Wu Bo
b68d27c5ff
ceph: fix double unlock in handle_cap_export() ...
[ Upstream commit 4d8e28ff3106b093d98bfd2eceb9b430c70a8758 ]
If the ceph_mdsc_open_export_target_session() return fails, it will
do a "goto retry", but the session mutex has already been unlocked.
Re-lock the mutex in that case to ensure that we don't unlock it
twice.
Signed-off-by: Wu Bo <wubo40@huawei.com>
Reviewed-by: "Yan, Zheng" <zyan@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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b68d27c5ff