Btrfs: fix memory leak in resolver code (5eb56d25) · Commits · 戴 / test

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:

Ilya Dryomov <idryomov@gmail.com>

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);
		}

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