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Commit 0a992da5 authored by Vasily Averin's avatar Vasily Averin Committed by Greg Kroah-Hartman
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ext4: fix possible leak of s_journal_flag_rwsem in error path 



commit af18e35bfd01e6d65a5e3ef84ffe8b252d1628c5 upstream.

Fixes: c8585c6f ("ext4: fix races between changing inode journal ...")
Signed-off-by: default avatarVasily Averin <vvs@virtuozzo.com>
Signed-off-by: default avatarTheodore Ts'o <tytso@mit.edu>
Cc: stable@kernel.org # 4.7
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 0d339ced

fs/ext4/super.c

+1 −0
Original line number Diff line number Diff line
@@ -4509,6 +4509,7 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) 
	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);