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27 March 2024, 02:37:15 UTC
Revision fed95bab8d29b928fcf6225be72d37ded452e8a2 authored by Li Zefan on 25 February 2014, 11:28:44 UTC, committed by Greg Kroah-Hartman on 25 February 2014, 15:37:52 UTC 
sysfs: fix namespace refcnt leak
 
As mount() and kill_sb() is not a one-to-one match, we shoudn't get
ns refcnt unconditionally in sysfs_mount(), and instead we should
get the refcnt only when kernfs_mount() allocated a new superblock.

v2:
- Changed the name of the new argument, suggested by Tejun.
- Made the argument optional, suggested by Tejun.

v3:
- Make the new argument as second-to-last arg, suggested by Tejun.

Signed-off-by: Li Zefan <lizefan@huawei.com>
Acked-by: Tejun Heo <tj@kernel.org>
 ---
 fs/kernfs/mount.c      | 8 +++++++-
 fs/sysfs/mount.c       | 5 +++--
 include/linux/kernfs.h | 9 +++++----
 3 files changed, 15 insertions(+), 7 deletions(-)
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
1 parent 6d0abec
History
Tip revision: fed95bab8d29b928fcf6225be72d37ded452e8a2 authored by Li Zefan on 25 February 2014, 11:28:44 UTC
sysfs: fix namespace refcnt leak
Tip revision: fed95ba
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