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 511B7429073; Sat, 28 Feb 2026 17:46:31 +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=1772300791; cv=none; b=GxETTfl9A0doFqdB3H7jBf3fjmitxvR+BVsT1wyKBmQ4i7EWgjdPbY42lUACnisO7H5bLZby4kbdh12x+9CPFne3YsPEvDXHg0+82s0tkkVG46Pk4VCZ/9jv4uT+hrFvy9WViu8nEb+ujAlGSWW1UfUZyWXIYFQFiSqj0V6LbAg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772300791; c=relaxed/simple; bh=QHca3r2l3zROSicefrNcatC2gyxEbz5tmBfbzmPLDEc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ZQgJghU+efnUvBjpF/+9PksllsiOErsGpl1jOAb+Doo8J/qo9KJDUnKGhHbNHxa4D07eHUazL1biu2ZCfLDdvhEvxDOPyUM3ZWJ5BIEdRqbDbswuIS0+j5Ee2TLVs6gCICNrgKstaeZiYkDeoAFPIuB4e1Cq905QrSslaLE/KqA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=s2eAUxK9; 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="s2eAUxK9" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9D244C116D0; Sat, 28 Feb 2026 17:46:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772300791; bh=QHca3r2l3zROSicefrNcatC2gyxEbz5tmBfbzmPLDEc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=s2eAUxK9FU3OZHGTQfVE9/vthqjKSt+PIEXlJhtmQL70NjeTgqAq4PxduOoMvLvHr re2mNXBYHUYdsj2j2VkGPBB3CYlvl1geB1n4+jKjfI5T3C9c7c8ilxFRk52x8Qv9AP ay0M6AUezKhethikDlZPc7Qkn37poHw9WYVbMzzgjVws8LdDiNpwtig3tOVugXJ5v9 rCZeBJ4ANxlDmrXq99rhKHq9H84w6gJgdA1/xFNfUgS0/lIi0EIjNcKcMD3sMf1R4v LDXYBnu0eg0EpTkjreaIzyPyVzz7/wnKJ5MkcYMgGxDrw/kcPA6nVi8aBxIdEt3Egp HwAV9b/Dhe/8g== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Thomas Fourier , Jakub Kicinski , Sasha Levin Subject: [PATCH 6.19 823/844] net: ethernet: ec_bhf: Fix dma_free_coherent() dma handle Date: Sat, 28 Feb 2026 12:32:16 -0500 Message-ID: <20260228173244.1509663-824-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260228173244.1509663-1-sashal@kernel.org> References: <20260228173244.1509663-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org 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