V4L/DVB: cx23885: Check register errors
V4L/DVB: cx23885: Check register errors

Fix kernel Oops when number of NetUP Dual DVB-S2-CI cards more than
DVB_MAX_ADAPTERS limit.

[ad86ba2154032c9f55743a190faa2459a9d61d42@redhat.com: move the return to the proper place]
Signed-off-by: Abylay Ospan <be07f729d89a57ac75a50cd497cd1728d1aa5301@netup.ru>
Signed-off-by: Mauro Carvalho Chehab <ad86ba2154032c9f55743a190faa2459a9d61d42@redhat.com>

KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs