On 12/03/2021 07:31, Michal Simek wrote:
> Static analyzer tool found that the ret variable is not initialized but
> code expects ret value >=0 when pinconf is skipped in the first pinmux
> loop. The same expectation is for pinmux in a pinconf loop.
> That's why initialize ret to 0 to avoid uninitialized ret value in first
> loop or reusing ret value from first loop in second.
>
> Addresses-Coverity: ("Uninitialized variables")
> Signed-off-by: Michal Simek <[email protected]>
> CC: Colin Ian King <[email protected]>
> CC: Dan Carpenter <[email protected]>
> ---
>
> drivers/pinctrl/core.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c
> index f5c32d2a3c91..136c323d855e 100644
> --- a/drivers/pinctrl/core.c
> +++ b/drivers/pinctrl/core.c
> @@ -1266,6 +1266,7 @@ static int pinctrl_commit_state(struct pinctrl *p,
> struct pinctrl_state *state)
> break;
> case PIN_MAP_TYPE_CONFIGS_PIN:
> case PIN_MAP_TYPE_CONFIGS_GROUP:
> + ret = 0;
> break;
> default:
> ret = -EINVAL;
> @@ -1284,6 +1285,7 @@ static int pinctrl_commit_state(struct pinctrl *p,
> struct pinctrl_state *state)
> list_for_each_entry(setting, &state->settings, node) {
> switch (setting->type) {
> case PIN_MAP_TYPE_MUX_GROUP:
> + ret = 0;
> break;
> case PIN_MAP_TYPE_CONFIGS_PIN:
> case PIN_MAP_TYPE_CONFIGS_GROUP:
>
Thanks Michal,
Reviewed-by: Colin Ian King <[email protected]>
