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mips: fix an off-by-one in dma_capable 

This makes it match the generic version.

Reported-by: Vladimir Murzin <vladimir.murzin@arm.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Christoph Hellwig 2018-01-10 16:19:47 +01:00
parent 298f0027d5
commit 10dac04c79
1 changed files with 1 additions and 1 deletions
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2
arch/mips/include/asm/dma-mapping.h
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@ -22,7 +22,7 @@ static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size)
if (!dev->dma_mask)
return false;
return addr + size <= *dev->dma_mask;
return addr + size - 1 <= *dev->dma_mask;
}
static inline void dma_mark_clean(void *addr, size_t size) {}