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 858F3375222; Sat, 28 Feb 2026 17:59:09 +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=1772301549; cv=none; b=AsNkLMHI5dyxzhYgQ9qAGvouijodkoFgqz214ZMUArGUfAvv2NOjNxjELP0QS4UrCeI/xpD81db6Wa2qCLI7u182VR3b2Q3IHri3Ytwec12JWX/sAi58mvWSy3Z+ES17k0v7g65pg3uM30GfhVLtc8peigJRhbSGglQdgURczKY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772301549; c=relaxed/simple; bh=QHca3r2l3zROSicefrNcatC2gyxEbz5tmBfbzmPLDEc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=GEHX/JxFlHH7GJv+DyM1+t4zxFrNnDUKq7KsmwUZohtvJpEzAbKT7eTRmZr0gjD1XK6aXhRYdGDhLbyXcFURCEuVT7uqyuOg3jPt6kVVA+H31aMEkXPeDEowT44B34U827iijI6nn2PLadBiXngbrDIv904CUBO4UIUoNOdAzLw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Z4sGntOB; 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="Z4sGntOB" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CA8EBC19425; Sat, 28 Feb 2026 17:59:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772301549; bh=QHca3r2l3zROSicefrNcatC2gyxEbz5tmBfbzmPLDEc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Z4sGntOBnlzZIAJ9BQ3tk/qlQvgyImc2qWPY6RTcMgyBfAI+XJkxFneAsZt1gDG8p AEr0Olgiy3h9d50sXDZGC0G3FbzyX4gJ8o/0Tvpz5fpHa8ZW2DqZPxx2V95zSwOUAZ yuYPiMhExVRHg6qvpH2PWmjle4DEoYkJ3V8NVTO4CV0MBbW/TAFo213674Is85pFd0 6AuxdEQiagR+Gy7iZJgDE7+DXTE005W2IamERE3clr2FPhfrGLRJrr0W9syAEqtfa4 QvX4Du5CcPs+NSbioLkS3TkbMxRh/PjvqvQwzTPzqPvRE7bgn1J1qwL1dKlF6j1PqM EdyeBGlnf3ZMQ== From: Sasha Levin To: patches@lists.linux.dev Cc: Thomas Fourier , stable@vger.kernel.org, Jakub Kicinski , Sasha Levin Subject: [PATCH 6.18 732/752] net: ethernet: ec_bhf: Fix dma_free_coherent() dma handle Date: Sat, 28 Feb 2026 12:47:23 -0500 Message-ID: <20260228174750.1542406-732-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260228174750.1542406-1-sashal@kernel.org> References: <20260228174750.1542406-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit From: Thomas Fourier [ Upstream commit ffe68c3766997d82e9ccaf1cdbd47eba269c4aa2 ] dma_free_coherent() in error path takes priv->rx_buf.alloc_len as the dma handle. This would lead to improper unmapping of the buffer. Change the dma handle to priv->rx_buf.alloc_phys. Fixes: 6af55ff52b02 ("Driver for Beckhoff CX5020 EtherCAT master module.") Cc: Signed-off-by: Thomas Fourier Link: https://patch.msgid.link/20260213164340.77272-2-fourier.thomas@gmail.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/ethernet/ec_bhf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/ec_bhf.c b/drivers/net/ethernet/ec_bhf.c index 67275aa4f65b2..0c86cbb0313c3 100644 --- a/drivers/net/ethernet/ec_bhf.c +++ b/drivers/net/ethernet/ec_bhf.c @@ -423,7 +423,7 @@ static int ec_bhf_open(struct net_device *net_dev) error_rx_free: dma_free_coherent(dev, priv->rx_buf.alloc_len, priv->rx_buf.alloc, - priv->rx_buf.alloc_len); + priv->rx_buf.alloc_phys); out: return err; } -- 2.51.0