diff --git a/drivers/thunderbolt/eeprom.c b/drivers/thunderbolt/eeprom.c
index 5681c17f82ec..2a13fa6888ba 100644
--- a/drivers/thunderbolt/eeprom.c
+++ b/drivers/thunderbolt/eeprom.c
@@ -394,9 +394,16 @@ static int tb_drom_parse_entry_port(struct tb_switch *sw,
 			return -EIO;
 		}
 		port->link_nr = entry->link_nr;
-		if (entry->has_dual_link_port)
+		if (entry->has_dual_link_port) {
+			if (entry->dual_link_port_nr > sw->config.max_port_number) {
+				tb_sw_warn(sw,
+					"port entry has invalid dual link port number %u\n",
+					entry->dual_link_port_nr);
+				return -EIO;
+			}
 			port->dual_link_port =
 				&port->sw->ports[entry->dual_link_port_nr];
+		}
 	}
 	return 0;
 }
diff --git a/drivers/thunderbolt/icm.c b/drivers/thunderbolt/icm.c
index 10fefac3b1d9..669807f0eaf8 100644
--- a/drivers/thunderbolt/icm.c
+++ b/drivers/thunderbolt/icm.c
@@ -2341,7 +2341,7 @@ static int icm_usb4_switch_op(struct tb_switch *sw, u16 opcode, u32 *metadata,
 	if (tx_data_len) {
 		request.data_len_valid |= ICM_USB4_SWITCH_DATA_VALID;
 		if (tx_data_len < ARRAY_SIZE(request.data))
-			request.data_len_valid =
+			request.data_len_valid |=
 				tx_data_len & ICM_USB4_SWITCH_DATA_LEN_MASK;
 		memcpy(request.data, tx_data, tx_data_len * sizeof(u32));
 	}
diff --git a/drivers/thunderbolt/nhi.c b/drivers/thunderbolt/nhi.c
index 0f795ea58756..35e3c119d5ee 100644
--- a/drivers/thunderbolt/nhi.c
+++ b/drivers/thunderbolt/nhi.c
@@ -1226,6 +1226,8 @@ int nhi_probe(struct tb_nhi *nhi)
 			return dev_err_probe(dev, res, "NHI specific init failed\n");
 	}
 
+	init_completion(&nhi->domain_released);
+
 	tb = nhi_select_cm(nhi);
 	if (!tb)
 		return dev_err_probe(dev, -ENODEV,
@@ -1233,8 +1235,6 @@ int nhi_probe(struct tb_nhi *nhi)
 
 	dev_dbg(dev, "NHI initialized, starting thunderbolt\n");
 
-	init_completion(&nhi->domain_released);
-
 	res = tb_domain_add(tb, host_reset);
 	if (res) {
 		/*
diff --git a/drivers/thunderbolt/stream.c b/drivers/thunderbolt/stream.c
index c1f5c55583d0..4cc86d8d6491 100644
--- a/drivers/thunderbolt/stream.c
+++ b/drivers/thunderbolt/stream.c
@@ -257,7 +257,7 @@ static void tbstream_ring_free(struct tbstream_ring *ring)
 
 		if (sf->frame.buffer_phy)
 			dma_unmap_page(dma_dev, sf->frame.buffer_phy,
-				       tb_ring_frame_size(&sf->frame), dir);
+				       TB_MAX_FRAME_SIZE, dir);
 		sf->frame.buffer_phy = 0;
 		if (sf->page)
 			__free_page(sf->page);
diff --git a/drivers/thunderbolt/tb.c b/drivers/thunderbolt/tb.c
index 76323255439a..f43f2d952372 100644
--- a/drivers/thunderbolt/tb.c
+++ b/drivers/thunderbolt/tb.c
@@ -609,7 +609,7 @@ static int tb_consumed_dp_bandwidth(struct tb *tb,
 				    int *consumed_up,
 				    int *consumed_down)
 {
-	int group_reserved[MAX_GROUPS] = {};
+	int group_reserved[MAX_GROUPS + 1] = {};
 	struct tb_cm *tcm = tb_priv(tb);
 	struct tb_tunnel *tunnel;
 	bool downstream;