msm: ipa3: Add proper check for incoming skb



There is a chance that incoming skb can is NULL in TX direction.
Add proper check to avoid any NULL ptr access issue.

Change-Id: I8bd4524e20ddefb4bd30a3ca4a09b65370b9b4ae
Signed-off-by: Praveen Kurapati <pkurapat@codeaurora.org>

parent 3cb33329

drivers/platform/msm/ipa/ipa_v3/rmnet_ipa.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -1204,6 +1204,11 @@ static netdev_tx_t ipa3_wwan_xmit(struct sk_buff skb, struct net_device dev)
		return NETDEV_TX_OK;
		}

		if (unlikely(skb == NULL)) {
		IPAWANERR_RL("unexpected NULL data\n");
		return NETDEV_TX_BUSY;
		}

		if (skb->protocol != htons(ETH_P_MAP)) {
		IPAWANDBG_LOW
		("SW filtering out none QMAP packet received from %s",