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Subject[126/156] tipc: use limited socket backlog
2.6.33-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Zhu Yi <yi.zhu@intel.com>

[ Upstream commit 53eecb1be5ae499d399d2923933937a9ea1a284f ]

Make tipc adapt to the limited socket backlog change.

Cc: Jon Maloy <jon.maloy@ericsson.com>
Cc: Allan Stephens <allan.stephens@windriver.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Allan Stephens <allan.stephens@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

---
net/tipc/socket.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)

--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -1322,8 +1322,10 @@ static u32 dispatch(struct tipc_port *tp
if (!sock_owned_by_user(sk)) {
res = filter_rcv(sk, buf);
} else {
- sk_add_backlog(sk, buf);
- res = TIPC_OK;
+ if (sk_add_backlog_limited(sk, buf))
+ res = TIPC_ERR_OVERLOAD;
+ else
+ res = TIPC_OK;
}
bh_unlock_sock(sk);




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