lkml.org 
[lkml]   [2018]   [Jan]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[PATCH 11/34] mips: fix an off-by-one in dma_capable
    Date
    This makes it match the generic version.

    Reported-by: Vladimir Murzin <vladimir.murzin@arm.com>
    Signed-off-by: Christoph Hellwig <hch@lst.de>
    ---
    arch/mips/include/asm/dma-mapping.h | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    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) {}
    --
    2.14.2
    \
     
     \ /
      Last update: 2018-01-14 23:25    [W:4.153 / U:0.684 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site