tipc: fix bug on error path in tipc_topsrv_kern_subscr()
In commit cc1ea9ffadf7 ("tipc: eliminate struct tipc_subscriber") we
re-introduced an old bug on the error path in the function
tipc_topsrv_kern_subscr(). We now re-introduce the correction too.
Reported-by: syzbot+f62e0f2a0ef578703946@syzkaller.appspotmail.com
Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/tipc/topsrv.c b/net/tipc/topsrv.c
index 02013e0..25925be 100644
--- a/net/tipc/topsrv.c
+++ b/net/tipc/topsrv.c
@@ -580,9 +580,10 @@ bool tipc_topsrv_kern_subscr(struct net *net, u32 port, u32 type, u32 lower,
*conid = con->conid;
con->sock = NULL;
rc = tipc_conn_rcv_sub(tipc_topsrv(net), con, &sub);
- if (rc < 0)
- tipc_conn_close(con);
- return !rc;
+ if (rc >= 0)
+ return true;
+ conn_put(con);
+ return false;
}
void tipc_topsrv_kern_unsubscr(struct net *net, int conid)