diff options
| author | Allan Stephens <allan.stephens@windriver.com> | 2011-04-07 14:20:45 -0400 |
|---|---|---|
| committer | Paul Gortmaker <paul.gortmaker@windriver.com> | 2011-09-01 11:16:36 -0400 |
| commit | 693d03ae3c2bafd7caca1cf4ade9f23f107e33c1 (patch) | |
| tree | 2dc990b3f30e566ae10d31029dc8182d6f20c4dd | |
| parent | 5d3c488dfe5f797d9f3cee2e8928aad8a2f6e44f (diff) | |
tipc: Remove deferred queue head caching during broadcast message reception
Modifies TIPC's incoming broadcast packet handler so that it no longer
pre-reads information about the deferred packet queue, since the cached
value is unreliable once the associated node lock has been released.
Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
| -rw-r--r-- | net/tipc/bcast.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/tipc/bcast.c b/net/tipc/bcast.c index bc01ca6891e4..8d298526a5c1 100644 --- a/net/tipc/bcast.c +++ b/net/tipc/bcast.c @@ -467,7 +467,6 @@ void tipc_bclink_recv_pkt(struct sk_buff *buf) /* Handle in-sequence broadcast message */ receive: - deferred = node->bclink.deferred_head; next_in = mod(node->bclink.last_in + 1); seqno = msg_seqno(msg); @@ -500,6 +499,7 @@ receive: } buf = NULL; tipc_node_lock(node); + deferred = node->bclink.deferred_head; if (deferred && (buf_seqno(deferred) == mod(next_in + 1))) { buf = deferred; msg = buf_msg(buf); |