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ext4: fix possible leak of s_journal_flag_rwsem in error path

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commit af18e35bfd upstream.

Fixes: c8585c6fca ("ext4: fix races between changing inode journal ...")
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@kernel.org # 4.7
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Vasily Averin
2018-11-07 10:56:28 -05:00
committed by Greg Kroah-Hartman
parent 1124e5a89b
commit 181224f970
1 changed files with 1 additions and 0 deletions
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fs/ext4/super.c
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@@ -4442,6 +4442,7 @@ failed_mount6:
percpu_counter_destroy(&sbi->s_freeinodes_counter);
percpu_counter_destroy(&sbi->s_dirs_counter);
percpu_counter_destroy(&sbi->s_dirtyclusters_counter);
percpu_free_rwsem(&sbi->s_journal_flag_rwsem);
failed_mount5:
ext4_ext_release(sb);
ext4_release_system_zone(sb);