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authorOlav Haugan <ohaugan@codeaurora.org>2017-06-13 13:56:14 -0700
committerWill Deacon <will.deacon@arm.com>2017-06-15 11:40:22 +0100
commit577dfe16b852a90f26cf677cdc9113ec34199de6 (patch)
tree12c8e916535935d9bf004fb26c66b973374d21fa /arch/arm64/include
parentc484f2564db12fa2b01b198ecb6ff0751a3e5e32 (diff)
arm64/dma-mapping: Remove extraneous null-pointer checks
The current null-pointer check in __dma_alloc_coherent and __dma_free_coherent is not needed anymore since the __dma_alloc/__dma_free functions won't be called if !dev (dummy ops will be called instead). Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Olav Haugan <ohaugan@codeaurora.org> Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'arch/arm64/include')
-rw-r--r--arch/arm64/include/asm/dma-mapping.h2
1 files changed, 0 insertions, 2 deletions
diff --git a/arch/arm64/include/asm/dma-mapping.h b/arch/arm64/include/asm/dma-mapping.h
index 5392dbeffa45..f72779aad276 100644
--- a/arch/arm64/include/asm/dma-mapping.h
+++ b/arch/arm64/include/asm/dma-mapping.h
@@ -48,8 +48,6 @@ void arch_teardown_dma_ops(struct device *dev);
/* do not use this function in a driver */
static inline bool is_device_dma_coherent(struct device *dev)
{
- if (!dev)
- return false;
return dev->archdata.dma_coherent;
}