The maximum size of an EDID is 32768 bytes, which is 32768 / 128 = 256 blocks.
Return -EINVAL if blocks > 256 to ensure that the memory allocation is sane.
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Reported-by: NDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>