diff mbox series

[5.16,0210/1039] pinctrl: mediatek: uninitialized variable in mtk_pctrl_show_one_pin()

Message ID 20220124184132.386134617@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

Greg Kroah-Hartman Jan. 24, 2022, 6:33 p.m. UTC 
From: Dan Carpenter <dan.carpenter@oracle.com>

[ Upstream commit 67bbbcb49b968a93251de7b23616d5aff5d3a726 ]

The "try_all_type" variable is not set if (hw->soc->pull_type) is false
leading to the following Smatch warning:

    drivers/pinctrl/mediatek/pinctrl-paris.c:599 mtk_pctrl_show_one_pin()
    error: uninitialized symbol 'try_all_type'.

Fixes: fb34a9ae383a ("pinctrl: mediatek: support rsel feature")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20211127140750.GA24002@kili
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/pinctrl/mediatek/pinctrl-paris.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/pinctrl/mediatek/pinctrl-paris.c b/drivers/pinctrl/mediatek/pinctrl-paris.c
index d4e02c5d74a89..4c6f6d967b18a 100644
--- a/drivers/pinctrl/mediatek/pinctrl-paris.c
+++ b/drivers/pinctrl/mediatek/pinctrl-paris.c
@@ -581,7 +581,7 @@  ssize_t mtk_pctrl_show_one_pin(struct mtk_pinctrl *hw,
 {
 	int pinmux, pullup, pullen, len = 0, r1 = -1, r0 = -1, rsel = -1;
 	const struct mtk_pin_desc *desc;
-	u32 try_all_type;
+	u32 try_all_type = 0;
 
 	if (gpio >= hw->soc->npins)
 		return -EINVAL;