From da50dd404b60b90161a0b8c33698c3d36496d7cd Mon Sep 17 00:00:00 2001
From: Michael Prokop <mika@grml.org>
Date: Fri, 26 Jun 2015 15:01:33 +0200
Subject: [PATCH] ignore "unknown" filesystems in is_supported_fs()

---
 components/9990-misc-helpers.sh | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/components/9990-misc-helpers.sh b/components/9990-misc-helpers.sh
index 9318a4b..a97615b 100755
--- a/components/9990-misc-helpers.sh
+++ b/components/9990-misc-helpers.sh
@@ -420,6 +420,12 @@ is_supported_fs ()
 		return 1
 	fi
 
+	# get_fstype might report "unknown" or "swap", ignore it as no such kernel module exists
+	if [ "${fstype}" = "unknown" ] || [ "${fstype}" = "swap" ]
+	then
+		return 1
+	fi
+
 	# Try to look if it is already supported by the kernel
 	if grep -q ${fstype} /proc/filesystems
 	then
-- 
2.1.4