Re: [PATCH v3] btrfs: more trivial BTRFS_PATH_AUTO_FREE conversions

[Sun YangKai <sunk67188@gmail.com>]

> My bad.
> 
> I mistakenly removed some cleanup code without converting it to use
> BTRFS_PATH_AUTO_FREE. Thanks a lot for catching this.

Given the number of code lines, it's difficult to identify exactly what was 
missing, so I wrote a Python script to help verify the patch. Hopefully, we 
haven't missed anything this time.

Here are the missing parts:

diff --git a/fs/btrfs/root-tree.c b/fs/btrfs/root-tree.c
index c7f7c55b7c28..d1f5f6c42ef3 100644
--- a/fs/btrfs/root-tree.c
+++ b/fs/btrfs/root-tree.c
@@ -130,7 +130,7 @@ int btrfs_update_root(struct btrfs_trans_handle *trans, 
struct btrfs_root
                      *item)
 {
        struct btrfs_fs_info *fs_info = root->fs_info;
-       struct btrfs_path *path;
+       BTRFS_PATH_AUTO_FREE(path);
        struct extent_buffer *l;
        int ret;
        int slot;
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index b32e2f2e5436..06d45890df85 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -1717,7 +1717,7 @@ static noinline int fixup_inode_link_count(struct 
btrfs_trans_handle *trans,
                                           struct btrfs_inode *inode)
 {
        struct btrfs_root *root = inode->root;
-       struct btrfs_path *path;
+       BTRFS_PATH_AUTO_FREE(path);
        int ret;
        u64 nlink = 0;
        const u64 ino = btrfs_ino(inode);