[PATCH] b43legacy: Fix potential return of uninitialized variable

Using the Coverity checker, Adrian Bunk found that routine b43legacy_start
could return an unitialized variable. This patch fixes the problem.
Signed-off-by: NLarry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

drivers/net/wireless/b43legacy/main.c

@@ -3306,7 +3306,7 @@ static int b43legacy_start(struct ieee80211_hw *hw)
 	struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw);
 	struct b43legacy_wldev *dev = wl->current_dev;
 	int did_init = 0;
-	int err;
+	int err = 0;
 
 	mutex_lock(&wl->mutex);