radio: iris: Checking if driver's buffer is large enough.
radio: iris: Checking if driver's buffer is large enough.

Checking if driver's buffer is large enough to copy
the data from user space.

Change-Id: I7b1a369e1334b1731c8704913aa6834eace6a050
CRs-fixed: 552329
Signed-off-by: Satish Kodishala <d773dd61d7676864918f19ffd315e6a8e63240c4@codeaurora.org>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas