[PATCH] wpa_supplicant: convert endianness of MAC Capabilities Information before usage

Benjamin Lin benjamin-jw.lin at mediatek.com
Tue Feb 18 17:26:32 PST 2025


mac_cap in ieee80211_eht_capabilities is little-endian, hence requiring
endianness conversion before its usage.

Fixes: 33da386553b7 ("SCS: Add support for QoS Characteristics in SCS request")
Signed-off-by: Benjamin Lin <benjamin-jw.lin at mediatek.com>
---
 wpa_supplicant/robust_av.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wpa_supplicant/robust_av.c b/wpa_supplicant/robust_av.c
index a3edf3bee..b4d46e3f6 100644
--- a/wpa_supplicant/robust_av.c
+++ b/wpa_supplicant/robust_av.c
@@ -540,7 +540,7 @@ int wpas_send_scs_req(struct wpa_supplicant *wpa_s)
 	if (wpa_s->connection_eht && eht_ie &&
 	    eht_ie[1] >= 1 + IEEE80211_EHT_CAPAB_MIN_LEN) {
 		eht = (const struct ieee80211_eht_capabilities *) &eht_ie[3];
-		if (eht->mac_cap & EHT_MACCAP_SCS_TRAFFIC_DESC)
+		if (le_to_host16(eht->mac_cap) & EHT_MACCAP_SCS_TRAFFIC_DESC)
 			allow_scs_traffic_desc = true;
 	}
 
-- 
2.45.2




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