diff options
| author | Mingwei Zheng <zmw12306@gmail.com> | 2024-11-08 14:53:41 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-12-09 10:32:11 +0100 |
| commit | 440f6a15700e234fdc3ef27245c4c501c894b7de (patch) | |
| tree | 6c0d033507e6d885af5e85f4bed31ea73891173a /net/rfkill/rfkill-gpio.c | |
| parent | 89bf1b665ba9290d1ba6ea00baea3be45ccb4f83 (diff) | |
| download | linux-440f6a15700e234fdc3ef27245c4c501c894b7de.tar.gz linux-440f6a15700e234fdc3ef27245c4c501c894b7de.tar.bz2 linux-440f6a15700e234fdc3ef27245c4c501c894b7de.zip | |
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: 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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'net/rfkill/rfkill-gpio.c')
| -rw-r--r-- | net/rfkill/rfkill-gpio.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/net/rfkill/rfkill-gpio.c b/net/rfkill/rfkill-gpio.c index 4e32d659524e..b12edbe0ef45 100644 --- a/net/rfkill/rfkill-gpio.c +++ b/net/rfkill/rfkill-gpio.c @@ -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); |