Message ID | 20230118062036.26258-3-Guodong.Liu@mediatek.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | MediaTek pinctrl cleanups and improvements | expand |
Il 18/01/23 07:20, Guodong Liu ha scritto: > 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>
diff --git a/drivers/pinctrl/mediatek/pinctrl-paris.c b/drivers/pinctrl/mediatek/pinctrl-paris.c index e736c1610f3c..d2fbfffda038 100644 --- a/drivers/pinctrl/mediatek/pinctrl-paris.c +++ b/drivers/pinctrl/mediatek/pinctrl-paris.c @@ -714,7 +714,7 @@ 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);
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> --- drivers/pinctrl/mediatek/pinctrl-paris.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)