net: lan78xx: Fix misplaced tasklet_schedule() call

BugLink: https://bugs.launchpad.net/bugs/1792419

Commit 136f55f6 ("net: lan78xx: fix rx handling before first
packet is send") was not correctly backported to 4.4.  The call to
tasklet_schedule() belongs in lan78xx_link_reset().

Fixes: d1fc12d8 ("net: lan78xx: fix rx handling before first packet is send")
Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
Signed-off-by: Kleber Sacilotto de Souza <kleber.souza@canonical.com>

drivers/net/usb/lan78xx.c

@@ -902,6 +902,8 @@ static int lan78xx_link_reset(struct lan78xx_net *dev)
 
 		ret = lan78xx_update_flowcontrol(dev, ecmd.duplex, ladv, radv);
 		netif_carrier_on(dev->net);
+
+		tasklet_schedule(&dev->bh);
 	}
 
 	return ret;
@@ -1361,8 +1363,6 @@ static void lan78xx_init_mac_address(struct lan78xx_net *dev)
 			netif_dbg(dev, ifup, dev->net,
 				  "MAC address set to random addr");
 		}
-
-		tasklet_schedule(&dev->bh);
 	}
 
 	ret = lan78xx_write_reg(dev, MAF_LO(0), addr_lo);