mfd: qcom_rpm: Fix a possible NULL dereference

of_match_device could return NULL, and so cause a NULL pointer dereference later. Signed-off-by: LABBE Corentin <clabbe.montjoie@gmail.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>

mfd: qcom_rpm: Fix a possible NULL dereference
of_match_device could return NULL, and so cause a NULL pointer dereference later. Signed-off-by: LABBE Corentin <clabbe.montjoie@gmail.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
LABBE Corentin · Lee Jones
1 parent bdd5dcf513
Showing 1 changed file with 2 additions and 0 deletions Side-by-side Diff
drivers/mfd/qcom_rpm.c
@@ -495,6 +495,8 @@
 	}
  
 	match = of_match_device(qcom_rpm_of_match, &pdev->dev);
+	if (!match)
+		return -ENODEV;
 	rpm->data = match->data;
  
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
...	...	@@ -495,6 +495,8 @@
495	495	}
496	496
497	497	match = of_match_device(qcom_rpm_of_match, &pdev->dev);
	498	+ if (!match)
	499	+ return -ENODEV;
498	500	rpm->data = match->data;
499	501
500	502	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);