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author | Ingo Molnar <mingo@kernel.org> | 2015-07-31 08:23:35 (GMT) |
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committer | Ingo Molnar <mingo@kernel.org> | 2015-07-31 08:23:35 (GMT) |
commit | 5b929bd11df23922daf1be5d52731cc3900c1d79 (patch) | |
tree | 105fa5987b03c9f4e0260a9eb04dff7bb3d16839 /arch/arc/mm/dma.c | |
parent | b2c51106c7581866c37ffc77c5d739f3d4b7cbc9 (diff) | |
parent | 37868fe113ff2ba814b3b4eb12df214df555f8dc (diff) | |
download | linux-5b929bd11df23922daf1be5d52731cc3900c1d79.tar.xz |
Merge branch 'x86/urgent' into x86/asm, before applying dependent patches
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/arc/mm/dma.c')
-rw-r--r-- | arch/arc/mm/dma.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/arc/mm/dma.c b/arch/arc/mm/dma.c index 74a637a..57706a9 100644 --- a/arch/arc/mm/dma.c +++ b/arch/arc/mm/dma.c @@ -60,8 +60,8 @@ void *dma_alloc_coherent(struct device *dev, size_t size, /* This is kernel Virtual address (0x7000_0000 based) */ kvaddr = ioremap_nocache((unsigned long)paddr, size); - if (kvaddr != NULL) - memset(kvaddr, 0, size); + if (kvaddr == NULL) + return NULL; /* This is bus address, platform dependent */ *dma_handle = (dma_addr_t)paddr; |