[LTP] [PATCH] bind/03, 21 rbind/38, 33:fix missing umount and error umount in these cases

[DAN LI <li.dan@cn.fujitsu.com>]

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The cases have the same problem that dirs are still in mount when their
targets are removed.for rbind/38,beside the problem above,there are two
error umount operations that umount dirs that are not in mount.
and all these result in making the test script trapped in a infinite loop.
To resolve these problems,all we need is just umount the mountpoints before
their targets are removed and delete the error umount operations.

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Signed-off-by: DAN LI <li.dan@cn.fujitsu.com> 
---
 testcases/kernel/fs/fs_bind/bind/test03  |    1 +
 testcases/kernel/fs/fs_bind/bind/test21  |    1 +
 testcases/kernel/fs/fs_bind/rbind/test33 |    1 +
 testcases/kernel/fs/fs_bind/rbind/test38 |    5 ++---
 4 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/testcases/kernel/fs/fs_bind/bind/test03 b/testcases/kernel/fs/fs_bind/bind/test03
index 10b678a..5989a3a 100755
--- a/testcases/kernel/fs/fs_bind/bind/test03
+++ b/testcases/kernel/fs/fs_bind/bind/test03
@@ -98,6 +98,7 @@ trap '' ERR
 	umount share2
 	umount share2
 	umount parent1
+	umount parent2
 	
 	rm -rf parent* share*
 	cleanup
diff --git a/testcases/kernel/fs/fs_bind/bind/test21 b/testcases/kernel/fs/fs_bind/bind/test21
index 741161f..ab0bf88 100755
--- a/testcases/kernel/fs/fs_bind/bind/test21
+++ b/testcases/kernel/fs/fs_bind/bind/test21
@@ -93,6 +93,7 @@ trap '' ERR
 	umount dir1
 	umount dir2
 	umount dir3
+	umount dir4
 	
 	rm -rf dir*
 	
diff --git a/testcases/kernel/fs/fs_bind/rbind/test33 b/testcases/kernel/fs/fs_bind/rbind/test33
index 8247747..9ccc53b 100755
--- a/testcases/kernel/fs/fs_bind/rbind/test33
+++ b/testcases/kernel/fs/fs_bind/rbind/test33
@@ -93,6 +93,7 @@ trap '' ERR
 	umount dir1
 	umount dir2
 	umount dir3
+	umount dir4
 	
 	rm -rf dir*
 	
diff --git a/testcases/kernel/fs/fs_bind/rbind/test38 b/testcases/kernel/fs/fs_bind/rbind/test38
index c06f072..c3f46fb 100755
--- a/testcases/kernel/fs/fs_bind/rbind/test38
+++ b/testcases/kernel/fs/fs_bind/rbind/test38
@@ -82,11 +82,10 @@ trap '' ERR
 	umount parent1/child1
 	umount parent2/child1
 	umount parent2/child1
-	umount parent2 
+	umount parent2/child2
+	umount parent2
 	umount share1
 	umount share1
-	umount share2
-	umount share2
 	
 	rm -rf parent* share*
 	cleanup
-- 
1.7.1


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