From: Zhang Zhen <zhenzhang.zhang@huawei.com>
Date: Mon, 12 May 2014 13:57:59 +0000 (-0400)
Subject: ext4: avoid unneeded lookup when xattr name is invalid
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~88^2~15
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=230b8c1a7b388ac5e06549a7dbe083568875804e;p=pandora-kernel.git

ext4: avoid unneeded lookup when xattr name is invalid

In ext4_xattr_set_handle() we have checked the xattr name's length. So
we should also check it in ext4_xattr_get() to avoid unneeded lookup
caused by invalid name.

Signed-off-by: Zhang Zhen <zhenzhang.zhang@huawei.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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