rxrpc: Check the return value of rxrpc_locate_data()

Check the return value of rxrpc_locate_data() in rxrpc_recvmsg_data().

Signed-off-by: David Howells <dhowells@redhat.com>

diff --git a/net/rxrpc/recvmsg.c b/net/rxrpc/recvmsg.c
index 0d085f5..1edf2cf 100644 (file)
--- a/net/rxrpc/recvmsg.c
+++ b/net/rxrpc/recvmsg.c
@@ -300,10 +300,13 @@ static int rxrpc_recvmsg_data(struct socket *sock, struct rxrpc_call *call,
                if (msg)
                        sock_recv_timestamp(msg, sock->sk, skb);
 
-               if (rx_pkt_offset == 0)
+               if (rx_pkt_offset == 0) {
                        ret = rxrpc_locate_data(call, skb,
                                                &call->rxtx_annotations[ix],
                                                &rx_pkt_offset, &rx_pkt_len);
+                       if (ret < 0)
+                               goto out;
+               }
                _debug("recvmsg %x DATA #%u { %d, %d }",
                       sp->hdr.callNumber, seq, rx_pkt_offset, rx_pkt_len);