From: Tsutomu Itoh <t-itoh@jp.fujitsu.com>
Date: Mon, 24 Jan 2011 00:57:10 +0000 (+0000)
Subject: btrfs: check return value of btrfs_start_ioctl_transaction() properly
X-Git-Tag: v2.6.38-rc4~2^2~15
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=abd30bb0af9d4671506502278e8631bed9e3c35c;p=pandora-kernel.git

btrfs: check return value of btrfs_start_ioctl_transaction() properly

btrfs_start_ioctl_transaction() returns ERR_PTR(), not NULL.
So, it is necessary to use IS_ERR() to check the return value.

Signed-off-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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