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ext4: handle error of ext4_setup_system_zone() on remount 

[ Upstream commit d176b1f62f ]

ext4_setup_system_zone() can fail. Handle the failure in ext4_remount().

Reviewed-by: Lukas Czerner <lczerner@redhat.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20200728130437.7804-2-jack@suse.cz
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Jan Kara 2020-07-28 15:04:32 +02:00 committed by Greg Kroah-Hartman
parent e579635669
commit 8e63c86f65
1 changed files with 4 additions and 1 deletions
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5
fs/ext4/super.c
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@ -5563,7 +5563,10 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
ext4_register_li_request(sb, first_not_zeroed);
}
ext4_setup_system_zone(sb);
err = ext4_setup_system_zone(sb);
if (err)
goto restore_opts;
if (sbi->s_journal == NULL && !(old_sb_flags & SB_RDONLY)) {
err = ext4_commit_super(sb, 1);
if (err)