Duan Jiong 86fe8f8920 ipv6: remove useless spin_lock/spin_unlock ...

xchg is atomic, so there is no necessary to use spin_lock/spin_unlock
to protect it. At last, remove the redundant
opt = xchg(&inet6_sk(sk)->opt, opt); statement.

Signed-off-by: Duan Jiong <duanj.fnst@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2014-12-09 13:18:09 -05:00

29 KiB

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