wlan: Add Null check before dereference of pointer

Add check for NULL for pointer before dereferencing them.
Also add check to validate length of buffer.

Change-Id: I4a5a45927877e9f899c762418b549894510eb7df
CRs-Fixed: 2006479
5 files changed
tree: 6ca86ae7e270eafabb40c919a1dddd7967200a4a
  1. CORE/
  2. firmware_bin/
  3. riva/
  4. Android.mk
  5. Kbuild
  6. Kconfig
  7. Makefile