From mboxrd@z Thu Jan 1 00:00:00 1970 From: hch@lst.de (Christoph Hellwig) Date: Fri, 12 Jan 2018 09:42:09 +0100 Subject: [PATCH 11/34] mips: fix an off-by-one in dma_capable In-Reply-To: <20180112084232.2857-1-hch@lst.de> References: <20180112084232.2857-1-hch@lst.de> List-ID: Message-ID: <20180112084232.2857-12-hch@lst.de> To: linux-snps-arc@lists.infradead.org This makes it match the generic version. Reported-by: Vladimir Murzin Signed-off-by: Christoph Hellwig --- 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