af_packet: Quiet sparse noise about using plain integer as NULL pointer

Quiets the sparse warning:
warning: Using plain integer as NULL pointer

Signed-off-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index ceaca7c..f016f66 100644 (file)
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -1079,7 +1079,7 @@ static void *packet_current_rx_frame(struct packet_sock *po,
        default:
                WARN(1, "TPACKET version not supported\n");
                BUG();
-               return 0;
+               return NULL;
        }
 }