counter: ti-ecap-capture: Add check for clk_enable()

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 <[email protected]>
Signed-off-by: Jiasheng Jiang <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: William Breathitt Gray <[email protected]>

diff --git a/drivers/counter/ti-ecap-capture.c b/drivers/counter/ti-ecap-capture.c
index 675447315cafb831b36ccd27676904b4c5ff600f..b119aeede693ec4ec33c2362ab8589344855e7bf 100644 (file)
--- 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);