qcacld-3.0: Fix the possible NULL dereference

qcacld-2.0 to qcacld-3.0 propagation

lim_get_ie_ptr_new will return NULL if the IE parameters
are not valid, so add NULL check for ie_ptr to avoid
NULL dereference

Change-Id: I1ecc8c4ed6456ebcfd85fe62534b9913ba31dcd9
CRs-Fixed: 869026

core/mac/src/pe/lim/lim_process_sme_req_messages.c

@@ -4766,6 +4766,13 @@ static void lim_set_pdev_ht_ie(tpAniSirGlobal mac_ctx, uint8_t pdev_id,
 			p_ie = lim_get_ie_ptr_new(mac_ctx, ie_params->ie_ptr,
 					ie_params->ie_len,
 					DOT11F_EID_HTCAPS, ONE_BYTE);
+			if (NULL == p_ie) {
+				qdf_mem_free(ie_params->ie_ptr);
+				qdf_mem_free(ie_params);
+				lim_log(mac_ctx, LOGE,
+						FL("failed to get IE ptr"));
+				return;
+			}
 			p_ht_cap = (tHtCaps *)&p_ie[2];
 			p_ht_cap->supportedMCSSet[1] = 0;
 			p_ht_cap->txSTBC = 0;
@@ -4835,6 +4842,13 @@ static void lim_set_pdev_vht_ie(tpAniSirGlobal mac_ctx, uint8_t pdev_id,
 			p_ie = lim_get_ie_ptr_new(mac_ctx, ie_params->ie_ptr,
 					ie_params->ie_len,
 					DOT11F_EID_VHTCAPS, ONE_BYTE);
+			if (NULL == p_ie) {
+				qdf_mem_free(ie_params->ie_ptr);
+				qdf_mem_free(ie_params);
+				lim_log(mac_ctx, LOGE,
+						FL("failed to get IE ptr"));
+				return;
+			}
 			vht_cap = (tSirMacVHTCapabilityInfo *)&p_ie[2];
 			vht_cap->txSTBC = 0;
 			vht_mcs =