wl1251: fix a memory leak in probe

commit aa679c36 upstream.

wl1251_sdio_probe() error path is missing wl1251_free_hw, add it.
Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Acked-by: Kalle Valo <kvalo@adurom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/net/wireless/wl12xx/wl1251_sdio.c

@@ -160,6 +160,7 @@ int wl1251_sdio_probe(struct sdio_func *func, const struct sdio_device_id *id)
 	sdio_disable_func(func);
 release:
 	sdio_release_host(func);
+	wl1251_free_hw(wl);
 	return ret;
 }