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 823C02ED168; Thu, 3 Jul 2025 15:02:43 +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=1751554963; cv=none; b=oY5L0OGBk4ymdAI1G/DtWCkQtrtfKreQjm3SLKNVuMqs0tv8JM+MEQ+GQpHmQqxuiSv5nkyJQQfK+qe2gwGCuJA2zDB6FaeX1LVDuiuTcN7rWt03DyegrztiD4qbCAl9HzhExMQVzIyXLs7dKJ3m08s8RItIshrHtyRzO+ivc4o= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751554963; c=relaxed/simple; bh=gigfUWBxpO3LcZ5nvkDfogiG9nDSY6vIvMio+b15dD4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=lpwB+6tcsMmCwgiMHq2sFUCzhG+gCxeF0nSpe+mAxGyv3Fcr61SV+QVBO1S73lEWFfRcpGPW/Imho06MdugjSRAgX+pZ6cmOvqoQOBnNp0VfMzja9SHvGBbjD+mlEfkvaHkvulQWBqPDatGC8EivfjtG98SRW8dwzEFbUiNg+o4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=cKSYj1bS; 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="cKSYj1bS" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E5E2DC4CEE3; Thu, 3 Jul 2025 15:02:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1751554963; bh=gigfUWBxpO3LcZ5nvkDfogiG9nDSY6vIvMio+b15dD4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=cKSYj1bSrdcWSejPd0OVR2sqmCUrAXQsjPOvcc40ACUTlw+eARYR+WWa6dpDLeHNB PpV2crxbGuzfuop+2wJdC+rzv72Iaumk7tw8aWJMp6VNOMg8V964jv8V6Vy7dbVghK XTtOLPEzEaey9LSFYuvYv0uRsSwlDNKvlc+cYR1g= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Thomas Fourier , Karan Tilak Kumar , John Menghini , "Martin K. Petersen" , Sasha Levin Subject: [PATCH 6.15 134/263] scsi: fnic: Fix missing DMA mapping error in fnic_send_frame() Date: Thu, 3 Jul 2025 16:40:54 +0200 Message-ID: <20250703144009.736106329@linuxfoundation.org> X-Mailer: git-send-email 2.50.0 In-Reply-To: <20250703144004.276210867@linuxfoundation.org> References: <20250703144004.276210867@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: Thomas Fourier [ Upstream commit 85d6fbc47c3087c5d048e6734926b0c36af34fe9 ] dma_map_XXX() can fail and should be tested for errors with dma_mapping_error(). Fixes: a63e78eb2b0f ("scsi: fnic: Add support for fabric based solicited requests and responses") Signed-off-by: Thomas Fourier Link: https://lore.kernel.org/r/20250618065715.14740-2-fourier.thomas@gmail.com Reviewed-by: Karan Tilak Kumar Reviewed-by: John Menghini Signed-off-by: Martin K. Petersen Signed-off-by: Sasha Levin --- drivers/scsi/fnic/fnic_fcs.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/scsi/fnic/fnic_fcs.c b/drivers/scsi/fnic/fnic_fcs.c index 1e8cd64f9a5c5..103ab6f1f7cd1 100644 --- a/drivers/scsi/fnic/fnic_fcs.c +++ b/drivers/scsi/fnic/fnic_fcs.c @@ -636,6 +636,8 @@ static int fnic_send_frame(struct fnic *fnic, void *frame, int frame_len) unsigned long flags; pa = dma_map_single(&fnic->pdev->dev, frame, frame_len, DMA_TO_DEVICE); + if (dma_mapping_error(&fnic->pdev->dev, pa)) + return -ENOMEM; if ((fnic_fc_trace_set_data(fnic->fnic_num, FNIC_FC_SEND | 0x80, (char *) frame, -- 2.39.5