diff options
| author |   Xiaoke Wang <xkernel.wang@foxmail.com> | 2022-04-07 17:33:49 +0800 |
|---|---|---|
| committer |   Stephen Boyd <sboyd@kernel.org> | 2022-10-03 12:32:03 -0700 |
| commit | 117a1542c0bc9bcce0c5b9bc63ff54dc967acdf5 (patch) | |
| tree | 098e919b4635fe3ec155a9d7e9efc55ae971c7b6 /drivers/clk/pxa | |
| parent | clk: mmp: pxa168: control shared SDH bits with separate clock (diff) | |
| download | linux-dev-117a1542c0bc9bcce0c5b9bc63ff54dc967acdf5.tar.xz linux-dev-117a1542c0bc9bcce0c5b9bc63ff54dc967acdf5.zip | |
clk: pxa: add a check for 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 it to
prevent potential wrong memory access.
Signed-off-by: Xiaoke Wang <xkernel.wang@foxmail.com>
Link: https://lore.kernel.org/r/tencent_2B9817738F38B02844C245946EFF3B407E09@qq.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Diffstat (limited to 'drivers/clk/pxa')
| -rw-r--r-- | drivers/clk/pxa/clk-pxa.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/clk/pxa/clk-pxa.c b/drivers/clk/pxa/clk-pxa.c index 03de634efc52..374098ebbf2b 100644 --- a/drivers/clk/pxa/clk-pxa.c +++ b/drivers/clk/pxa/clk-pxa.c @@ -104,6 +104,8 @@ int __init clk_pxa_cken_init(const struct desc_clk_cken *clks, for (i = 0; i < nb_clks; i++) { pxa_clk = kzalloc(sizeof(*pxa_clk), GFP_KERNEL); + if (!pxa_clk) + return -ENOMEM; pxa_clk->is_in_low_power = clks[i].is_in_low_power; pxa_clk->lp = clks[i].lp; pxa_clk->hp = clks[i].hp; |