From: Sage Weil <sage@newdream.net>
Date: Thu, 13 Jan 2011 23:27:29 +0000 (-0800)
Subject: ceph: fix xattr rbtree search
X-Git-Tag: v2.6.38-rc3~24^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=17db143fc091238c43ab9f373974ca2224a4c3f8;p=pandora-kernel.git

ceph: fix xattr rbtree search

Fix xattr name comparison in rbtree search for strings that share a prefix.
The *name argument is null terminated, but the xattr name is not, so we
need to use strncmp, but that means adjusting for the case where name is
a prefix of xattr->name.

The corresponding case in __set_xattr() already handles this properly
(although in that case *name is also not null terminated).

Reported-by: Sergiy Kibrik <sakib@meta.ua>
Signed-off-by: Sage Weil <sage@newdream.net>
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