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 E8132309DB1; Mon, 13 Oct 2025 15:41:17 +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=1760370078; cv=none; b=khbcPGzIT/QH/rOo1bnIo3FNzwgOegdrNk2QC5cRtYbN+iGyDJ64DpOj/KOeAny12NxJ7wWDLLW0jaNF3LTsFqA+rxcJ/wUMwLvtXAoISoT/WLzsRsUyLMd43Od+uRovim+qQihF5QV/EpfVu8dIh4wl7iJuTM3QAk61X2qA71A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760370078; c=relaxed/simple; bh=iqjYI+V0nsjvj4/MFFw7sBN2KiopyDaXZeA5L65NiFc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=AtoBf4upk3IPPr7Tah9EoptdDvR82XUiIxRKfMQID9HiQcbXULKkmJwbBZdjEdUSSwYlCBdwekwd+IOKctytM+iE6yc70ivLT0C6M9YfMUKi6Z5PTHpV4x996b9wmGyOEpBiSWSHjfeP39ZjaQyXDg6htti+QznSD/dMBv0Ru50= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=LnW6/Txq; 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="LnW6/Txq" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6D8C1C4CEE7; Mon, 13 Oct 2025 15:41:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1760370077; bh=iqjYI+V0nsjvj4/MFFw7sBN2KiopyDaXZeA5L65NiFc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=LnW6/TxqTv92FSNUCEDEepyp9UgPRZBMnDqECqflKfJtPRaujmHTo/s9UYy3u5nLQ ZQ2AzYNkCpUyo8Uskgr/lli0nB7ovMd6jLpje0ua3Ux4yhZJC2Btp2Un/X8SftO5bU L/gaLbAG8uekCvHEj3gXB7wvAyAAzdJGfIpAHg08= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Alok Tiwari , Simon Horman , Aleksandr Loktionov , Jacob Keller , Madhu Chittim , Jakub Kicinski , Sasha Levin Subject: [PATCH 6.17 470/563] idpf: fix mismatched free function for dma_alloc_coherent Date: Mon, 13 Oct 2025 16:45:31 +0200 Message-ID: <20251013144428.316210435@linuxfoundation.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20251013144411.274874080@linuxfoundation.org> References: <20251013144411.274874080@linuxfoundation.org> User-Agent: quilt/0.69 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 6.17-stable review patch. If anyone has any objections, please let me know. ------------------ From: Alok Tiwari [ Upstream commit b9bd25f47eb79c9eb275e3d9ac3983dc88577dd4 ] The mailbox receive path allocates coherent DMA memory with dma_alloc_coherent(), but frees it with dmam_free_coherent(). This is incorrect since dmam_free_coherent() is only valid for buffers allocated with dmam_alloc_coherent(). Fix the mismatch by using dma_free_coherent() instead of dmam_free_coherent Fixes: e54232da1238 ("idpf: refactor idpf_recv_mb_msg") Signed-off-by: Alok Tiwari Reviewed-by: Simon Horman Reviewed-by: Aleksandr Loktionov Reviewed-by: Jacob Keller Reviewed-by: Madhu Chittim Link: https://patch.msgid.link/20250925180212.415093-1-alok.a.tiwari@oracle.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/ethernet/intel/idpf/idpf_virtchnl.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/intel/idpf/idpf_virtchnl.c b/drivers/net/ethernet/intel/idpf/idpf_virtchnl.c index 6330d4a0ae075..c1f34381333d1 100644 --- a/drivers/net/ethernet/intel/idpf/idpf_virtchnl.c +++ b/drivers/net/ethernet/intel/idpf/idpf_virtchnl.c @@ -702,9 +702,9 @@ int idpf_recv_mb_msg(struct idpf_adapter *adapter) /* If post failed clear the only buffer we supplied */ if (post_err) { if (dma_mem) - dmam_free_coherent(&adapter->pdev->dev, - dma_mem->size, dma_mem->va, - dma_mem->pa); + dma_free_coherent(&adapter->pdev->dev, + dma_mem->size, dma_mem->va, + dma_mem->pa); break; } -- 2.51.0