6.1-stable review patch. If anyone has any objections, please let me know.
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From: Jiasheng Jiang jiashengjiangcool@gmail.com
[ Upstream commit 1437d9f1c56fce9c24e566508bce1d218dd5497a ]
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 Link: https://lore.kernel.org/r/20241104194059.47924-1-jiashengjiangcool@gmail.com Signed-off-by: William Breathitt Gray wbg@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/counter/ti-ecap-capture.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/counter/ti-ecap-capture.c b/drivers/counter/ti-ecap-capture.c index fb1cb1774674a..b84e368a413f5 100644 --- a/drivers/counter/ti-ecap-capture.c +++ b/drivers/counter/ti-ecap-capture.c @@ -576,8 +576,13 @@ 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);