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authorGuodong Liu <Guodong.Liu@mediatek.com>2023-01-18 14:20:36 +0800
committerLinus Walleij <linus.walleij@linaro.org>2023-01-26 14:39:35 +0100
commit2e34f82ba214134ecf590fbe0cdbd87401645a8a (patch)
treea9301114ae5b456a2a41a5c08eac3416d8740038 /drivers/pinctrl
parenta298c70a10c604a6b3df5a0aa56597b705ba0f6b (diff)
pinctrl: mediatek: Initialize variable *buf to zero
Coverity spotted that *buf is not initialized to zero in mtk_pctrl_dbg_show. Using uninitialized variable *buf as argument to %s when calling seq_printf. Fix this coverity by initializing *buf as zero. Fixes: 184d8e13f9b1 ("pinctrl: mediatek: Add support for pin configuration dump via debugfs.") Signed-off-by: Guodong Liu <Guodong.Liu@mediatek.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Link: https://lore.kernel.org/r/20230118062036.26258-3-Guodong.Liu@mediatek.com Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl')
-rw-r--r--drivers/pinctrl/mediatek/pinctrl-paris.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/pinctrl/mediatek/pinctrl-paris.c b/drivers/pinctrl/mediatek/pinctrl-paris.c
index bc0bf5aedc54..33d6c3fb7908 100644
--- a/drivers/pinctrl/mediatek/pinctrl-paris.c
+++ b/drivers/pinctrl/mediatek/pinctrl-paris.c
@@ -717,7 +717,7 @@ static void mtk_pctrl_dbg_show(struct pinctrl_dev *pctldev, struct seq_file *s,
unsigned int gpio)
{
struct mtk_pinctrl *hw = pinctrl_dev_get_drvdata(pctldev);
- char buf[PIN_DBG_BUF_SZ];
+ char buf[PIN_DBG_BUF_SZ] = { 0 };
(void)mtk_pctrl_show_one_pin(hw, gpio, buf, PIN_DBG_BUF_SZ);