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Commit 2f0d72c9 authored by Subash Abhinov Kasiviswanathan's avatar Subash Abhinov Kasiviswanathan
Browse files

msm_bam_rmnet: Fix packet corruption due to QoS 



Remove the QoS header added at the beginning of the
SKB (If QoS is enabled) in case of a failure to send
a packet to bam_dmux in order to avoid a possible loop
that adds QoS headers on each failure which will cause
a packet corruption.

Change-Id: I5cda4db1f49638b37998d2502ff07b1e82518db1
Acked-by: default avatarDavid Arinzon <darinzon@qti.qualcomm.com>
Signed-off-by: default avatarSubash Abhinov Kasiviswanathan <subashab@codeaurora.org>
parent 29d09c2b

drivers/net/ethernet/msm/msm_rmnet_bam.c

+3 −1
Original line number Diff line number Diff line 
/* Copyright (c) 2011-2013, The Linux Foundation. All rights reserved.

/* Copyright (c) 2011-2014, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and
@@ -341,6 +341,8 @@ static int _rmnet_xmit(struct sk_buff *skb, struct net_device *dev) 
	if (bam_ret != 0 && bam_ret != -EAGAIN && bam_ret != -EFAULT) {

		pr_err("[%s] %s: write returned error %d",

			dev->name, __func__, bam_ret);

		if (RMNET_IS_MODE_QOS(opmode))

			skb_pull(skb, sizeof(struct QMI_QOS_HDR_S));

		return -EPERM;

	}