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(parent: ee3cf32) | patch
tcp/dccp: use rcu locking in inet_diag_find_one_icsk()
authorEric Dumazet <edumazet@google.com>
Fri, 1 Apr 2016 15:52:15 +0000 (08:52 -0700)
committerDavid S. Miller <davem@davemloft.net>
Tue, 5 Apr 2016 02:11:19 +0000 (22:11 -0400)
commit2d331915a04144dad738e725769d8fac06ef6155
tree5bf80c73627b0783603e8a46573db2cf50041280tree | snapshot
parentee3cf32a4a5e6cf5ccc0f0de9865fda3ebc46436commit | diff
tcp/dccp: use rcu locking in inet_diag_find_one_icsk()

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>
net/ipv4/inet_diag.c diff | blob | history
net/ipv4/inet_hashtables.c diff | blob | history
net/ipv6/inet6_hashtables.c diff | blob | history
Domain: System / Kernel;