net/lapb: tuse %*ph to dump buffers

Use %*ph specifier to dump small buffers in hex format instead doing this
byte-by-byte.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/lapb/lapb_in.c b/net/lapb/lapb_in.c
index 5dba899..1824708 100644
--- a/net/lapb/lapb_in.c
+++ b/net/lapb/lapb_in.c
@@ -444,10 +444,9 @@
 		break;
 
 	case LAPB_FRMR:
-		lapb_dbg(1, "(%p) S3 RX FRMR(%d) %02X %02X %02X %02X %02X\n",
+		lapb_dbg(1, "(%p) S3 RX FRMR(%d) %5ph\n",
 			 lapb->dev, frame->pf,
-			 skb->data[0], skb->data[1], skb->data[2],
-			 skb->data[3], skb->data[4]);
+			 skb->data);
 		lapb_establish_data_link(lapb);
 		lapb_dbg(0, "(%p) S3 -> S1\n", lapb->dev);
 		lapb_requeue_frames(lapb);