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qcacld-2.0: Process DO_ACS vendor command only in SAP/P2P_GO mode 

propagation from qcacld-3.0 to qcacld-2.0

While processing DO_ACS vendor command session context, which is
of type union holds either station's or SAP's session, is updated
without checking adapter's mode. This may lead to corrupt station's
session context if DO_ACS is invoked with station adapter.

Validate adapter mode and process DO_ACS vendor commands only if the
mode is SAP/P2P_GO

Change-Id: Id882acd5514274a092807995f8eb58c4b5ff7fee
CRs-Fixed: 2295622
Bug: 73173201
Signed-off-by: Andrew LeCain <alecain@google.com>
This commit is contained in:
Min Liu 2019-06-21 17:00:26 +08:00 committed by L R
parent 0e4954aaa5
commit 18c1357aff
1 changed files with 8 additions and 0 deletions
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8
drivers/net/wireless/qcacld-2.0/CORE/HDD/src/wlan_hdd_cfg80211.c
View File

@ -7830,6 +7830,14 @@ static int __wlan_hdd_cfg80211_do_acs(struct wiphy *wiphy,
hddLog(LOGE, FL("HDD context is not valid"));
return status;
}
if (!((adapter->device_mode == WLAN_HDD_SOFTAP) ||
(adapter->device_mode == WLAN_HDD_P2P_GO))) {
hddLog(VOS_TRACE_LEVEL_ERROR, FL("Invalid device mode %d"),
adapter->device_mode);
return -EINVAL;
}
sap_config = &adapter->sessionCtx.ap.sapConfig;
vos_mem_zero(&sap_config->acs_cfg, sizeof(struct sap_acs_cfg));