firmware.sh: Unmount after cleanup

docs/tools/firmware.sh

@@ -89,9 +89,6 @@ case "$os" in
 	sudo modprobe brcmfmac || true
 	sudo modprobe -r hci_bcm4377 || true
 	sudo modprobe hci_bcm4377 || true
-	sudo rm -r $workdir/*
-	sudo umount $mountpoint
-	sudo rmdir $mountpoint
 	echo "Keeping a copy of the firmware and the script in the EFI partition shall allow you to set up Wi-Fi again in the future by running this script or the commands told in the macOS step in Linux only, without the macOS step. Do you want to keep a copy? (y/N)"
 		read input
 		if [[ ($input != y) && ($input != Y) ]]
@@ -108,6 +105,9 @@ case "$os" in
 				fi
 			done
 		fi
+	sudo rm -r $workdir/*
+	sudo umount $mountpoint
+	sudo rmdir $mountpoint
 		echo "Done!"
 		;;
 	(*)