From: Jouni Malinen <j@w1.fi>
Date: Sun, 8 May 2022 09:33:15 +0000 (+0300)
Subject: BSS coloring: Fix bitmap check
X-Git-Tag: hostap_2_11~1921
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=469528a6e5df9b9903d465e17e2562472e2dc4a1;p=thirdparty%2Fhostap.git

BSS coloring: Fix bitmap check

BIT(r) is not sufficient here since it does not cover 64 bit values.
Write this out with 1ULL to be large enough for the shift operation.

Signed-off-by: Jouni Malinen <j@w1.fi>
---

diff --git a/src/ap/hostapd.c b/src/ap/hostapd.c
index 122d1660f..f6fe8a8a0 100644
--- a/src/ap/hostapd.c
+++ b/src/ap/hostapd.c
@@ -3804,7 +3804,7 @@ static void hostapd_switch_color_timeout_handler(void *eloop_data,
 
 	r = os_random() % HE_OPERATION_BSS_COLOR_MAX;
 	for (i = 0; i < HE_OPERATION_BSS_COLOR_MAX; i++) {
-		if (r && !(hapd->color_collision_bitmap & BIT(r)))
+		if (r && !(hapd->color_collision_bitmap & (1ULL << r)))
 			break;
 
 		r = (r + 1) % HE_OPERATION_BSS_COLOR_MAX;