pinctrl: propagate map validation errors

pinctrl_register_map() was returning early if pinmux_validate_map() or
pinconf_validate_map() failed, but was not actually returning the error
code.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c
index 5cd5a5a3a403..913c83e2bf1c 100644
--- a/drivers/pinctrl/core.c
+++ b/drivers/pinctrl/core.c
@@ -911,13 +911,13 @@ int pinctrl_register_map(struct pinctrl_map const *maps, unsigned num_maps,
                 case PIN_MAP_TYPE_MUX_GROUP:
                         ret = pinmux_validate_map(&maps[i], i);
                         if (ret < 0)
-                                return 0;
+                                return ret;
                         break;
                 case PIN_MAP_TYPE_CONFIGS_PIN:
                 case PIN_MAP_TYPE_CONFIGS_GROUP:
                         ret = pinconf_validate_map(&maps[i], i);
                         if (ret < 0)
-                                return 0;
+                                return ret;
                         break;
                 default:
                         pr_err("failed to register map %s (%d): invalid type given\n",