From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 124908820 for ; Fri, 10 Mar 2023 14:54:22 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 490A8C433D2; Fri, 10 Mar 2023 14:54:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1678460062; bh=at4PXOdcisnwj/uEorMqF+vgmdEVfA/UeSaYgA5MTc4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Xj3AwQ+XDBVIZ2iWhbFEw/wDeYAPyMbVSaml61YLozknpfgkdvpx6OFehJEt9zoXa XXXlhu6mV/wNcMJ6oX3PzcAk31dyZfhPH9kNocjuetnSfhBq8hftVMXtaFZgkIHlR+ SoEoDPZw1/zWXiEmLynjGKCeEJyq1PcYLF/b7i2Q= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Guodong Liu , AngeloGioacchino Del Regno , Linus Walleij , Sasha Levin Subject: [PATCH 5.10 183/529] pinctrl: mediatek: Initialize variable *buf to zero Date: Fri, 10 Mar 2023 14:35:26 +0100 Message-Id: <20230310133813.442858498@linuxfoundation.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230310133804.978589368@linuxfoundation.org> References: <20230310133804.978589368@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Guodong Liu [ 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 Reviewed-by: AngeloGioacchino Del Regno Link: https://lore.kernel.org/r/20230118062036.26258-3-Guodong.Liu@mediatek.com Signed-off-by: Linus Walleij Signed-off-by: Sasha Levin --- 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); -- 2.39.2