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qcacmn: Modify the WIDE_BW_CHAN_SWITCH IE length check

Telusuri Sumber 
Modify the length check to drop beacons which has
WLAN_ELEMID_WIDE_BAND_CHAN_SWITCH IE length less than 3. This is to
accommodate the addition of fields to this IE in the future.

Change-Id: I8cba60b631022f4348cce90ae41a003964040ad1
CRs-Fixed: 2884249
This commit is contained in:
Shashikala Prabhu
2021-03-01 22:40:58 +05:30
committed by snandini
orang tua 76112c241f
melakukan e601f0d39d
1 mengubah file dengan 1 tambahan dan 1 penghapusan
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2
umac/scan/dispatcher/src/wlan_scan_utils_api.c
Melihat File

@@ -595,7 +595,7 @@ util_scan_parse_chan_switch_wrapper_ie(struct scan_cache_entry *scan_params,
scan_params->ie_list.country = (uint8_t *)sub_ie;
break;
case WLAN_ELEMID_WIDE_BAND_CHAN_SWITCH:
if (sub_ie->ie_len != WLAN_WIDE_BW_CHAN_SWITCH_IE_LEN)
if (sub_ie->ie_len < WLAN_WIDE_BW_CHAN_SWITCH_IE_LEN)
return QDF_STATUS_E_INVAL;
scan_params->ie_list.widebw = (uint8_t *)sub_ie;
break;