wlan: avoid NULL pointer dereference in hdd_wmm_sme_callback()

Static source code analysis identified a CCX-enabled code path in
hdd_wmm_sme_callback() where a NULL pointer could be dereferenced.
Add logic to NULL check the pointer before the dereference.

Change-Id: I02c6d22abbdcd4a93109ed5bc367ccbd68b7ff51
CRs-fixed: 470188
1 file changed
tree: cd6eb1551ac07b9458d40d5dae5de1e40e802a17
  1. CORE/
  2. firmware_bin/
  3. riva/
  4. Android.mk
  5. Kbuild
  6. Kconfig