Commit 8251e762 authored by Mingwei Zheng's avatar Mingwei Zheng Committed by Johannes Berg
Browse files

net: rfkill: gpio: Add check for clk_enable() 



Add check for the return value of clk_enable() to catch the potential
error.

Fixes: 7176ba23 ("net: rfkill: add generic gpio rfkill driver")
Signed-off-by: default avatarMingwei Zheng <zmw12306@gmail.com>
Signed-off-by: default avatarJiasheng Jiang <jiashengjiangcool@gmail.com>
Link: https://patch.msgid.link/20241108195341.1853080-1-zmw12306@gmail.com


Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent 857282b8

net/rfkill/rfkill-gpio.c

+6 −2
Original line number Diff line number Diff line
@@ -32,8 +32,12 @@ static int rfkill_gpio_set_power(void *data, bool blocked) 
{

	struct rfkill_gpio_data *rfkill = data;



	if (!blocked && !IS_ERR(rfkill->clk) && !rfkill->clk_enabled)

		clk_enable(rfkill->clk);

	if (!blocked && !IS_ERR(rfkill->clk) && !rfkill->clk_enabled) {

		int ret = clk_enable(rfkill->clk);



		if (ret)

			return ret;

	}



	gpiod_set_value_cansleep(rfkill->shutdown_gpio, !blocked);

	gpiod_set_value_cansleep(rfkill->reset_gpio, !blocked);