[ Upstream commit 1bd70d2eba9d90eb787634361f0f6fa2c86b3f6d ]

FILE pointer variable f is opened but never closed.
Signed-off-by: NPeng Hao <peng.hao2@zte.com.cn>
Signed-off-by: NDaniel Borkmann <daniel@iogearbox.net>
Signed-off-by: NSasha Levin <sashal@kernel.org>