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 31D1F3EBF2C for ; Sat, 14 Feb 2026 01:02:39 +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=1771030959; cv=none; b=ENjzC1kLlFlsrEA8RMAd1tiOE7QQJsbcJEZ7ZDUG6JHIL89ggJI+URYUufHB8amOZdneEvHF6SQ9KYrnRa5pj6zvbZK1nTPNWaoINlqj8dM3kBvDXExsWB3VY6uBqZsu9G8QHcxi6umM4rgdpv5rKA144ttvQDJdjNXYpnLg/G0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771030959; c=relaxed/simple; bh=xh4j1Nesi8SJmJqf1zgiOMb1srofpAWJexosKsUWgIw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=EUrFG/2OcF0ARUzBjG36gHQ6spnVFm74zh5KU2k5Lm2vYrdfk6v6lW4F4qyUDv4uZ4LALi18N4ERw7YvzTGQax3B6RYWP/NWV6yiooEoGf7XOuvpIMNMwRfi3OvsJFybbN2tsS7tM79vgtJbtfn29vz2WeRRFMqWmYr8xdEvTN8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=hzCKMO1A; 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="hzCKMO1A" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 52CC6C116C6; Sat, 14 Feb 2026 01:02:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1771030958; bh=xh4j1Nesi8SJmJqf1zgiOMb1srofpAWJexosKsUWgIw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hzCKMO1A98nVBnDYilNJN7AQMqGlLn7tW2q/nJKXb0SwZPHkv0JA5efbs0n6BFzpa nFcXhTAhf5wj5kN3jftW69si8lyKZ67e6AM48ddhB5IK+szBMpO+7oSxJDp6GcnlsA 9KfZDe4bD+LecVCoUA6iaNU09E6dDIQvtf+fsHIh2lLtObYs9xIpDwHQXm0WWaYaZ8 xgtJ4WKy5uZgDBGZLRuM1A56TD7mo+6aDkst7aQOWN+A13xS+URDBzC2tTwQoaTiZ8 0OJgQGfn7Jlb/Fnewqbk7HCEX8FcuC3qwgllHdKBjfh6nq0gDs5FWHrYHSFQD/gDxZ TP8neXueE/fMQ== From: Sasha Levin To: stable@vger.kernel.org Cc: Chelsy Ratnawat , Ioana Ciornei , Christophe Leroy , Sasha Levin Subject: [PATCH 5.10.y 1/2] bus: fsl-mc: Replace snprintf and sprintf with sysfs_emit in sysfs show functions Date: Fri, 13 Feb 2026 20:02:35 -0500 Message-ID: <20260214010236.3700986-1-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <2026021348-eldest-semantic-7287@gregkh> References: <2026021348-eldest-semantic-7287@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 4f13e7d8101bd..7b0c58f31acf2 100644 --- a/drivers/bus/fsl-mc/fsl-mc-bus.c +++ b/drivers/bus/fsl-mc/fsl-mc-bus.c @@ -151,8 +151,8 @@ 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); @@ -195,7 +195,7 @@ 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