[PATCH] ext4: unlock the new inode before iput

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We need to unlock the new inode before iput. This patch fix the below warning.

[  470.400044] ------------[ cut here ]------------
[  470.400065] WARNING: at fs/inode.c:1210 generic_delete_inode+0x65/0x16a()
[  470.400072] Hardware name: N/A
.....
...
[  470.400353] Pid: 4451, comm: chattr Not tainted 2.6.31-rc7-red-debug #4
[  470.400359] Call Trace:
[  470.400372]  [<ffffffff81037771>] warn_slowpath_common+0x77/0x8f
[  470.400385]  [<ffffffff81037798>] warn_slowpath_null+0xf/0x11
[  470.400395]  [<ffffffff810b7f28>] generic_delete_inode+0x65/0x16a
[  470.400405]  [<ffffffff810b8044>] generic_drop_inode+0x17/0x1bd
[  470.400413]  [<ffffffff810b7083>] iput+0x61/0x65
[  470.400455]  [<ffffffffa003b229>] ext4_ext_migrate+0x5eb/0x66a [ext4]
[  470.400492]  [<ffffffffa002b1f8>] ext4_ioctl+0x340/0x756 [ext4]
[  470.400507]  [<ffffffff810b1a91>] vfs_ioctl+0x1d/0x82
[  470.400517]  [<ffffffff810b1ff0>] do_vfs_ioctl+0x483/0x4c9
[  470.400527]  [<ffffffff81059c30>] ? trace_hardirqs_on+0xd/0xf
[  470.400537]  [<ffffffff810b2087>] sys_ioctl+0x51/0x74
[  470.400549]  [<ffffffff8100ba6b>] system_call_fastpath+0x16/0x1b
[  470.400557] ---[ end trace ab85723542352dac ]---

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
---
 fs/ext4/migrate.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/fs/ext4/migrate.c b/fs/ext4/migrate.c
index 313a50b..05361ad 100644
--- a/fs/ext4/migrate.c
+++ b/fs/ext4/migrate.c
@@ -618,7 +618,7 @@ err_out:
 	tmp_inode->i_nlink = 0;
 
 	ext4_journal_stop(handle);
-
+	unlock_new_inode(tmp_inode);
 	iput(tmp_inode);
 
 	return retval;
-- 
1.6.4.1.174.g32f4c

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