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b85ab56c3f
llc_conn_send_pdu() pushes the skb into write queue and calls llc_conn_send_pdus() to flush them out. However, the status of dev_queue_xmit() is not returned to caller, in this case, llc_conn_state_process(). llc_conn_state_process() needs hold the skb no matter success or failure, because it still uses it after that, therefore we should hold skb before dev_queue_xmit() when that skb is the one being processed by llc_conn_state_process(). For other callers, they can just pass NULL and ignore the return value as they are. Reported-by: Noam Rathaus <noamr@beyondsecurity.com> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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