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 0ADB9273D95; Wed, 30 Jul 2025 09:51:10 +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=1753869070; cv=none; b=Uys8Gow9ySNTJu56zmC3cQkoXOm68ruED0wpSP5yqcS1ZPeGj0JR4esw225UFfBnZOMShzm5K+I0hm9d9hBtNjyvfl7L1SEy5aRqnrJTlhbhKY4WCIyKtQiQgXEOrqhgXW5H2jaMpOA29vobCWwQgiaz7MXDzVGtIcmpRqBrcao= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753869070; c=relaxed/simple; bh=93C0myd6nPYgm3yUJLTvahQUEBbMjECZmTSgj4fTX5M=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=t6+2TCQCGcW3xq1YLfD1lqed+9jU2Sl/fBnlUe596M9HMO1ji3hpqyiafgdXJMcXBfLdLrq2DnBe5iFQK3USWSk7viZaDM/U129b9A6/lfcSM8xFXAxfSwWHYt07SSb7MZSUaVCA3icr8cvWnt+CIaD2erJotIopcyXV97mQKr4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=FzmGC5o/; 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="FzmGC5o/" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5989FC4CEF8; Wed, 30 Jul 2025 09:51:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1753869069; bh=93C0myd6nPYgm3yUJLTvahQUEBbMjECZmTSgj4fTX5M=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=FzmGC5o/A/qvya0+oyaNZM7j4HX2jSatJynp/Tz+4ZY8XIfXWwQwdMb+NTnvpPC+t KMsOhtblTNyWJeFv1qaxD3FAme9E+gVNMj6V+JUlnTVAUo/OZQVkuIGbC7x87YFZZH nCROEL/yKfhBTKEa0HArqC2c2z/+3NjSM//WRxqU= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Alex Tereshkin , Chiara Meiohas , Moshe Shemesh , Vlad Dumitrescu , Tariq Toukan , Simon Horman , Jakub Kicinski , Sasha Levin Subject: [PATCH 6.15 28/92] net/mlx5: Fix memory leak in cmd_exec() Date: Wed, 30 Jul 2025 11:35:36 +0200 Message-ID: <20250730093231.846004610@linuxfoundation.org> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250730093230.629234025@linuxfoundation.org> References: <20250730093230.629234025@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Chiara Meiohas [ Upstream commit 3afa3ae3db52e3c216d77bd5907a5a86833806cc ] If cmd_exec() is called with callback and mlx5_cmd_invoke() returns an error, resources allocated in cmd_exec() will not be freed. Fix the code to release the resources if mlx5_cmd_invoke() returns an error. Fixes: f086470122d5 ("net/mlx5: cmdif, Return value improvements") Reported-by: Alex Tereshkin Signed-off-by: Chiara Meiohas Reviewed-by: Moshe Shemesh Signed-off-by: Vlad Dumitrescu Signed-off-by: Tariq Toukan Reviewed-by: Simon Horman Link: https://patch.msgid.link/1752753970-261832-2-git-send-email-tariqt@nvidia.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/ethernet/mellanox/mlx5/core/cmd.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c index e53dbdc0a7a17..34256ce5473ba 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c @@ -1948,8 +1948,8 @@ static int cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out, err = mlx5_cmd_invoke(dev, inb, outb, out, out_size, callback, context, pages_queue, token, force_polling); - if (callback) - return err; + if (callback && !err) + return 0; if (err > 0) /* Failed in FW, command didn't execute */ err = deliv_status_to_err(err); -- 2.39.5