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path: root/drivers/pinctrl/pinctrl-single.c
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Diffstat (limited to 'drivers/pinctrl/pinctrl-single.c')
-rw-r--r--drivers/pinctrl/pinctrl-single.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c
index 99c3745da456..190923757cda 100644
--- a/drivers/pinctrl/pinctrl-single.c
+++ b/drivers/pinctrl/pinctrl-single.c
@@ -372,6 +372,8 @@ static int pcs_set_mux(struct pinctrl_dev *pctldev, unsigned fselector,
if (!pcs->fmask)
return 0;
function = pinmux_generic_get_function(pctldev, fselector);
+ if (!function)
+ return -EINVAL;
func = function->data;
if (!func)
return -EINVAL;