V4L/DVB (4379): Videodev: Check return value of class_device_register() correctly
V4L/DVB (4379): Videodev: Check return value of class_device_register() correctly

Errors are return values < 0, not != 0.

Signed-off-by: Trent Piepho <ab69db8315af7de6e673a6ddf128d415157a7c3f@speakeasy.org>
Signed-off-by: Mauro Carvalho Chehab <ad86ba2154032c9f55743a190faa2459a9d61d42@infradead.org>

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