From a8dceef3fe552a90578e033eceb21390f785cb83 Mon Sep 17 00:00:00 2001
From: Iru Cai <mytbk920423@gmail.com>
Date: Wed, 10 Aug 2016 20:36:36 +0800
Subject: try to umount first if the iso mount point is mounted

---
 functions.sh | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/functions.sh b/functions.sh
index 8af5f07..65bf6fb 100644
--- a/functions.sh
+++ b/functions.sh
@@ -65,6 +65,10 @@ download_iso() {
 }
 
 mount_iso() {
+	if findmnt "$ISOMNT" > /dev/null
+	then
+		umount_iso
+	fi
 	udevil mount "isofiles/$ISOFILE" "$ISOMNT"
 }
 
-- 
cgit v1.2.3