[PATCH] bcm43xx: fix iwmode crash when down

This fixes a crash when

	iwconfig ethX mode foo

is done before

	ifconfig ethX up

or after

	ifconfig ethX down
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/bcm43xx/bcm43xx_wx.c

@@ -182,8 +182,11 @@ static int bcm43xx_wx_set_mode(struct net_device *net_dev,
 		mode = BCM43xx_INITIAL_IWMODE;
 
 	bcm43xx_lock_mmio(bcm, flags);
+	if (bcm->initialized) {
 		if (bcm->ieee->iw_mode != mode)
 			bcm43xx_set_iwmode(bcm, mode);
+	} else
+		bcm->ieee->iw_mode = mode;
 	bcm43xx_unlock_mmio(bcm, flags);
 
 	return 0;