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 6E9F5BA49 for ; Tue, 7 Mar 2023 18:54:40 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C7B92C433D2; Tue, 7 Mar 2023 18:54:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1678215280; bh=5zqZEVbpLx4cF9Q7NK51hZfzj2wdGsv7pK5ZL7YBc9A=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=UWUzNfijqYbPZ0wd9VJmAMrcowCUjpCC7yXmGXMEUGPK8uDtToF7AYqgnUumqm+9y a+8XTcP+c0XRZ96Z4fkO5VCXh5/BsGqKlxWIVq/ZCoJu82SL/THJZjOY8ZQ5YCL0yn arIe+3yt67otDTLnIyP2dk8xy+S8lt2KB4oMaWm8= 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 5.15 209/567] pinctrl: mediatek: Initialize variable *buf to zero Date: Tue, 7 Mar 2023 17:59:05 +0100 Message-Id: <20230307165914.948890827@linuxfoundation.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230307165905.838066027@linuxfoundation.org> References: <20230307165905.838066027@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 d151612f4a18c..0fa1c36148c23 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