The vif variable was being declared inside one of the internal blocks
of wl1271_event_process.  This is not necessary, since this variable
is already declared in the function context.
Signed-off-by: Luciano Coelho <coelho@ti.com>
 
                /* TODO: configure only the relevant vif */
                wl12xx_for_each_wlvif_sta(wl, wlvif) {
-                       struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif);
                        bool success;
 
                        if (!test_and_clear_bit(WLVIF_FLAG_CS_PROGRESS,
                                continue;
 
                        success = mbox->channel_switch_status ? false : true;
+                       vif = wl12xx_wlvif_to_vif(wlvif);
+
                        ieee80211_chswitch_done(vif, success);
                }
        }