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 3DAE4374178; Tue, 17 Feb 2026 20:44:08 +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=1771361048; cv=none; b=suF70rIgNHvkiTkpL4olleV2W+pum7TNY7WgcC/x3iSWlJfLI85yNmGt2ykYhHmkEdmOT+lNHum/dBXuTgjWCt/MqPdTHktXzVaBxhfJ7cyqJEootoD17X4+yIA0w5cF0chHIHdq+/RW/pCg7QUXEK/3KO4UA9eKnhrORHA8LV8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771361048; c=relaxed/simple; bh=xSoJiNUSSxTFj8Pbig/+n+E5v6rjxo9OEzHzCdmJK5I=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=OHN1Qv7Yi/RFI1qBBL4AKwtc8Tufut3XmF9s3KgDiVg9+/tTFyRe2paFdMsSj4PTm/JCzN7rgCikrsHjHaaF+YqyakX+F/yVy75L89Vd7aiN7olr7NRnuJEmE/e95RP7ZUYiPCpF2cdVdU9w5eIoPaJhsA6j6ymb1M6a6u8DaoE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=SRmZidKf; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="SRmZidKf" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A5A03C4CEF7; Tue, 17 Feb 2026 20:44:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1771361048; bh=xSoJiNUSSxTFj8Pbig/+n+E5v6rjxo9OEzHzCdmJK5I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=SRmZidKfZIDPNe6eQ8mZhBeefF67jlRD2mv30apX45HklFx4XGrVR0drBZVUhmg9S PMdyIpSxyu625fWqiSP5+wc6yvuD/NBeYdIrKa9bJgXxHGhyA/mJkBhu3HzEu53WPY 8hRzCxw186yQESffTZyzG/Sri8siDCfQELN+Q4dI= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Chelsy Ratnawat , Ioana Ciornei , Christophe Leroy , Sasha Levin Subject: [PATCH 5.15 25/39] bus: fsl-mc: Replace snprintf and sprintf with sysfs_emit in sysfs show functions Date: Tue, 17 Feb 2026 21:31:34 +0100 Message-ID: <20260217200003.900682766@linuxfoundation.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260217200002.929083107@linuxfoundation.org> References: <20260217200002.929083107@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ 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 Signed-off-by: Greg Kroah-Hartman --- drivers/bus/fsl-mc/fsl-mc-bus.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) --- 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 devi { 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(stru { 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);