Commit d2ce8d6b authored Jun 27, 2019 by Jiunn Chang Committed by Johannes Berg Jun 28, 2019

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>

parent 556e2f60

include/uapi/linux/nl80211.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -5314,7 +5314,7 @@ enum nl80211_feature_flags {
		NL80211_FEATURE_TDLS_CHANNEL_SWITCH = 1 << 28,
		NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR = 1 << 29,
		NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR = 1 << 30,
		NL80211_FEATURE_ND_RANDOM_MAC_ADDR = 1 << 31,
		NL80211_FEATURE_ND_RANDOM_MAC_ADDR = 1U << 31,
		};

		/**

Admin message