[PATCH 3/7] ext4: lost release of s_journal_flag_rwsem on rollback in ext4_fill_super

[Vasily Averin]

Fixes c8585c6fcaf2 ("ext4: fix races between changing inode journal ...") # 4.7

cc: Daeho Jeong <daeho.jeong@xxxxxxxxxxx>
Signed-off-by: Vasily Averin <vvs@xxxxxxxxxxxxx>
---
 fs/ext4/super.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index ed4d36506ec2..0c9e165b4e3f 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -4511,6 +4511,7 @@ 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);
-- 
2.17.1