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 C377111C9B for ; Mon, 23 Oct 2023 11:50:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="fmnmK59o" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3A00EC433C8; Mon, 23 Oct 2023 11:50:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1698061846; bh=73OaiVnxRqNdIQCuFBGXENpwqHQMhubRFixTi/O7Pd0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fmnmK59ouqBrMlpiUWFq3s/gFh1WXgwLOJD0LjiaQLrnuS8HnIx2LTn/GFEJ/zNxM P2tuqwy54TVDeTZfZIHetmoR2IBEVyDXW8yGTb6sOKPLuohoWZ3ukrKxE6w6gsxng9 mYh51DVM8vzJi8vA+Ylrl0iOeZEjEKc/4nqM/YH8= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Damien Le Moal , Hannes Reinecke , Geert Uytterhoeven , "Martin K. Petersen" , Sasha Levin Subject: [PATCH 5.10 157/202] ata: libata-eh: Fix compilation warning in ata_eh_link_report() Date: Mon, 23 Oct 2023 12:57:44 +0200 Message-ID: <20231023104831.100344028@linuxfoundation.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231023104826.569169691@linuxfoundation.org> References: <20231023104826.569169691@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore 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 5.10-stable review patch. If anyone has any objections, please let me know. ------------------ From: Damien Le Moal [ Upstream commit 49728bdc702391902a473b9393f1620eea32acb0 ] The 6 bytes length of the tries_buf string in ata_eh_link_report() is too short and results in a gcc compilation warning with W-!: drivers/ata/libata-eh.c: In function ‘ata_eh_link_report’: drivers/ata/libata-eh.c:2371:59: warning: ‘%d’ directive output may be truncated writing between 1 and 11 bytes into a region of size 4 [-Wformat-truncation=] 2371 | snprintf(tries_buf, sizeof(tries_buf), " t%d", | ^~ drivers/ata/libata-eh.c:2371:56: note: directive argument in the range [-2147483648, 4] 2371 | snprintf(tries_buf, sizeof(tries_buf), " t%d", | ^~~~~~ drivers/ata/libata-eh.c:2371:17: note: ‘snprintf’ output between 4 and 14 bytes into a destination of size 6 2371 | snprintf(tries_buf, sizeof(tries_buf), " t%d", | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 2372 | ap->eh_tries); | ~~~~~~~~~~~~~ Avoid this warning by increasing the string size to 16B. Signed-off-by: Damien Le Moal Reviewed-by: Hannes Reinecke Tested-by: Geert Uytterhoeven Reviewed-by: Martin K. Petersen Signed-off-by: Sasha Levin --- drivers/ata/libata-eh.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c index 5fb3eda0a280b..2308c2be85a18 100644 --- a/drivers/ata/libata-eh.c +++ b/drivers/ata/libata-eh.c @@ -2224,7 +2224,7 @@ static void ata_eh_link_report(struct ata_link *link) struct ata_eh_context *ehc = &link->eh_context; struct ata_queued_cmd *qc; const char *frozen, *desc; - char tries_buf[6] = ""; + char tries_buf[16] = ""; int tag, nr_failed = 0; if (ehc->i.flags & ATA_EHI_QUIET) -- 2.40.1