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 E5C4D274B2A for ; Fri, 13 Feb 2026 16:12:21 +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=1770999142; cv=none; b=XYyg9qAUl0ZQlOae8XogdchlcwXs42avMPEHhcaRSqw0boT8njuTcTiB/aRgui3MFKC1H6YhPrUqAZwQpYgXBRNYTqqlABajqhHwXWcZeoY/6n/wjAbqvjLoUJL+Lj1xyc6xzjvFWOFiNLESG35A82wxon6OvGBTWMJXY7C7gz4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770999142; c=relaxed/simple; bh=VYj8nMv9cNNoGh1uq4ooiQVvF+VnpHCo43o5qHUxJhg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=PPvHkR8uO/qSA6GB250HiQ5Vv22t+cCu18zlKsI/Q7BHt1Ti6PXZcNLe54AhwHWSoCtJCkLjXIXt7TmmXeiZbVJ0PvaXDwJoLSBpU87fpEqS9hPl57UpXsxD3LdGcpG9ItLma4YGZ/gtb1EMpJp2VyVRVUcoDhrvO2vP0JPy5lU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=R0N4MtRw; 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="R0N4MtRw" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E69D5C116C6; Fri, 13 Feb 2026 16:12:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1770999141; bh=VYj8nMv9cNNoGh1uq4ooiQVvF+VnpHCo43o5qHUxJhg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=R0N4MtRw21ESAU24hf04zLUKXd7JVWgml0BfmN7c15CEs52hUHXJ953P3FMyyc9hv sWH16/UCqryhSPOoHhjh4ZCkmNJMZMmMXOTHmk98w+ru0nzH7ILongu22r2RlyUZzj WRXW1KdZzf+k9toX7RV1QZvmKWb5l0y8CgphZTbkBAb2KFri6pfZowCj6758ARlq0w dFyiuZgWBviZxtyzvI06vbWmvV2yMGTWJaQ7qOO2abE3quoI0JpnH+dJHTzNAS3xdT Sbtxm6f5euJdBYibKFu2rnwnlG9MjFihRwL982d9cM3A8fxT56nezX4VhOdkxV9u6w YTXYHQk081Mew== From: Sasha Levin To: stable@vger.kernel.org Cc: Chelsy Ratnawat , Ioana Ciornei , Christophe Leroy , Sasha Levin Subject: [PATCH 6.12.y 1/2] bus: fsl-mc: Replace snprintf and sprintf with sysfs_emit in sysfs show functions Date: Fri, 13 Feb 2026 11:12:18 -0500 Message-ID: <20260213161219.3554825-1-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <2026021346-water-matted-7833@gregkh> References: <2026021346-water-matted-7833@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 dbc8d8f14ce7d..00278081daafd 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