of_match_device could return NULL, and so cause a NULL pointer
dereference later.
Reported-by: coverity (CID 1324139)
Signed-off-by: LABBE Corentin <clabbe.montj...@gmail.com>
---
drivers/pwm/pwm-sun4i.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/pwm/pwm-sun4i.c b/drivers/pwm/pwm-sun4i.c
index cd9dde5..3011fcc 100644
--- a/drivers/pwm/pwm-sun4i.c
+++ b/drivers/pwm/pwm-sun4i.c
@@ -291,6 +291,8 @@ static int sun4i_pwm_probe(struct platform_device *pdev)
const struct of_device_id *match;
match = of_match_device(sun4i_pwm_dt_ids, &pdev->dev);
+ if (!match)
+ return -ENODEV;
pwm = devm_kzalloc(&pdev->dev, sizeof(*pwm), GFP_KERNEL);
if (!pwm)
--
2.4.10
--
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