kfree on NULL pointer is a no-op and therefore checking it is redundant.
Signed-off-by: NHimanshu Jha <himanshujha199640@gmail.com>
Acked-by: NDavid S. Miller <davem@davemloft.net>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>