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Wu Bo 7b9e34e821 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>
2020-05-27 17:37:34 +02:00
..
acl.c ceph: return errors from posix_acl_equiv_mode() correctly 2018-08-02 21:26:12 +02:00
addr.c ceph: clear page dirty before invalidate page 2019-08-29 08:28:50 +02:00
cache.c ceph: use timespec64 for inode timestamp 2018-08-02 21:26:12 +02:00
cache.h ceph: improve fscache revalidation 2016-06-01 10:31:50 +02:00
caps.c ceph: fix double unlock in handle_cap_export() 2020-05-27 17:37:34 +02:00
ceph_frag.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
debugfs.c libceph, ceph: change permission for readonly debugfs entries 2018-04-02 10:12:45 +02:00
dir.c ceph: ensure d_name stability in ceph_dentry_hash() 2019-05-02 09:58:54 +02:00
export.c ceph: return ceph_mdsc_do_request() errors from __get_parent() 2020-04-29 16:31:10 +02:00
file.c ceph: check POOL_FLAG_FULL/NEARFULL in addition to OSDMAP_FULL/NEARFULL 2020-04-02 15:28:16 +02:00
inode.c ceph: fix dentry leak in ceph_readdir_prepopulate 2019-12-01 09:16:48 +01:00
ioctl.c libceph, ceph: move ceph_calc_file_object_mapping() to striper.c 2018-04-02 10:12:43 +02:00
ioctl.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Kconfig fs/*/Kconfig: drop links to 404-compliant http://acl.bestbits.at 2018-01-01 12:45:37 -07:00
locks.c ceph: don't try fill file_lock on unsuccessful GETFILELOCK reply 2019-08-29 08:28:50 +02:00
Makefile ceph: quota: add initial infrastructure to support cephfs quotas 2018-04-02 11:17:51 +02:00
mds_client.c ceph: check availability of mds cluster on mount after wait timeout 2020-02-24 08:34:52 +01:00
mds_client.h ceph: support cephfs' own feature bits 2018-08-13 17:55:44 +02:00
mdsmap.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
quota.c ceph: quota: fix null pointer dereference in quota check 2018-11-27 16:13:05 +01:00
snap.c ceph: fix buffer free while holding i_ceph_lock in __ceph_build_xattrs_blob() 2019-09-10 10:33:52 +01:00
strings.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
super.c ceph: canonicalize server path in place 2020-04-13 10:45:12 +02:00
super.h ceph: canonicalize server path in place 2020-04-13 10:45:12 +02:00
xattr.c ceph: fix "ceph.dir.rctime" vxattr value 2020-01-27 14:51:00 +01:00