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btrfs: use BTRFS_PATH_AUTO_FREE in btrfs_get_name()

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This is the trivial pattern for path auto free, initialize at the
beginning and free at the end with some return simplifications.

Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2025-02-24 09:15:17 +01:00
parent 72f2bae3c1
commit 899c8798b5
1 changed files with 3 additions and 7 deletions
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10
fs/btrfs/export.c
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@ -223,7 +223,7 @@ static int btrfs_get_name(struct dentry *parent, char *name,
struct btrfs_inode *dir = BTRFS_I(d_inode(parent));
struct btrfs_root *root = dir->root;
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_path *path;
BTRFS_PATH_AUTO_FREE(path);
struct btrfs_inode_ref *iref;
struct btrfs_root_ref *rref;
struct extent_buffer *leaf;
@ -255,15 +255,12 @@ static int btrfs_get_name(struct dentry *parent, char *name,
ret = btrfs_search_slot(NULL, root, &key, path, 0, 0);
if (ret < 0) {
btrfs_free_path(path);
return ret;
} else if (ret > 0) {
if (ino == BTRFS_FIRST_FREE_OBJECTID) {
if (ino == BTRFS_FIRST_FREE_OBJECTID)
path->slots[0]--;
} else {
btrfs_free_path(path);
else
return -ENOENT;
}
}
leaf = path->nodes[0];
@ -280,7 +277,6 @@ static int btrfs_get_name(struct dentry *parent, char *name,
}
read_extent_buffer(leaf, name, name_ptr, name_len);
btrfs_free_path(path);
/*
* have to add the null termination to make sure that reconnect_path