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 6737C54763 for ; Fri, 13 Feb 2026 16:22:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770999752; cv=none; b=qJcRlJ1nPUEY/fm53ezr+RlRWKGKFUMbcX6jhe+tvIOhyE2aftRNA7H7mw+LKsq8eVkq9xEzOCE55XnS9csJYq7U6lLmjrDDm7uAWjc2KFYvCe22eF9o6x+GkFHke7GhYxXgFp49hIyb9AN0dfkCjKFIQyr20DF2HX9q4mlez68= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770999752; c=relaxed/simple; bh=2welPbyHIJNOTIdApkx0f0zgf3bbSNJeNwrct5IEDNc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Pienvbzm3pdLtAAReGcr69WxgKcoDGa2oSK2CgvSZIxU4lt0h9afQ9Ksy+o8Ad46Owe31h7tyrVJRX/mgaLXFIOfYdtS7kwgxZXJlodkI3idXzvAq7gGnvjCHWjMvQrJFUp8KmmIiiPEQA1nGCB0Rea4ocuJ2Pz69gCa/0XxkjA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=e2UHx5J9; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="e2UHx5J9" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2503CC19424; Fri, 13 Feb 2026 16:22:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1770999752; bh=2welPbyHIJNOTIdApkx0f0zgf3bbSNJeNwrct5IEDNc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=e2UHx5J9fKcuegXVCVH6MkQAptzTmcOrSUI4I5rileTUWB7OzpN1IF+9Y89dAAuqw 6Nm5OS8jCK01CpFHnIm9yuuGHW3zBN8Ls0YRYxFjAxHmAoPgKVk6AO0lPDXosiYUl4 WzuqoEMa2UP8RYZXBhqQO/Vz9njXWi5e76vsuf6+wehzV2eY/nwl58ZAIOSbNVcqMU b3aUedq8WUMpsBOUWOgW2M0CALuT6WCjs4y1amZJT/96uApHgI6Em+y2it/iu0Nr+q 5ebj41WAbl1/X8Z05KfXiTUjCH0OaYv3FssoP4V//LOkT4TWIy27mC+0tAp/Dds17R lMCfiBMZTkN3w== From: Sasha Levin To: stable@vger.kernel.org Cc: Chelsy Ratnawat , Ioana Ciornei , Christophe Leroy , Sasha Levin Subject: [PATCH 6.6.y 1/2] bus: fsl-mc: Replace snprintf and sprintf with sysfs_emit in sysfs show functions Date: Fri, 13 Feb 2026 11:22:28 -0500 Message-ID: <20260213162229.3559221-1-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <2026021346-runner-symphony-9463@gregkh> References: <2026021346-runner-symphony-9463@gregkh> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Chelsy Ratnawat [ Upstream commit a50522c805a6c575c80f41b04706e084d814e116 ] Use sysfs_emit() instead of snprintf()/sprintf() when writing to sysfs buffers, as recommended by the kernel documentation. Signed-off-by: Chelsy Ratnawat Acked-by: Ioana Ciornei Link: https://lore.kernel.org/r/20250822124339.1739290-1-chelsyratnawat2001@gmail.com Signed-off-by: Christophe Leroy Stable-dep-of: 148891e95014 ("bus: fsl-mc: fix use-after-free in driver_override_show()") Signed-off-by: Sasha Levin --- drivers/bus/fsl-mc/fsl-mc-bus.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/bus/fsl-mc/fsl-mc-bus.c b/drivers/bus/fsl-mc/fsl-mc-bus.c index 03642df2df0bb..3db939c619013 100644 --- a/drivers/bus/fsl-mc/fsl-mc-bus.c +++ b/drivers/bus/fsl-mc/fsl-mc-bus.c @@ -175,8 +175,8 @@ static ssize_t modalias_show(struct device *dev, struct device_attribute *attr, { struct fsl_mc_device *mc_dev = to_fsl_mc_device(dev); - return sprintf(buf, "fsl-mc:v%08Xd%s\n", mc_dev->obj_desc.vendor, - mc_dev->obj_desc.type); + return sysfs_emit(buf, "fsl-mc:v%08Xd%s\n", mc_dev->obj_desc.vendor, + mc_dev->obj_desc.type); } static DEVICE_ATTR_RO(modalias); @@ -202,7 +202,7 @@ static ssize_t driver_override_show(struct device *dev, { struct fsl_mc_device *mc_dev = to_fsl_mc_device(dev); - return snprintf(buf, PAGE_SIZE, "%s\n", mc_dev->driver_override); + return sysfs_emit(buf, "%s\n", mc_dev->driver_override); } static DEVICE_ATTR_RW(driver_override); -- 2.51.0