staging: unisys: visorbus: refactor setup_crash_devices_work_queue

The if statement was sending us down the happy path with the error path
in the else. This can be simplified by having the if be the error and
just falling through with the good path.
Signed-off-by: NDavid Kershner <david.kershner@unisys.com>
Reviewed-by: NTim Sell <timothy.sell@unisys.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/unisys/visorbus/visorchipset.c

@@ -1431,22 +1431,21 @@ setup_crash_devices_work_queue(struct work_struct *work)
 	}
 
 	/* reuse IOVM create bus message */
-	if (local_crash_bus_msg.cmd.create_bus.channel_addr) {
-		bus_create(&local_crash_bus_msg);
-	} else {
+	if (!local_crash_bus_msg.cmd.create_bus.channel_addr) {
 		POSTCODE_LINUX(CRASH_DEV_BUS_NULL_FAILURE_PC, 0, 0,
 			       DIAG_SEVERITY_ERR);
 		return;
 	}
+	bus_create(&local_crash_bus_msg);
 
 	/* reuse create device message for storage device */
-	if (local_crash_dev_msg.cmd.create_device.channel_addr) {
-		my_device_create(&local_crash_dev_msg);
-	} else {
+	if (!local_crash_dev_msg.cmd.create_device.channel_addr) {
 		POSTCODE_LINUX(CRASH_DEV_DEV_NULL_FAILURE_PC, 0, 0,
 			       DIAG_SEVERITY_ERR);
 		return;
 	}
+	my_device_create(&local_crash_dev_msg);
+
 	POSTCODE_LINUX(CRASH_DEV_EXIT_PC, 0, 0, DIAG_SEVERITY_PRINT);
 }