From: Guodong Liu Guodong.Liu@mediatek.com
[ Upstream commit 2e34f82ba214134ecf590fbe0cdbd87401645a8a ]
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 Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/pinctrl/mediatek/pinctrl-paris.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/pinctrl/mediatek/pinctrl-paris.c b/drivers/pinctrl/mediatek/pinctrl-paris.c index 2a9d2801388d7..e486d66e220b0 100644 --- a/drivers/pinctrl/mediatek/pinctrl-paris.c +++ b/drivers/pinctrl/mediatek/pinctrl-paris.c @@ -637,7 +637,7 @@ 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);