staging/crystalhd: assign PTR_ERR at fail cases to rc in chd_dec_init_chdev
staging/crystalhd: assign PTR_ERR at fail cases to rc in chd_dec_init_chdev

the rc assignment to PTR_ERR at fail cases of class_create and device_create are missed out,
return proper error rather than returning -ENODEV.

Signed-off-by: Devendra Naga <80be44de42a8601c5f7021eac61c2116586290ae@gmail.com>
Signed-off-by: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@linuxfoundation.org>

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