From: Allan Stephens <[EMAIL PROTECTED]>
This patch adds a simple test so TIPC doesn't try waking up processes
waiting on a socket if there are none waiting.
Signed-off-by: Allan Stephens <[EMAIL PROTECTED]>
Signed-off-by: Per Liden <[EMAIL PROTECTED]>
---
net/tipc/socket.c | 6 ++++--
1 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index ed900fe..2a6a5a6 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -1208,7 +1208,8 @@ static u32 dispatch(struct tipc_port *tp
atomic_inc(&tipc_queue_size);
skb_queue_tail(&sock->sk->sk_receive_queue, buf);
- wake_up_interruptible(sock->sk->sk_sleep);
+ if (waitqueue_active(sock->sk->sk_sleep))
+ wake_up_interruptible(sock->sk->sk_sleep);
return TIPC_OK;
}
@@ -1223,7 +1224,8 @@ static void wakeupdispatch(struct tipc_p
{
struct tipc_sock *tsock = (struct tipc_sock *)tport->usr_handle;
- wake_up_interruptible(tsock->sk.sk_sleep);
+ if (waitqueue_active(tsock->sk.sk_sleep))
+ wake_up_interruptible(tsock->sk.sk_sleep);
}
/**
--
1.4.1
-
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