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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>
2020-05-27 17:46:34 +02:00
..
acl.c
ceph: rename struct ceph_acls_info to ceph_acl_sec_ctx
2019-07-08 14:01:42 +02:00
addr.c
ceph: use release_pages() directly
2019-09-16 12:06:25 +02:00
cache.c
ceph: include ceph_debug.h in cache.c
2019-09-16 12:06:25 +02:00
cache.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 188
2019-05-30 11:29:21 -07:00
caps.c
ceph: fix double unlock in handle_cap_export()
2020-05-27 17:46:34 +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
ceph: don't return a value from void function
2019-09-16 12:06:25 +02:00
dir.c
ceph: fix compat_ioctl for ceph_dir_operations
2019-12-17 19:55:31 +01:00
export.c
ceph: return ceph_mdsc_do_request() errors from __get_parent()
2020-04-29 16:32:58 +02:00
file.c
ceph: check POOL_FLAG_FULL/NEARFULL in addition to OSDMAP_FULL/NEARFULL
2020-04-01 11:01:58 +02:00
inode.c
ceph: add missing check in d_revalidate snapdir handling
2019-10-29 22:29:55 +01:00
io.c
ceph: add buffered/direct exclusionary locking for reads and writes
2019-09-16 12:06:25 +02:00
io.h
ceph: add buffered/direct exclusionary locking for reads and writes
2019-09-16 12:06:25 +02:00
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
ceph: add selinux support
2019-07-08 14:01:42 +02:00
locks.c
ceph: return -EIO if read/write against filp that lost file locks
2019-09-16 12:06:24 +02:00
Makefile
ceph: add buffered/direct exclusionary locking for reads and writes
2019-09-16 12:06:25 +02:00
mds_client.c
ceph: fix endianness bug when handling MDS session feature bits
2020-05-14 07:58:27 +02:00
mds_client.h
ceph: eliminate session->s_trim_caps
2019-09-16 12:06:24 +02:00
mdsmap.c
ceph: have MDS map decoding use entity_addr_t decoder
2019-07-08 14:01:43 +02:00
quota.c
ceph: demote quotarealm lookup warning to a debug message
2020-05-14 07:58:27 +02:00
snap.c
ceph: fix memory leak in ceph_cleanup_snapid_map()
2020-04-01 11:01:59 +02:00
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 10:48:11 +02:00
super.h
ceph: canonicalize server path in place
2020-04-13 10:48:11 +02:00
xattr.c
ceph: allow arbitrary security.* xattrs
2019-09-16 12:06:25 +02:00