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| author | Nick Piggin <npiggin@suse.de> | 2006-12-06 20:31:53 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.osdl.org> | 2006-12-07 08:39:20 -0800 |
| commit | cd54e7e54318d333227b13186f9a464bf1f68d27 (patch) | |
| tree | 75bf795ab6c3805f318b2d3040321ba31ef35c6a /sound | |
| parent | f2a2a7108aa0039ba7a5fe7a0d2ecef2219a7584 (diff) | |
| download | kernel_samsung_smdk4412-cd54e7e54318d333227b13186f9a464bf1f68d27.tar.gz kernel_samsung_smdk4412-cd54e7e54318d333227b13186f9a464bf1f68d27.tar.bz2 kernel_samsung_smdk4412-cd54e7e54318d333227b13186f9a464bf1f68d27.zip | |
[PATCH] mm: incorrect VM_FAULT_OOM returns from drivers
Some drivers are returning OOM when it is not in response to a memory
shortage.
Signed-off-by: Nick Piggin <npiggin@suse.de>
Cc: Dave Airlie <airlied@linux.ie>
Cc: Jaroslav Kysela <perex@suse.cz>
Cc: Takashi Iwai <tiwai@suse.de>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/core/pcm_native.c | 10 | ||||
| -rw-r--r-- | sound/oss/via82cxxx_audio.c | 4 | ||||
| -rw-r--r-- | sound/usb/usx2y/usX2Yhwdep.c | 2 |
3 files changed, 8 insertions, 8 deletions
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index 66e24b5da46..6ea67b16c67 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -3027,7 +3027,7 @@ static struct page * snd_pcm_mmap_status_nopage(struct vm_area_struct *area, struct page * page; if (substream == NULL) - return NOPAGE_OOM; + return NOPAGE_SIGBUS; runtime = substream->runtime; page = virt_to_page(runtime->status); get_page(page); @@ -3070,7 +3070,7 @@ static struct page * snd_pcm_mmap_control_nopage(struct vm_area_struct *area, struct page * page; if (substream == NULL) - return NOPAGE_OOM; + return NOPAGE_SIGBUS; runtime = substream->runtime; page = virt_to_page(runtime->control); get_page(page); @@ -3131,18 +3131,18 @@ static struct page *snd_pcm_mmap_data_nopage(struct vm_area_struct *area, size_t dma_bytes; if (substream == NULL) - return NOPAGE_OOM; + return NOPAGE_SIGBUS; runtime = substream->runtime; offset = area->vm_pgoff << PAGE_SHIFT; offset += address - area->vm_start; - snd_assert((offset % PAGE_SIZE) == 0, return NOPAGE_OOM); + snd_assert((offset % PAGE_SIZE) == 0, return NOPAGE_SIGBUS); dma_bytes = PAGE_ALIGN(runtime->dma_bytes); if (offset > dma_bytes - PAGE_SIZE) return NOPAGE_SIGBUS; if (substream->ops->page) { page = substream->ops->page(substream, offset); if (! page) - return NOPAGE_OOM; + return NOPAGE_OOM; /* XXX: is this really due to OOM? */ } else { vaddr = runtime->dma_area + offset; page = virt_to_page(vaddr); diff --git a/sound/oss/via82cxxx_audio.c b/sound/oss/via82cxxx_audio.c index 17837d4b5ed..c96cc8c68b3 100644 --- a/sound/oss/via82cxxx_audio.c +++ b/sound/oss/via82cxxx_audio.c @@ -2120,8 +2120,8 @@ static struct page * via_mm_nopage (struct vm_area_struct * vma, return NOPAGE_SIGBUS; /* Disallow mremap */ } if (!card) { - DPRINTK ("EXIT, returning NOPAGE_OOM\n"); - return NOPAGE_OOM; /* Nothing allocated */ + DPRINTK ("EXIT, returning NOPAGE_SIGBUS\n"); + return NOPAGE_SIGBUS; /* Nothing allocated */ } pgoff = vma->vm_pgoff + ((address - vma->vm_start) >> PAGE_SHIFT); diff --git a/sound/usb/usx2y/usX2Yhwdep.c b/sound/usb/usx2y/usX2Yhwdep.c index 4b52d18dcd5..b76b3dd9df2 100644 --- a/sound/usb/usx2y/usX2Yhwdep.c +++ b/sound/usb/usx2y/usX2Yhwdep.c @@ -48,7 +48,7 @@ static struct page * snd_us428ctls_vm_nopage(struct vm_area_struct *area, unsign offset = area->vm_pgoff << PAGE_SHIFT; offset += address - area->vm_start; - snd_assert((offset % PAGE_SIZE) == 0, return NOPAGE_OOM); + snd_assert((offset % PAGE_SIZE) == 0, return NOPAGE_SIGBUS); vaddr = (char*)((struct usX2Ydev *)area->vm_private_data)->us428ctls_sharedmem + offset; page = virt_to_page(vaddr); get_page(page); |