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qcacld-3.0: Validate KCK pointer in GTK Rekey data

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For FILS based authentication, KCK is not derived. Hence
when GTK Offload feature is enabled, supplicant will not
pass it to driver with gtk rekey data. Putting a check
to validate KCK before copying it to the gtk_req structure.

Change-Id: I7089011b4d3fdc4e4785adbe10de651a1b59a121
CRs-Fixed: 2414445
This commit is contained in:
nakul kachhwaha 2019-03-15 17:45:17 +05:30 • committed by nshrivas
commit a580cc3493
1 changed files with 2 additions and 1 deletions
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3
core/hdd/src/wlan_hdd_cfg80211.c
View file

@ -20171,7 +20171,8 @@ int __wlan_hdd_cfg80211_set_rekey_data(struct wiphy *wiphy,
gtk_req->replay_counter);
wlan_hdd_copy_gtk_kek(gtk_req, data);
qdf_mem_copy(gtk_req->kck, data->kck, NL80211_KCK_LEN);
if (data->kck)
qdf_mem_copy(gtk_req->kck, data->kck, NL80211_KCK_LEN);
gtk_req->is_fils_connection = hdd_is_fils_connection(adapter);
vdev = hdd_objmgr_get_vdev(adapter);
if (!vdev) {