net: Revert "ipv4: fix a deadlock in ip_ra_control"
This reverts commit
1215e51edad1.
Since raw_close() is used on every RAW socket destruction,
the changes made by
1215e51edad1 scale sadly. This clearly
seen on endless unshare(CLONE_NEWNET) test, and cleanup_net()
kwork spends a lot of time waiting for rtnl_lock() introduced
by this commit.
Previous patch moved IP_ROUTER_ALERT out of rtnl_lock(),
so we revert this patch.
Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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