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 D0F2519D07E for ; Sat, 14 Feb 2026 00:54:29 +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=1771030469; cv=none; b=ADJQAlbOZNLED7pS+d2Tsx/4qKcHW/u9svoVkqcNUulDq+NX7djmco0rXzCnNEcASD2DIE3/PodPrF5DI1YClvEB/RUQrXszuzHjQNFeXhb1lkSO3PyoqFLyu2kAOC5UtY0tmTVfGKXzFdNaAwDpfSCwnR736kfGvtPdmAJFLxw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771030469; c=relaxed/simple; bh=ox3YetFwoU3t7Y7xHem+qTrcrSs9u4DTJq8Q1LVom+I=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=styVUAqKseH+ZhXTl0/0jzhYvePWhER1AJFIMR+FXnjB8q0VPF/IuGxNhGtaU6QZjKmjZd7zbW5YmShlZ3YemwhSUzA9ZrJ/tUKgdv1C2SYn1XV/Pc2hbhTMH0EE4t0Hdu/aFMJzM3Sdt5t8lu5jYwp1zZKCv8swCdvjWTr5PC4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=VJeNymjF; 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="VJeNymjF" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D7B0FC116C6; Sat, 14 Feb 2026 00:54:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1771030469; bh=ox3YetFwoU3t7Y7xHem+qTrcrSs9u4DTJq8Q1LVom+I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VJeNymjF65kPtgX9CS01aeaJLRaVmKN8ffMApmdoxIauS0scB69kRkR5apShbsohi sayBKVbIQXuWt/2tJcGZvrnQWbpBy/Ql7egAncPB7PV/UfalbAdj5xbQhLzy2j0Dxv LrHwT8isDGoj9szGWGXcUutWhuM0Y0G+X+Vbaj7N9P0i5eQM4EzdTKUJuB+iseG1md Md1YE/kbiayvPHkmNk7vazgehTOHmDWEmvXSODXj94y4OWRIU7CFSIoYprzXV9T07d aqnhvLPD5PVIfQriZ/ka5ZUw3GQXIl1yM+UhCvnwV7YXAqTq9IEQKAD9BRGj7VlnOk lYuPBkvDhDCaw== From: Sasha Levin To: stable@vger.kernel.org Cc: Chelsy Ratnawat , Ioana Ciornei , Christophe Leroy , Sasha Levin Subject: [PATCH 5.15.y 1/2] bus: fsl-mc: Replace snprintf and sprintf with sysfs_emit in sysfs show functions Date: Fri, 13 Feb 2026 19:54:26 -0500 Message-ID: <20260214005427.3653008-1-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <2026021347-applicant-whooping-9898@gregkh> References: <2026021347-applicant-whooping-9898@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 40d5249ec55c9..8e1000a01231b 100644 --- a/drivers/bus/fsl-mc/fsl-mc-bus.c +++ b/drivers/bus/fsl-mc/fsl-mc-bus.c @@ -156,8 +156,8 @@ 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); @@ -200,7 +200,7 @@ 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