Fixes problem where caller would think routine succeeded when it failed
leading to divide by zero panic.
(This also reverts an earlier attempt, commit 
42bc0c97 "rtlwifi: Return
correct failure code on error". -- JWL)
Signed-off-by: Simon Graham <simon.graham@virtualcomputer.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
        if (err) {
                RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
                         "tx ring initialization failed\n");
-               return 0;
+               return err;
        }
 
-       return 1;
+       return 0;
 }
 
 static int rtl_pci_start(struct ieee80211_hw *hw)
        }
 
        /* Init PCI sw */
-       err = !rtl_pci_init(hw, pdev);
+       err = rtl_pci_init(hw, pdev);
        if (err) {
                RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "Failed to init PCI\n");
                goto fail3;