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| author |   Christoph Hellwig <hch@lst.de> | 2018-01-10 16:19:47 +0100 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2018-01-10 16:25:24 +0100 |
| commit | 10dac04c79b181b255a62f60919f29acc56277ac (patch) | |
| tree | 40bd6e1ed4bebc448a91fa1878614621b8f0c59d /arch/mips/include/asm/dma-mapping.h | |
| parent | arm64: don't override dma_max_pfn (diff) | |
| download | linux-dev-10dac04c79b181b255a62f60919f29acc56277ac.tar.xz linux-dev-10dac04c79b181b255a62f60919f29acc56277ac.zip | |
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>
Diffstat (limited to 'arch/mips/include/asm/dma-mapping.h')
| -rw-r--r-- | arch/mips/include/asm/dma-mapping.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/mips/include/asm/dma-mapping.h b/arch/mips/include/asm/dma-mapping.h index 0d9418d264f9..5c334ac15945 100644 --- a/arch/mips/include/asm/dma-mapping.h +++ b/arch/mips/include/asm/dma-mapping.h @@ -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) {} |