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 9C5F31DE2CD; Wed, 19 Feb 2025 08:39:50 +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=1739954390; cv=none; b=m0d0F1/egglwMOXLTxcEMuVbo0TjTsjQLqU+YaJgxm3z30hGPLhRX0AXak+yVHvMgQRjSAUjdWD/KatP2Rke68s6IDY8vlT6CoO67pQBA4wxWX552g7ITYn4m11Yx2GCbgukhroo63qWhQThdu4aBBuzGozu09kq12V4ci5OTbQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739954390; c=relaxed/simple; bh=6EMPE+ikn4jw+rFp3VsbqZcQubucIpHpyncOCjBtj9g=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=jhhMjW3KY+wIPm3DK/OynK18MzKoQYnDDUacA/NNjCJob4mB30Idb+biqnaVsG7fCLqxK29QWftxiqtVFMO3ILTyb8dnYuwbzkzn08saV46/AsdR5Fe43Z9/cnAveDzUhN9B2f27qZNrOyAjRT7qTZNl5Jjg7jy85g9AMij7Y9g= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=nmKkqTht; 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="nmKkqTht" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A7986C4CEE6; Wed, 19 Feb 2025 08:39:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1739954390; bh=6EMPE+ikn4jw+rFp3VsbqZcQubucIpHpyncOCjBtj9g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=nmKkqThtymlSkz10pXOwHhTdZvfmOHJs8BDWMKqvBi2nZAkRDGvxocQ7mwNb4k+m8 GpMmnvUk52BQytDumA554RSWuwK4t9dLAFiap4JYihLyGUtOuEs+n5S3+tAlLarpRR UB8xFRAd2ejR0ur2wVCijl2lv0gJhN8hYpZmreno= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Wentao Liang , Petr Machata , Jakub Kicinski Subject: [PATCH 6.13 190/274] mlxsw: Add return value check for mlxsw_sp_port_get_stats_raw() Date: Wed, 19 Feb 2025 09:27:24 +0100 Message-ID: <20250219082617.018414390@linuxfoundation.org> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250219082609.533585153@linuxfoundation.org> References: <20250219082609.533585153@linuxfoundation.org> User-Agent: quilt/0.68 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 6.13-stable review patch. If anyone has any objections, please let me know. ------------------ From: Wentao Liang commit fee5d688940690cc845937459e340e4e02598e90 upstream. Add a check for the return value of mlxsw_sp_port_get_stats_raw() in __mlxsw_sp_port_get_stats(). If mlxsw_sp_port_get_stats_raw() returns an error, exit the function to prevent further processing with potentially invalid data. Fixes: 614d509aa1e7 ("mlxsw: Move ethtool_ops to spectrum_ethtool.c") Cc: stable@vger.kernel.org # 5.9+ Signed-off-by: Wentao Liang Reviewed-by: Petr Machata Link: https://patch.msgid.link/20250212152311.1332-1-vulab@iscas.ac.cn Signed-off-by: Jakub Kicinski Signed-off-by: Greg Kroah-Hartman --- drivers/net/ethernet/mellanox/mlxsw/spectrum_ethtool.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_ethtool.c @@ -768,7 +768,9 @@ static void __mlxsw_sp_port_get_stats(st err = mlxsw_sp_get_hw_stats_by_group(&hw_stats, &len, grp); if (err) return; - mlxsw_sp_port_get_stats_raw(dev, grp, prio, ppcnt_pl); + err = mlxsw_sp_port_get_stats_raw(dev, grp, prio, ppcnt_pl); + if (err) + return; for (i = 0; i < len; i++) { data[data_index + i] = hw_stats[i].getter(ppcnt_pl); if (!hw_stats[i].cells_bytes)