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authorMingwei Zheng <zmw12306@gmail.com>2024-11-08 14:53:41 -0500
committerJohannes Berg <johannes.berg@intel.com>2024-11-12 13:30:31 +0100
commit8251e7621b25ccdb689f1dd9553b8789e3745ea1 (patch)
tree25bc8d123811d158f742ecabcfa469c7c3d9ea5e /net/rfkill
parent857282b819cbaa0675aaab1e7542e2c0579f52d7 (diff)
net: rfkill: gpio: Add check for clk_enable()
Add check for the return value of clk_enable() to catch the potential error. Fixes: 7176ba23f8b5 ("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>
Diffstat (limited to 'net/rfkill')
-rw-r--r--net/rfkill/rfkill-gpio.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/net/rfkill/rfkill-gpio.c b/net/rfkill/rfkill-gpio.c
index c268c2b011f4..a8e21060112f 100644
--- a/net/rfkill/rfkill-gpio.c
+++ b/net/rfkill/rfkill-gpio.c
@@ -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);