Btrfs: Fix ordering of key field checks in btrfs_previous_item
Check objectid of item before checking the item type, otherwise we may return zero for a key that is actually too low. Signed-off-by: Yan Zheng <zheng.yan@oracle.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
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@ -4296,10 +4296,10 @@ int btrfs_previous_item(struct btrfs_root *root,
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path->slots[0]--;
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btrfs_item_key_to_cpu(leaf, &found_key, path->slots[0]);
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if (found_key.type == type)
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return 0;
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if (found_key.objectid < min_objectid)
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break;
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if (found_key.type == type)
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return 0;
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if (found_key.objectid == min_objectid &&
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found_key.type < type)
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break;
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