tcp/dccp: use rcu locking in inet_diag_find_one_icsk()

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RX packet processing holds rcu_read_lock(), so we can remove
pairs of rcu_read_lock()/rcu_read_unlock() in lookup functions
if inet_diag also holds rcu before calling them.

This is needed anyway as __inet_lookup_listener() and
inet6_lookup_listener() will soon no longer increment
refcount on the found listener.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Eric Dumazet 2016-04-01 08:52:15 -07:00 • committed by David S. Miller

parent ee3cf32a4a

commit 2d331915a0

3 changed files with 5 additions and 10 deletions

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7

net/ipv4/inet_diag.c

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4

net/ipv4/inet_hashtables.c

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4

net/ipv6/inet6_hashtables.c

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