diff options
| author | Erik Hugne <erik.hugne@ericsson.com> | 2015-04-23 16:37:39 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-04-23 18:50:34 +0300 |
| commit | 9871b27f6705fc6e0ba633b136369a289b2bfb99 (patch) | |
| tree | 7b2a24877f0ba22180ed214d533102dd3fcb19b5 /net/tipc/socket.c | |
| parent | def81f69bfbd70a3278a7592a4ab8717300cbac1 (diff) | |
| download | linux-9871b27f6705fc6e0ba633b136369a289b2bfb99.tar.xz | |
tipc: fix random link reset problem
In the function tipc_sk_rcv(), the stack variable 'err'
is only initialized to TIPC_ERR_NO_PORT for the first
iteration over the link input queue. If a chain of messages
are received from a link, failure to lookup the socket for
any but the first message will cause the message to bounce back
out on a random link.
We fix this by properly initializing err.
Signed-off-by: Erik Hugne <erik.hugne@ericsson.com>
Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/tipc/socket.c')
| -rw-r--r-- | net/tipc/socket.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/net/tipc/socket.c b/net/tipc/socket.c index ee90d74d7516..9074b5cede38 100644 --- a/net/tipc/socket.c +++ b/net/tipc/socket.c @@ -1764,13 +1764,14 @@ static int tipc_sk_enqueue(struct sk_buff_head *inputq, struct sock *sk, int tipc_sk_rcv(struct net *net, struct sk_buff_head *inputq) { u32 dnode, dport = 0; - int err = -TIPC_ERR_NO_PORT; + int err; struct sk_buff *skb; struct tipc_sock *tsk; struct tipc_net *tn; struct sock *sk; while (skb_queue_len(inputq)) { + err = -TIPC_ERR_NO_PORT; skb = NULL; dport = tipc_skb_peek_port(inputq, dport); tsk = tipc_sk_lookup(net, dport); |