src/winusb: Fix wrong usage of and-list

Signed-off-by: 林博仁 <[email protected]>

src/winusb

@@ -145,8 +145,10 @@ init(){
 		"${source_fs_mountpoint}"\
 		"${target_partition}"\
 		"${target_fs_mountpoint}"\
-		|| echo_with_color red "Error: Failed to mount filesystems"\
-		&& exit 1
+		|| (
+			echo_with_color red "Error: Failed to mount filesystems"\
+			exit 1
+		)
 
 	check_target_filesystem_free_space\
 		"${target_fs_mountpoint}"\
@@ -379,36 +381,45 @@ mount_source_and_target_filesystem(){
 	mkdir\
 		--parents\
 		"${source_fs_mountpoint}"\
-		|| echo_with_color red "${FUNCNAME[0]}: Error: Unable to create \"${source_fs_mountpoint}\" mountpoint directory"\
-		&& return 1
+		|| (
+			echo_with_color red "${FUNCNAME[0]}: Error: Unable to create \"${source_fs_mountpoint}\" mountpoint directory"
+			return 1
+		)
 	if [ -f "${source_media}" ]; then # ${source_media} is an ISO image
 		mount\
 			--options loop,ro\
 			--types udf,iso9660\
 			"${source_media}"\
 			"${source_fs_mountpoint}"\
-		|| echo_with_color red "${FUNCNAME[0]}: Error: Unable to mount source media"\
-		&& return 1
+		|| (
+			echo_with_color red "${FUNCNAME[0]}: Error: Unable to mount source media"
+			return 1
+		)
 	else # ${source_media} is a real optical disk drive (block device)
 		mount\
 			--options ro\
 			"${source_media}"\
 			"${source_fs_mountpoint}"\
-		|| echo_with_color red "${FUNCNAME[0]}: Error: Unable to mount source media"\
-		&& return 1
+		|| (
+			echo_with_color red "${FUNCNAME[0]}: Error: Unable to mount source media"
+			return 1
+		)
 	fi
 
 	mkdir\
 		--parents\
 		"${target_fs_mountpoint}"\
-		|| echo_with_color red "${FUNCNAME[0]}: Error: Unable to create \"${target_fs_mountpoint}\" mountpoint directory"\
-		&& return 1
+		|| (
+			echo_with_color red "${FUNCNAME[0]}: Error: Unable to create \"${target_fs_mountpoint}\" mountpoint directory"
+			return 1
+		)
 	mount\
 		"${target_partition}"\
 		"${target_fs_mountpoint}"\
-		|| echo_with_color red "${FUNCNAME[0]}: Error: Unable to mount target partition"\
-		&& return 1
-
+		|| (
+			echo_with_color red "${FUNCNAME[0]}: Error: Unable to mount target partition"
+			return 1
+		)
 }; declare -fr mount_source_and_target_filesystem
 
 setup_traps(){