Commit 117a1542 authored by Xiaoke Wang's avatar Xiaoke Wang Committed by Stephen Boyd
Browse files

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: default avatarXiaoke Wang <xkernel.wang@foxmail.com>
Link: https://lore.kernel.org/r/tencent_2B9817738F38B02844C245946EFF3B407E09@qq.com


Signed-off-by: default avatarStephen Boyd <sboyd@kernel.org>
parent e11a47f5

drivers/clk/pxa/clk-pxa.c

+2 −0
Original line number Diff line number Diff line
@@ -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;