| Message ID | 20241104194059.47924-1-jiashengjiangcool@gmail.com |
|---|---|
| State | New |
| Headers | show |
| Series | [v2] counter: ti-ecap-capture: Add check for clk_enable() | expand |
diff --git a/drivers/counter/ti-ecap-capture.c b/drivers/counter/ti-ecap-capture.c index 675447315caf..b119aeede693 100644 --- a/drivers/counter/ti-ecap-capture.c +++ b/drivers/counter/ti-ecap-capture.c @@ -574,8 +574,13 @@ static int ecap_cnt_resume(struct device *dev) { struct counter_device *counter_dev = dev_get_drvdata(dev); struct ecap_cnt_dev *ecap_dev = counter_priv(counter_dev); + int ret; - clk_enable(ecap_dev->clk); + ret = clk_enable(ecap_dev->clk); + if (ret) { + dev_err(dev, "Cannot enable clock %d\n", ret); + return ret; + } ecap_cnt_capture_set_evmode(counter_dev, ecap_dev->pm_ctx.ev_mode);
Add check for the return value of clk_enable() in order to catch the potential exception. Fixes: 4e2f42aa00b6 ("counter: ti-ecap-capture: capture driver support for ECAP") Reviewed-by: Julien Panis <jpanis@baylibre.com> Signed-off-by: Jiasheng Jiang <jiashengjiangcool@gmail.com> --- Changelog: v1 -> v2: 1. Add dev_err() to indicate the reason for the error code. --- drivers/counter/ti-ecap-capture.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)