btrfs: tests: do trivial BTRFS_PATH_AUTO_FREE conversions

Trivial pattern for the auto freeing where there are no operations
between btrfs_free_path() and the function returns.

Signed-off-by: Sun YangKai <sunk67188@gmail.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/tests/qgroup-tests.c b/fs/btrfs/tests/qgroup-tests.c
index 3fc8dc3fd980667a9f89d894d65cce02e0f5047a..05cfda8af422d77466b2d1efbaec43dc6ff0b352 100644 (file)
--- a/fs/btrfs/tests/qgroup-tests.c
+++ b/fs/btrfs/tests/qgroup-tests.c
@@ -20,7 +20,7 @@ static int insert_normal_tree_ref(struct btrfs_root *root, u64 bytenr,
        struct btrfs_extent_item *item;
        struct btrfs_extent_inline_ref *iref;
        struct btrfs_tree_block_info *block_info;
-       struct btrfs_path *path;
+       BTRFS_PATH_AUTO_FREE(path);
        struct extent_buffer *leaf;
        struct btrfs_key ins;
        u32 size = sizeof(*item) + sizeof(*iref) + sizeof(*block_info);
@@ -41,7 +41,6 @@ static int insert_normal_tree_ref(struct btrfs_root *root, u64 bytenr,
        ret = btrfs_insert_empty_item(&trans, root, path, &ins, size);
        if (ret) {
                test_err("couldn't insert ref %d", ret);
-               btrfs_free_path(path);
                return ret;
        }
 
@@ -61,7 +60,6 @@ static int insert_normal_tree_ref(struct btrfs_root *root, u64 bytenr,
                btrfs_set_extent_inline_ref_type(leaf, iref, BTRFS_TREE_BLOCK_REF_KEY);
                btrfs_set_extent_inline_ref_offset(leaf, iref, root_objectid);
        }
-       btrfs_free_path(path);
        return 0;
 }
 
@@ -70,7 +68,7 @@ static int add_tree_ref(struct btrfs_root *root, u64 bytenr, u64 num_bytes,
 {
        struct btrfs_trans_handle trans;
        struct btrfs_extent_item *item;
-       struct btrfs_path *path;
+       BTRFS_PATH_AUTO_FREE(path);
        struct btrfs_key key;
        u64 refs;
        int ret;
@@ -90,7 +88,6 @@ static int add_tree_ref(struct btrfs_root *root, u64 bytenr, u64 num_bytes,
        ret = btrfs_search_slot(&trans, root, &key, path, 0, 1);
        if (ret) {
                test_err("couldn't find extent ref");
-               btrfs_free_path(path);
                return ret;
        }
 
@@ -112,7 +109,6 @@ static int add_tree_ref(struct btrfs_root *root, u64 bytenr, u64 num_bytes,
        ret = btrfs_insert_empty_item(&trans, root, path, &key, 0);
        if (ret)
                test_err("failed to insert backref");
-       btrfs_free_path(path);
        return ret;
 }
 
@@ -121,7 +117,7 @@ static int remove_extent_item(struct btrfs_root *root, u64 bytenr,
 {
        struct btrfs_trans_handle trans;
        struct btrfs_key key;
-       struct btrfs_path *path;
+       BTRFS_PATH_AUTO_FREE(path);
        int ret;
 
        btrfs_init_dummy_trans(&trans, NULL);
@@ -139,11 +135,9 @@ static int remove_extent_item(struct btrfs_root *root, u64 bytenr,
        ret = btrfs_search_slot(&trans, root, &key, path, -1, 1);
        if (ret) {
                test_err("didn't find our key %d", ret);
-               btrfs_free_path(path);
                return ret;
        }
        btrfs_del_item(&trans, root, path);
-       btrfs_free_path(path);
        return 0;
 }
 
@@ -152,7 +146,7 @@ static int remove_extent_ref(struct btrfs_root *root, u64 bytenr,
 {
        struct btrfs_trans_handle trans;
        struct btrfs_extent_item *item;
-       struct btrfs_path *path;
+       BTRFS_PATH_AUTO_FREE(path);
        struct btrfs_key key;
        u64 refs;
        int ret;
@@ -172,7 +166,6 @@ static int remove_extent_ref(struct btrfs_root *root, u64 bytenr,
        ret = btrfs_search_slot(&trans, root, &key, path, 0, 1);
        if (ret) {
                test_err("couldn't find extent ref");
-               btrfs_free_path(path);
                return ret;
        }
 
@@ -198,7 +191,6 @@ static int remove_extent_ref(struct btrfs_root *root, u64 bytenr,
                return ret;
        }
        btrfs_del_item(&trans, root, path);
-       btrfs_free_path(path);
        return ret;
 }