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qcacld-3.0: Check NULL pointer of roam_profile

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__wlan_hdd_cfg80211_get_key was invoked when unloading driver.
SAP ctx had been freed at this time.wlan_sap_get_roam_profile will
return NULL.
Check NULL pointer before use roam_profile.

Change-Id: If1f11f0fb7027a6af4e3242fe9af722740d32850
CRs-Fixed: 2162395
This commit is contained in:
Jiachao Wu 2017-12-27 14:15:23 +08:00 • committed by snandini
commit d58cfc9eee
1 changed files with 10 additions and 0 deletions
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10
core/hdd/src/wlan_hdd_cfg80211.c
View file

@ -14650,6 +14650,11 @@ static int __wlan_hdd_cfg80211_get_key(struct wiphy *wiphy,
return -EINVAL;
}
if (wlan_hdd_validate_session_id(adapter->session_id)) {
hdd_err("Invalid session id: %d", adapter->session_id);
return -EINVAL;
}
hdd_debug("Device_mode %s(%d)",
hdd_device_mode_to_string(adapter->device_mode),
adapter->device_mode);
@ -14673,6 +14678,11 @@ static int __wlan_hdd_cfg80211_get_key(struct wiphy *wiphy,
roam_profile = &(pWextState->roamProfile);
}
if (roam_profile == NULL) {
hdd_err("Get roam profile failed!");
return -EINVAL;
}
switch (roam_profile->EncryptionType.encryptionType[0]) {
case eCSR_ENCRYPT_TYPE_NONE:
params.cipher = IW_AUTH_CIPHER_NONE;