staging: wilc1000: removes an unnecessary if-condition

This patch removes an unnecessary if-condition.
Regardless of an if-condition is performed unconditionally '_end_' statement.
Signed-off-by: Leo Kim <leo.kim@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wilc1000/wilc_wlan.c

@@ -895,8 +895,6 @@ static void wilc_wlan_handle_isr_ext(struct wilc *wilc, u32 int_status)
 					      DATA_INT_CLR | ENABLE_RX_VMM);
 		ret = wilc->hif_func->hif_block_rx_ext(wilc, 0, buffer, size);
 
-		if (!ret)
-			goto _end_;
 _end_:
 		if (ret) {
 			offset += size;