The Coverity checker spotted that we have already oops'ed if "fe" was NULL.

Since "fe" being NULL seems impossible at this point this patch removes
the NULL check.
Signed-off-by: NAdrian Bunk <bunk@stusta.de>
Acked-by: NManu Abraham <manu@linuxtv.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>