diff options
| author | Mingwei Zheng <zmw12306@gmail.com> | 2024-12-16 01:47:52 +0300 |
|---|---|---|
| committer | Uwe Kleine-König <ukleinek@kernel.org> | 2025-01-17 12:41:56 +0300 |
| commit | e8c59791ebb60790c74b2c3ab520f04a8a57219a (patch) | |
| tree | 7430aaed548249d146b74d0d953086d3bce4bd29 /drivers/pwm/pwm-stm32.c | |
| parent | 78dcad6daa405b8a939cd08f6ccd6c4e2cb50a9c (diff) | |
| download | linux-e8c59791ebb60790c74b2c3ab520f04a8a57219a.tar.xz | |
pwm: stm32: Add check for clk_enable()
Add check for the return value of clk_enable() to catch the potential
error.
Fixes: 19f1016ea960 ("pwm: stm32: Fix enable count for clk in .probe()")
Signed-off-by: Mingwei Zheng <zmw12306@gmail.com>
Signed-off-by: Jiasheng Jiang <jiashengjiangcool@gmail.com>
Link: https://lore.kernel.org/r/20241215224752.220318-1-zmw12306@gmail.com
Signed-off-by: Uwe Kleine-König <ukleinek@kernel.org>
Diffstat (limited to 'drivers/pwm/pwm-stm32.c')
| -rw-r--r-- | drivers/pwm/pwm-stm32.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/pwm/pwm-stm32.c b/drivers/pwm/pwm-stm32.c index 17e591f61efb..a59de4de18b6 100644 --- a/drivers/pwm/pwm-stm32.c +++ b/drivers/pwm/pwm-stm32.c @@ -858,8 +858,11 @@ static int stm32_pwm_probe(struct platform_device *pdev) chip->ops = &stm32pwm_ops; /* Initialize clock refcount to number of enabled PWM channels. */ - for (i = 0; i < num_enabled; i++) - clk_enable(priv->clk); + for (i = 0; i < num_enabled; i++) { + ret = clk_enable(priv->clk); + if (ret) + return ret; + } ret = devm_pwmchip_add(dev, chip); if (ret < 0) |