summaryrefslogtreecommitdiffstats
path: root/arch/arm/common
diff options
context:
space:
mode:
authorRussell King <rmk+kernel@arm.linux.org.uk>2011-07-04 00:54:34 +0200
committerRussell King <rmk+kernel@arm.linux.org.uk>2011-07-04 00:54:34 +0200
commitdfa322fceb15227c07670c415e835d2dfa8a4307 (patch)
tree2c5c9a8589ddc165ed1af59796fabd27b9ef7e79 /arch/arm/common
parentARM: dmabounce: remove useless pr_err (diff)
downloadlinux-dfa322fceb15227c07670c415e835d2dfa8a4307.tar.xz
linux-dfa322fceb15227c07670c415e835d2dfa8a4307.zip
ARM: dmabounce: check pointer against NULL not 0
Pointers should be checked against NULL rather than 0, otherwise we get sparse warnings. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/common')
-rw-r--r--arch/arm/common/dmabounce.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/common/dmabounce.c b/arch/arm/common/dmabounce.c
index 0077c1b7d7ff..b4a8759e0fa4 100644
--- a/arch/arm/common/dmabounce.c
+++ b/arch/arm/common/dmabounce.c
@@ -249,7 +249,7 @@ static inline dma_addr_t map_single(struct device *dev, void *ptr, size_t size,
DO_STATS ( device_info->map_op_count++ );
buf = alloc_safe_buffer(device_info, ptr, size, dir);
- if (buf == 0) {
+ if (buf == NULL) {
dev_err(dev, "%s: unable to map unsafe buffer %p!\n",
__func__, ptr);
return ~0;