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authorFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>2008-10-23 18:42:03 +0900
committerIngo Molnar <mingo@elte.hu>2008-10-23 21:54:38 +0200
commita2b89b596c5a0b288adac84b17bdda6bde8d144e (patch)
treecb33305ff4f30ceaba1c5cbd0eef84d68edca942 /lib/inflate.c
parentff3c536291ce96ef6f45704cd37eaed71127dd42 (diff)
swiotlb: remove panic for alloc_coherent failure
swiotlb_alloc_coherent calls panic() when allocated swiotlb pages is not fit for a device's dma mask. However, alloc_coherent failure is not a disaster at all. AFAIK, none of other x86 and IA64 IOMMU implementations don't crash in case of alloc_coherent failure. There are some drivers that don't check alloc_coherent failure but not many (about ten and I've already started to fix some of them). alloc_coherent returns NULL in case of failure so it's likely that these guilty drivers crash immediately. So swiotlb doesn't need to call panic() just for them. Reported-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Tested-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'lib/inflate.c')
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