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authorSascha Hauer <s.hauer@pengutronix.de>2013-08-09 14:20:51 +0200
committerLinus Walleij <linus.walleij@linaro.org>2013-08-15 22:13:11 +0200
commit1bf1fea95ff9161fafccbcac76b37bbadc924bd0 (patch)
tree91c9abed69eb312d98495a8cc121249e80007d35 /drivers/pinctrl/pinctrl-imx.c
parent01312513c4a48bdd4dbbea07716bd2dcd5d11c87 (diff)
pinctrl: imx: Catch no fsl,pins property
Instead of crashing the kernel print an error message when the fsl,pins property is missing. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Acked-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl/pinctrl-imx.c')
-rw-r--r--drivers/pinctrl/pinctrl-imx.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/pinctrl/pinctrl-imx.c b/drivers/pinctrl/pinctrl-imx.c
index f1be17f6fcf1..deeb740fa94e 100644
--- a/drivers/pinctrl/pinctrl-imx.c
+++ b/drivers/pinctrl/pinctrl-imx.c
@@ -456,6 +456,11 @@ static int imx_pinctrl_parse_groups(struct device_node *np,
* do sanity check and calculate pins number
*/
list = of_get_property(np, "fsl,pins", &size);
+ if (!list) {
+ dev_err(info->dev, "no fsl,pins property in node %s\n", np->full_name);
+ return -EINVAL;
+ }
+
/* we do not check return since it's safe node passed down */
if (!size || size % pin_size) {
dev_err(info->dev, "Invalid fsl,pins property in node %s\n", np->full_name);