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

[ Upstream commit 8251e7621b25ccdb689f1dd9553b8789e3745ea1 ]

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

Fixes: 7176ba23f8 ("net: rfkill: add generic gpio rfkill driver")
Signed-off-by: Mingwei Zheng <zmw12306@gmail.com>
Signed-off-by: Jiasheng Jiang <jiashengjiangcool@gmail.com>
Link: https://patch.msgid.link/20241108195341.1853080-1-zmw12306@gmail.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Mingwei Zheng 2024-11-08 14:53:41 -05:00 committed by Greg Kroah-Hartman
parent 89bf1b665b
commit 440f6a1570
1 changed files with 6 additions and 2 deletions
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8
net/rfkill/rfkill-gpio.c
View File

@ -31,8 +31,12 @@ 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);