wlan: wiphy->bands[] can be null.

In somecase if wiphy->bands[] becomes null,
access to null memory can be reason for crash.

CRs-Fixed: 490153
Change-Id: Ib3636938f6ebd09d1e3d0d05522f196a8ba9e17a
1 file changed
tree: 2d098a7d569e7d5190bbb7d0b04e870daef57feb
  1. CORE/
  2. firmware_bin/
  3. riva/
  4. Android.mk
  5. Kbuild
  6. Kconfig