From: Dan Carpenter Date: Sat, 27 Nov 2021 14:08:36 +0000 (+0300) Subject: pinctrl: mediatek: add a check for error in mtk_pinconf_bias_get_rsel() X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=9f9d17c228c89e38ed612500126daf626270be9a;p=linux.git pinctrl: mediatek: add a check for error in mtk_pinconf_bias_get_rsel() All the other mtk_hw_get_value() calls have a check for "if (err)" so we can add one here as well. This silences a Smatch warning: drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c:819 mtk_pinconf_bias_get_rsel() error: uninitialized symbol 'pd'. Fixes: fb34a9ae383a ("pinctrl: mediatek: support rsel feature") Signed-off-by: Dan Carpenter Link: https://lore.kernel.org/r/20211127140836.GB24002@kili Signed-off-by: Linus Walleij --- diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c index 91553b2fc1605..bd5d7d63e877b 100644 --- a/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c +++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c @@ -811,6 +811,8 @@ static int mtk_pinconf_bias_get_rsel(struct mtk_pinctrl *hw, goto out; err = mtk_hw_get_value(hw, desc, PINCTRL_PIN_REG_PD, &pd); + if (err) + goto out; if (pu == 0 && pd == 0) { *pullup = 0;