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| author | Chris Zankel <chris@zankel.net> | 2015-08-29 23:55:58 (GMT) |
|---|---|---|
| committer | Chris Zankel <chris@zankel.net> | 2015-08-29 23:55:58 (GMT) |
| commit | 650c919798c71fb34b77a6f2ba03a06907f06a76 (patch) | |
| tree | d1c60012d4d86846d25f1d0b783b5122c26a2e31 /arch/arc/mm/dma.c | |
| parent | 895fb3159280fe7695b35ec7c87ec19e13ca5b6e (diff) | |
| parent | 64291f7db5bd8150a74ad2036f1037e6a0428df2 (diff) | |
| download | linux-650c919798c71fb34b77a6f2ba03a06907f06a76.tar.xz | |
Merge tag 'v4.2' into for_next
Linux 4.2
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; |