Wei Yongjun 720ef97e3c tipc: fix the error handling in tipc_udp_enable()
commit a5de125dd46c851fc962806135953c1bd0a0f0df upstream.

Fix to return a negative error code in enable_mcast() error handling
case, and release udp socket when necessary.

Fixes: d0f91938bede ("tipc: add ip/udp media type")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-05-10 10:26:28 +02:00
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