From: Yan, Zheng <zyan@redhat.com>
Date: Wed, 17 Dec 2014 13:26:47 +0000 (+0800)
Subject: ceph: fix setting empty extended attribute
X-Git-Tag: omap-for-v3.19/fixes-rc1~47^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0aeff37abada9f8c08d2b10481a43d3ae406c823;p=pandora-kernel.git

ceph: fix setting empty extended attribute

make sure 'value' is not null. otherwise __ceph_setxattr will remove
the extended attribute.

Signed-off-by: Yan, Zheng <zyan@redhat.com>
Reviewed-by: Sage Weil <sage@redhat.com>
---

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