4.14-stable review patch. If anyone has any objections, please let me know.
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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 @@ -943,7 +943,7 @@ 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; }