[media] gspca - cpia1: Fix error check
[media] gspca - cpia1: Fix error check

It looks to me like it was intended to check the return value
at this point.

Signed-off-by: Nicolas Kaiser <9c6450bbb5dc3209f15f8bb98630c23e1d8365d1@nikai.net>
Signed-off-by: Jean-François Moine <e5394ce9c4b9ae7d2c4686830c5ac5f3b9028b6a@free.fr>
Signed-off-by: Mauro Carvalho Chehab <ad86ba2154032c9f55743a190faa2459a9d61d42@redhat.com>

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