tree abb39df3a25758ce80e0d6f19b821d208dcd640e
parent 32ec4397756d072873ee778cbf41b9f6a335b953
author Yan, Zheng <zyan@redhat.com> 1428393068 +0800
committer Ilya Dryomov <idryomov@gmail.com> 1429716811 +0300

ceph: fix null pointer dereference in send_mds_reconnect()

sb->s_root can be null when umounting

Signed-off-by: Yan, Zheng <zyan@redhat.com>