test: pwm: Add a check that dev is not NULL

We know that uclass_get_device() does not return NULL for dev when it
succeeds but coverity does not. Add an extra check to hopefully keep it
happy.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reported-by: Coverity (CID: 161690)
Fixes: 43b4156 (dm: sandbox: pwm: Add a basic pwm test)

diff --git a/test/dm/pwm.c b/test/dm/pwm.c
index f1e38c77dd680d507fcc07639fe2a7b61a719b63..6b2dedf6ccd6ba3c18f632a57ed245bd37b43785 100644 (file)
--- a/test/dm/pwm.c
+++ b/test/dm/pwm.c
@@ -18,6 +18,7 @@ static int dm_test_pwm_base(struct unit_test_state *uts)
        struct udevice *dev;
 
        ut_assertok(uclass_get_device(UCLASS_PWM, 0, &dev));
+       ut_assertnonnull(dev);
        ut_assertok(pwm_set_config(dev, 0, 100, 50));
        ut_assertok(pwm_set_enable(dev, 0, true));
        ut_assertok(pwm_set_enable(dev, 1, true));