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| author | Eric Dumazet <edumazet@google.com> | 2015-07-08 14:28:30 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-07-09 15:12:20 -0700 |
| commit | dbe7faa4045ea83a37b691b12bb02a8f86c2d2e9 (patch) | |
| tree | 4c7b8918dbe2c4caacd120deffe2e8a8235d9561 /net/ipv4/inet_timewait_sock.c | |
| parent | fc01538f9fb75572c969ca9988176ffc2a8741d6 (diff) | |
| download | linux-dbe7faa4045ea83a37b691b12bb02a8f86c2d2e9.tar.gz linux-dbe7faa4045ea83a37b691b12bb02a8f86c2d2e9.tar.bz2 linux-dbe7faa4045ea83a37b691b12bb02a8f86c2d2e9.zip | |
inet: inet_twsk_deschedule factorization
inet_twsk_deschedule() calls are followed by inet_twsk_put().
Only particular case is in inet_twsk_purge() but there is no point
to defer the inet_twsk_put() after re-enabling BH.
Lets rename inet_twsk_deschedule() to inet_twsk_deschedule_put()
and move the inet_twsk_put() inside.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/inet_timewait_sock.c')
| -rw-r--r-- | net/ipv4/inet_timewait_sock.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/net/ipv4/inet_timewait_sock.c b/net/ipv4/inet_timewait_sock.c index 92cd4d50404e..ae22cc24fbe8 100644 --- a/net/ipv4/inet_timewait_sock.c +++ b/net/ipv4/inet_timewait_sock.c @@ -205,13 +205,17 @@ EXPORT_SYMBOL_GPL(inet_twsk_alloc); * tcp_input.c to verify this. */ -/* This is for handling early-kills of TIME_WAIT sockets. */ -void inet_twsk_deschedule(struct inet_timewait_sock *tw) +/* This is for handling early-kills of TIME_WAIT sockets. + * Warning : consume reference. + * Caller should not access tw anymore. + */ +void inet_twsk_deschedule_put(struct inet_timewait_sock *tw) { if (del_timer_sync(&tw->tw_timer)) inet_twsk_kill(tw); + inet_twsk_put(tw); } -EXPORT_SYMBOL(inet_twsk_deschedule); +EXPORT_SYMBOL(inet_twsk_deschedule_put); void inet_twsk_schedule(struct inet_timewait_sock *tw, const int timeo) { @@ -281,9 +285,8 @@ restart: rcu_read_unlock(); local_bh_disable(); - inet_twsk_deschedule(tw); + inet_twsk_deschedule_put(tw); local_bh_enable(); - inet_twsk_put(tw); goto restart_rcu; } /* If the nulls value we got at the end of this lookup is |