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btrfs: tree-checker: add missing return after error in root_item

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There's a missing return statement after an error is found in the
root_item, this can cause further problems when a crafted image triggers
the error.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=210181
Fixes: 259ee7754b67 ("btrfs: tree-checker: Add ROOT_ITEM check")
CC: stable@vger.kernel.org # 5.4+
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Daniel Xu <dxu@dxuuu.xyz>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Daniel Xu 2020-11-12 17:55:06 -08:00 committed by David Sterba
parent 6f23277a49
commit 1a49a97df6
1 changed files with 1 additions and 0 deletions
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fs/btrfs/tree-checker.c
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@ -1068,6 +1068,7 @@ static int check_root_item(struct extent_buffer *leaf, struct btrfs_key *key,
"invalid root item size, have %u expect %zu or %u",
btrfs_item_size_nr(leaf, slot), sizeof(ri),
btrfs_legacy_root_item_size());
return -EUCLEAN;
}
/*