drivers/net: replace BUG() with BUG_ON() if possible

Signed-off-by: Alexander Beregalov <a.beregalov@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/fs_enet/mii-fec.c b/drivers/net/fs_enet/mii-fec.c
index 28077cc..61aaae4 100644
--- a/drivers/net/fs_enet/mii-fec.c
+++ b/drivers/net/fs_enet/mii-fec.c
@@ -54,8 +54,7 @@
 	fec_t __iomem *fecp = fec->fecp;
 	int i, ret = -1;
 
-	if ((in_be32(&fecp->fec_r_cntrl) & FEC_RCNTRL_MII_MODE) == 0)
-		BUG();
+	BUG_ON((in_be32(&fecp->fec_r_cntrl) & FEC_RCNTRL_MII_MODE) == 0);
 
 	/* Add PHY address to register command.  */
 	out_be32(&fecp->fec_mii_data, (phy_id << 23) | mk_mii_read(location));
@@ -79,8 +78,7 @@
 	int i;
 
 	/* this must never happen */
-	if ((in_be32(&fecp->fec_r_cntrl) & FEC_RCNTRL_MII_MODE) == 0)
-		BUG();
+	BUG_ON((in_be32(&fecp->fec_r_cntrl) & FEC_RCNTRL_MII_MODE) == 0);
 
 	/* Add PHY address to register command.  */
 	out_be32(&fecp->fec_mii_data, (phy_id << 23) | mk_mii_write(location, val));