ext4: fix possible leak of s_journal_flag_rwsem in error path
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
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@ -4510,6 +4510,7 @@ failed_mount6:
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percpu_counter_destroy(&sbi->s_freeinodes_counter);
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percpu_counter_destroy(&sbi->s_dirs_counter);
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percpu_counter_destroy(&sbi->s_dirtyclusters_counter);
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percpu_free_rwsem(&sbi->s_journal_flag_rwsem);
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failed_mount5:
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ext4_ext_release(sb);
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ext4_release_system_zone(sb);
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