qcacld-3.0: Add null check for join req

Check if session or join req is null before accessing.

Change-Id: I6fde6970d72e564b869c83134f1957f45016c31c
CRs-Fixed: 3251024

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

@@ -3599,6 +3599,12 @@ lim_gen_link_specific_probe_rsp(struct mac_context *mac_ctx,
 	uint8_t op_class;
 	uint16_t chan_freq;
 
+	if (!session_entry)
+		return QDF_STATUS_E_NULL_VALUE;
+
+	if (!session_entry->lim_join_req)
+		return status;
+
 	if (session_entry->lim_join_req->is_ml_probe_req_sent &&
 	    rcvd_probe_resp->mlo_ie.mlo_ie_present) {
 

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

@@ -165,7 +165,7 @@ lim_process_probe_rsp_frame(struct mac_context *mac_ctx, uint8_t *rx_Packet_info
 						 mac_ctx->lim.bss_rssi);
 
 	if (QDF_IS_STATUS_ERROR(status)) {
-		pe_debug("Link specific prb rsp generation failed");
+		pe_debug_rl("Link specific prb rsp generation failed");
 		goto end;
 	}