wlan: Fix buffer overwrite problem in GETCCXMODE

If (len + 1) is greater than priv_data.total_len then copy_to_user
results in writing more data than the buffer can hold.
Fix this by writing mininum of (len + 1) and priv_data.total_len.

Change-Id: Ibb765d280ee69930feee4aa221e30443d957f308
CRs-Fixed: 865574
1 file changed
tree: 41459367d91db9d93183c2616ef9e9ddd4dee815
  1. CORE/
  2. firmware_bin/
  3. riva/
  4. Android.mk
  5. Kbuild
  6. Kconfig
  7. Makefile