From: Eric Gouriou <egouriou@google.com>
Date: Mon, 23 May 2011 01:33:00 +0000 (-0400)
Subject: ext4: fix unbalanced up_write() in ext4_ext_truncate() error path
X-Git-Tag: v3.0-rc1~140^2~22
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f6d2f6b327ceef5c689581529a852dc6ec3b74a6;p=pandora-kernel.git

ext4: fix unbalanced up_write() in ext4_ext_truncate() error path

ext4_ext_truncate() should not invoke up_write(&EXT4_I(inode)->i_data_sem)
when ext4_orphan_add() returns an error, as it hasn't performed a
down_write() yet. This trivial patch fixes this by moving the up_write()
invocation above the out_stop label.

Signed-off-by: Eric Gouriou <egouriou@google.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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