wl1271: Release interrupt *after* releasing the driver context

The current order causes driver releasing to fail in various ways, and causes
possible instability.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
diff --git a/drivers/net/wireless/wl12xx/wl1271_sdio.c b/drivers/net/wireless/wl12xx/wl1271_sdio.c
index f2f0466..4c250d7 100644
--- a/drivers/net/wireless/wl12xx/wl1271_sdio.c
+++ b/drivers/net/wireless/wl12xx/wl1271_sdio.c
@@ -274,9 +274,8 @@
 {
 	struct wl1271 *wl = sdio_get_drvdata(func);
 
-	free_irq(wl->irq, wl);
-
 	wl1271_unregister_hw(wl);
+	free_irq(wl->irq, wl);
 	wl1271_free_hw(wl);
 }