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| author | Jan Beulich <JBeulich@novell.com> | 2009-12-15 16:47:43 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-16 07:20:12 -0800 |
| commit | ac2b3e67dd59b8c6ef8c199641444c6ea03535a6 (patch) | |
| tree | ce7ac263fc47517ed42a15670a5359094b2a1f05 /arch/powerpc/include/asm/rwsem.h | |
| parent | bbead2104e912571c3afb2aafe5ece1b446b56d9 (diff) | |
| download | blackbird-op-linux-ac2b3e67dd59b8c6ef8c199641444c6ea03535a6.tar.gz blackbird-op-linux-ac2b3e67dd59b8c6ef8c199641444c6ea03535a6.zip | |
dma-mapping: fix off-by-one error in dma_capable()
dma_mask is, when interpreted as address, the last valid byte, and hence
comparison msut also be done using the last valid of the buffer in
question.
Also fix the open-coded instances in lib/swiotlb.c.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Cc: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Becky Bruce <beckyb@kernel.crashing.org>
Cc: "Luck, Tony" <tony.luck@intel.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/powerpc/include/asm/rwsem.h')
0 files changed, 0 insertions, 0 deletions
