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clk: pxa: add a check for the return value of kzalloc()

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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>
This commit is contained in:
Xiaoke Wang 2022-04-07 17:33:49 +08:00 committed by Stephen Boyd
parent e11a47f520
commit 117a1542c0
1 changed files with 2 additions and 0 deletions
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2
drivers/clk/pxa/clk-pxa.c
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@ -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;