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RDS: use locking on the connection hash list

rds_conn_destroy really needs locking while it changes the
connection hash.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
Chris Mason %!s(int64=15) %!d(string=hai) anos
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Modificáronse 1 ficheiros con 3 adicións e 0 borrados
  1. 3 0
      net/rds/connection.c

+ 3 - 0
net/rds/connection.c

@@ -321,7 +321,10 @@ void rds_conn_destroy(struct rds_connection *conn)
 		 "%pI4\n", conn, &conn->c_laddr,
 		 &conn->c_faddr);
 
+	/* Ensure conn will not be scheduled for reconnect */
+	spin_lock_irq(&rds_conn_lock);
 	hlist_del_init(&conn->c_hash_node);
+	spin_unlock_irq(&rds_conn_lock);
 
 	/* wait for the rds thread to shut it down */
 	atomic_set(&conn->c_state, RDS_CONN_ERROR);