qcacld-3.0: Fix dsc_vdev leak when create exist softap

If add softap which name already exist, wlan_hdd_allow_sap_add() will
return the exist softap, which check as valid wdev in function
_wlan_hdd_add_virtual_intf(), so we created useless dsc_vdev for this
duplicanted softap, and upper layer has no chance to delete it because
it only has unique softap.

Fix it by removing wlan_hdd_allow_sap_add() checking because kernel
will check duplicated naming when register interface.

Change-Id: Ic6ffa793a678cfdeb43ecd6c472e8a70c8a150f1
CRs-Fixed: 2661354
1 file changed