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Commit 5eb56d25 authored by Ilya Dryomov's avatar Ilya Dryomov
Browse files

Btrfs: fix memory leak in resolver code 



init_ipath() allocates btrfs_data_container which is never freed.  Free
it in free_ipath() and nuke the comment for init_data_container() - we
can safely free it with kfree().

Signed-off-by: default avatarIlya Dryomov <idryomov@gmail.com>
parent e4837f8f

fs/btrfs/backref.c

+1 −6
Original line number Diff line number Diff line
@@ -1342,12 +1342,6 @@ int paths_from_inode(u64 inum, struct inode_fs_paths *ipath) 
				inode_to_path, ipath);

}



/*

 * allocates space to return multiple file system paths for an inode.

 * total_bytes to allocate are passed, note that space usable for actual path

 * information will be total_bytes - sizeof(struct inode_fs_paths).

 * the returned pointer must be freed with free_ipath() in the end.

 */

struct btrfs_data_container *init_data_container(u32 total_bytes)

{

	struct btrfs_data_container *data;
@@ -1403,5 +1397,6 @@ struct inode_fs_paths *init_ipath(s32 total_bytes, struct btrfs_root *fs_root, 


void free_ipath(struct inode_fs_paths *ipath)

{

	kfree(ipath->fspath);

	kfree(ipath);

}