summaryrefslogtreecommitdiffstats
path: root/arch/mips/lantiq/xway/gptu.c
diff options
context:
space:
mode:
authorXiaoke Wang <xkernel.wang@foxmail.com>2022-03-25 19:49:41 +0800
committerThomas Bogendoerfer <tsbogend@alpha.franken.de>2022-03-30 20:25:48 +0200
commit34123208bbcc8c884a0489f543a23fe9eebb5514 (patch)
treebbf316f4fad2183dd5c020dbadef27668b653640 /arch/mips/lantiq/xway/gptu.c
parentf93e2a100ee73a4b84d96d7d1881baaac36e586e (diff)
downloadlinux-34123208bbcc8c884a0489f543a23fe9eebb5514.tar.bz2
MIPS: lantiq: check the return value of kzalloc()
kzalloc() is a memory allocation function which can return NULL when some internal memory errors happen. So it is better to check the return value of it to prevent potential wrong memory access or memory leak. Signed-off-by: Xiaoke Wang <xkernel.wang@foxmail.com> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Diffstat (limited to 'arch/mips/lantiq/xway/gptu.c')
-rw-r--r--arch/mips/lantiq/xway/gptu.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/mips/lantiq/xway/gptu.c b/arch/mips/lantiq/xway/gptu.c
index 3d5683e75cf1..200fe9ff641d 100644
--- a/arch/mips/lantiq/xway/gptu.c
+++ b/arch/mips/lantiq/xway/gptu.c
@@ -122,6 +122,8 @@ static inline void clkdev_add_gptu(struct device *dev, const char *con,
{
struct clk *clk = kzalloc(sizeof(struct clk), GFP_KERNEL);
+ if (!clk)
+ return;
clk->cl.dev_id = dev_name(dev);
clk->cl.con_id = con;
clk->cl.clk = clk;