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Subject[PATCH 5.0 28/46] tipc: fix RDM/DGRAM connect() regression
Date
5.0-stable review patch.  If anyone has any objections, please let me know.

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

From: Erik Hugne <erik.hugne@gmail.com>

[ Upstream commit 0e63208915a8d7590d0a6218dadb2a6a00ac705a ]

Fix regression bug introduced in
commit 365ad353c256 ("tipc: reduce risk of user starvation during link
congestion")

Only signal -EDESTADDRREQ for RDM/DGRAM if we don't have a cached
sockaddr.

Fixes: 365ad353c256 ("tipc: reduce risk of user starvation during link congestion")
Signed-off-by: Erik Hugne <erik.hugne@gmail.com>
Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
net/tipc/socket.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -1333,7 +1333,7 @@ static int __tipc_sendmsg(struct socket

if (unlikely(!dest)) {
dest = &tsk->peer;
- if (!syn || dest->family != AF_TIPC)
+ if (!syn && dest->family != AF_TIPC)
return -EDESTADDRREQ;
}


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