...
```diff diff --git a/drivers/scsi/qla4xxx/ql4_init.c b/drivers/scsi/qla4xxx/ql4_init.c index 6365df268612..d8c064c2afc3 100644 --- a/drivers/scsi/qla4xxx/ql4_init.c +++ b/drivers/scsi/qla4xxx/ql4_init.c @@ -6,6 +6,9 @@ */ #include "ql4_def.h" +#include "ql4_glbl.h" +#include "ql4_dbg.h" +#include "ql4_inline.h" ...
de5952e91caf41bd838a787c7b9b6ca2e1292484
Analyze and fix the following issue in the Linux kernel code: [SCSI] megaraid: fix compiler warnings
Problem Details: The user ioctl mailbox can only support a 32 bit address for the commands structure. This is fine, since the area it's pointing to is allocated with pci_alloc_consistent(), so it should be physically < 4GB. Thus kill the ptr to u32 conversion warnings on 64 bit. Signed-off-by: Martin J. Bligh <mblig...
```diff diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c index 3cce75d70263..40ee07dab450 100644 --- a/drivers/scsi/megaraid.c +++ b/drivers/scsi/megaraid.c @@ -3571,7 +3571,7 @@ megadev_ioctl(struct inode *inode, struct file *filep, unsigned int cmd, /* * The user passthru structure */ - ...
f4d43bd579f13219ffd3cae48432eab5bbac2d6f
Analyze and fix the following issue in the Linux kernel code: fix compat console unimap regression
Problem Details: Why is it that since the 2f1a2ccb9c0de632ab07193becf5f7121794f6ae console UTF-8 fixes went into 2.6.22-rc1, the PowerMac G5 shows only inverse video question marks for the text on tty2-6? whereas tty1 is fine, and so is x86. No fault of that patch: by removing the old fallback behaviour, it reveals th...
```diff diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c index 65643def3182..6b44cdc96fac 100644 --- a/fs/compat_ioctl.c +++ b/fs/compat_ioctl.c @@ -1194,6 +1194,7 @@ static int vt_check(struct file *file) { struct tty_struct *tty; struct inode *inode = file->f_path.dentry->d_inode; + struct vc_data *vc; if...
5c04ec74da2f4d3ec0ca406c705313c9b3c7f9b5
Analyze and fix the following issue in the Linux kernel code: [PARISC] Build fixes for power.c
Problem Details: <linux/pm.h> is no longer implicitly included. Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
```diff diff --git a/drivers/parisc/power.c b/drivers/parisc/power.c index 6dedbdef7106..90cca5e3805f 100644 --- a/drivers/parisc/power.c +++ b/drivers/parisc/power.c @@ -41,6 +41,7 @@ #include <linux/reboot.h> #include <linux/sched.h> #include <linux/kthread.h> +#include <linux/pm.h> #include <asm/pdc.h> #inclu...
c343a8391496de83c66e771ead986aab0d6f777f
Analyze and fix the following issue in the Linux kernel code: pata: Trivia
Problem Details: Typo/comment fixes Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
```diff diff --git a/drivers/ata/pata_artop.c b/drivers/ata/pata_artop.c index 7b4810c171b7..03b6ddd2abd2 100644 --- a/drivers/ata/pata_artop.c +++ b/drivers/ata/pata_artop.c @@ -97,7 +97,7 @@ static int artop6260_pre_reset(struct ata_port *ap, unsigned long deadline) * artop6260_cable_detect - identify cable type ...
8fccfc829a66b8b879c6672940523a402a786ce1
Analyze and fix the following issue in the Linux kernel code: ocfs2: fix inode leak
Problem Details: We weren't cleaning up our inode reference on error in ocfs2_reserve_local_alloc_bits(). Add a check for error return and iput() if need be. Move the code to set the alloc context inode info to the end of the function so we don't have any possibility of passing back a bad pointer. Signed-off-by: Mark ...
```diff diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c index 4dedd9789108..545f7892cdf3 100644 --- a/fs/ocfs2/localalloc.c +++ b/fs/ocfs2/localalloc.c @@ -471,9 +471,6 @@ int ocfs2_reserve_local_alloc_bits(struct ocfs2_super *osb, mutex_lock(&local_alloc_inode->i_mutex); - ac->ac_inode = local_alloc_i...
e9dfc0b2bc42761410e8db6c252c6c5889e178b8
Analyze and fix the following issue in the Linux kernel code: ocfs2: trylock in ocfs2_readpage()
Problem Details: Similarly to the page lock / cluster lock inversion in ocfs2_readpage, we can deadlock on ip_alloc_sem. We can down_read_trylock() instead and just return AOP_TRUNCATED_PAGE if the operation fails. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
```diff diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index 8e7cafb5fc6c..30306707b2ca 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -222,7 +222,10 @@ static int ocfs2_readpage(struct file *file, struct page *page) goto out; } - down_read(&OCFS2_I(inode)->ip_alloc_sem); + if (down_read_trylock(&OCFS2_I(...