From a2876e705ad31d248118454ce9d7bfc5c2eda849 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel@debian.org>
Date: Fri, 22 Jan 2010 09:58:54 +0100
Subject: [PATCH] Don't panic with persistency when we can't correctly mount
 the filesystem (Closes: #565456).

---
 scripts/live-helpers | 21 ++++++++++-----------
 1 file changed, 10 insertions(+), 11 deletions(-)

diff --git a/scripts/live-helpers b/scripts/live-helpers
index 84d460b..6edd51c 100644
--- a/scripts/live-helpers
+++ b/scripts/live-helpers
@@ -287,7 +287,8 @@ try_mount ()
 		then
 			fstype=$(get_fstype "${dev}")
 		fi
-		mount -t "${fstype}" -o "${opts}" "${dev}" "${mountp}" || panic "Cannot mount ${dev} on ${mountp}, fstype=${fstype}, options=${opts}"
+		mount -t "${fstype}" -o "${opts}" "${dev}" "${mountp}" || \
+		( echo "SKIPPING: Cannot mount ${dev} on ${mountp}, fstype=${fstype}, options=${opts}" > live.log && return 0 )
 	fi
 }
 
@@ -376,17 +377,15 @@ find_cow_device ()
 			case "$(get_fstype ${devname})" in
 				vfat|ext2|ext3|ext4|jffs2)
 					mkdir -p "${cow_backing}"
-					if ! try_mount "${devname}" "${cow_backing}" "rw"
+					if try_mount "${devname}" "${cow_backing}" "rw"
 					then
-						break
-					fi
-
-					if [ -f "${pers_fpath}" ]
-					then
-						echo $(setup_loop "${pers_fpath}" "loop" "/sys/block/loop*")
-						return 0
-					else
-						umount ${cow_backing}
+						if [ -f "${pers_fpath}" ]
+						then
+							echo $(setup_loop "${pers_fpath}" "loop" "/sys/block/loop*")
+							return 0
+						else
+							umount ${cow_backing} > /dev/null 2>&1 || true
+						fi
 					fi
 					;;
 				*)
-- 
2.1.4