coverity spotted this (cid #758). All callers dereference sfp, so we dont
need this check. In addition to this, we dereference it earlier in the
function.
Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de> Acked-by: Douglas Gilbert <dougg@torque.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>