Use kfree_skb() instead of kfree() to free sk_buff.
Signed-off-by: NWei Yongjun <weiyj.lk@gmail.com>
Acked-by: NJohannes Thumshirn <jth@kernel.org>
Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>