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btrfs-progs: fix leak of "path" in btrfs_find_item() error paths 

path needs to be freed before return.

Signed-off-by: Eryu Guan <guaneryu@gmail.com>
Signed-off-by: David Sterba <dsterba@suse.com>
master
Eryu Guan 2015-10-19 19:37:50 +08:00 committed by David Sterba
parent 14ac985146
commit 380b1c8ced
1 changed files with 11 additions and 9 deletions
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20
ctree.c
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@ -1058,26 +1058,28 @@ int btrfs_find_item(struct btrfs_root *fs_root, struct btrfs_path *found_path,
path = found_path;
ret = btrfs_search_slot(NULL, fs_root, &key, path, 0, 0);
if ((ret < 0) || (found_key == NULL)) {
if (path != found_path)
btrfs_free_path(path);
return ret;
}
if ((ret < 0) || (found_key == NULL))
goto out;
eb = path->nodes[0];
if (ret && path->slots[0] >= btrfs_header_nritems(eb)) {
ret = btrfs_next_leaf(fs_root, path);
if (ret)
return ret;
goto out;
eb = path->nodes[0];
}
btrfs_item_key_to_cpu(eb, found_key, path->slots[0]);
if (found_key->type != key.type ||
found_key->objectid != key.objectid)
return 1;
found_key->objectid != key.objectid) {
ret = 1;
goto out;
}
return 0;
out:
if (path != found_path)
btrfs_free_path(path);
return ret;
}
/*