qcacld-3.0: Avoid integer underflow in dot11f_unpack functions

In function dot11f_unpack functions length of buffer passed is
decremented as pointer advances in the buffer. Add a check for
integer underflow before decrementing the length.

Change-Id: I4ed39d326855c2027ff0bc3cbe5c8981a2ae2aa1
CRs-Fixed: 2231755
2 files changed
tree: 7d81a007cfb294cf430def2c85472a37eb8dcba8
  1. components/
  2. core/
  3. uapi/
  4. Android.mk
  5. Kbuild
  6. Kconfig
  7. Makefile
  8. README.txt