qcacld-3.0: protect mgmt flow in SSR case

qcacld-2.0 to qcacld-3.0 propagation

Fix the race condition, between 2 kernel worker threads
while shutdown is in progress.

Change-Id: I6e71ae55c57dac8c2adb36167783615e218cb481
CRs-Fixed: 834362

core/wma/src/wma_mgmt.c

@@ -3140,6 +3140,11 @@ static int wma_mgmt_rx_process(void *handle, uint8_t *data,
 		return -EINVAL;
 	}
 
+	if (cds_is_driver_recovering()) {
+		WMA_LOGW(FL("Recovery in progress"));
+		return -EINVAL;
+	}
+
 	qdf_mem_zero(rx_pkt, sizeof(*rx_pkt));
 
 	/*