nl80211: Fix undefined behavior in bit shift

Shifting signed 32-bit value by 31 bits is undefined.  Changing most
significant bit to unsigned.

Signed-off-by: Jiunn Chang <c0d1n61at3@gmail.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Jiunn Chang 2019-06-27 00:04:26 -05:00 • committed by Johannes Berg
commit d2ce8d6bfc