staging: r8188eu: clean up rtw_hal_init

Clean up the rtw_hal_init function.

Remove the status variable. Exit immediately for errors.

Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com> # Edimax N150
Link: https://lore.kernel.org/r/20221106124901.720785-7-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/r8188eu/hal/hal_intf.c

@@ -6,24 +6,19 @@
 #include "../include/drv_types.h"
 #include "../include/hal_intf.h"
 
-uint	 rtw_hal_init(struct adapter *adapt)
+uint rtw_hal_init(struct adapter *adapt)
 {
-	uint	status = _SUCCESS;
-
 	adapt->hw_init_completed = false;
 
-	status = rtl8188eu_hal_init(adapt);
+	if (rtl8188eu_hal_init(adapt) != _SUCCESS)
+		return _FAIL;
 
-	if (status == _SUCCESS) {
-		adapt->hw_init_completed = true;
+	adapt->hw_init_completed = true;
 
-		if (adapt->registrypriv.notch_filter == 1)
-			hal_notch_filter_8188e(adapt, 1);
-	} else {
-		adapt->hw_init_completed = false;
-	}
+	if (adapt->registrypriv.notch_filter == 1)
+		hal_notch_filter_8188e(adapt, 1);
 
-	return status;
+	return _SUCCESS;
 }
 
 uint rtw_hal_deinit(struct adapter *adapt)