pinctrl: nomadik: Prevent NULL dereference if of_match_device returns NULL
of_match_device() may return NULL.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/pinctrl/pinctrl-nomadik.c b/drivers/pinctrl/pinctrl-nomadik.c
index 6a95d04..98c088a 100644
--- a/drivers/pinctrl/pinctrl-nomadik.c
+++ b/drivers/pinctrl/pinctrl-nomadik.c
@@ -1864,9 +1864,14 @@
if (platid)
version = platid->driver_data;
- else if (np)
- version = (unsigned int)
- of_match_device(nmk_pinctrl_match, &pdev->dev)->data;
+ else if (np) {
+ const struct of_device_id *match;
+
+ match = of_match_device(nmk_pinctrl_match, &pdev->dev);
+ if (!match)
+ return -ENODEV;
+ version = (unsigned int) match->data;
+ }
/* Poke in other ASIC variants here */
if (version == PINCTRL_NMK_STN8815)