[NET]: Fix GSO problems in dev_hard_start_xmit()
Fix 2 problems in dev_hard_start_xmit(): 1. nskb->next needs to link back to skb->next if hard_start_xmit() returns non-zero. 2. Since the total number of GSO fragments may exceed MAX_SKB_FRAGS + 1, it needs to stop transmitting if the netif_queue is stopped. Signed-off-by: NMichael Chan <mchan@broadcom.com> Acked-by: NHerbert Xu <herbert@gondor.apana.org.au> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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