Merge branch 'net-thunderbolt-fix-for-sparse-warnings-and-typos'

Mika Westerberg says:

====================
net: thunderbolt: Fix for sparse warnings and typos

This series tries to fix the rest of the sparse warnings generated
against the driver. While there fix the two typos in comments as well.

The previous version of the series can be found here:
  https://lore.kernel.org/netdev/20230404053636.51597-1-mika.westerberg@linux.intel.com/
====================

Link: https://lore.kernel.org/r/20230411091049.12998-1-mika.westerberg@linux.intel.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/thunderbolt/main.c

@@ -148,7 +148,7 @@ struct tbnet_ring {
 /**
  * struct tbnet - ThunderboltIP network driver private data
  * @svc: XDomain service the driver is bound to
- * @xd: XDomain the service blongs to
+ * @xd: XDomain the service belongs to
  * @handler: ThunderboltIP configuration protocol handler
  * @dev: Networking device
  * @napi: NAPI structure for Rx polling
@@ -764,7 +764,7 @@ static bool tbnet_check_frame(struct tbnet *net, const struct tbnet_frame *tf,
 	 */
 	if (net->skb && net->rx_hdr.frame_count) {
 		/* Check the frame count fits the count field */
-		if (frame_count != net->rx_hdr.frame_count) {
+		if (frame_count != le32_to_cpu(net->rx_hdr.frame_count)) {
 			net->stats.rx_length_errors++;
 			return false;
 		}
@@ -772,8 +772,8 @@ static bool tbnet_check_frame(struct tbnet *net, const struct tbnet_frame *tf,
 		/* Check the frame identifiers are incremented correctly,
 		 * and id is matching.
 		 */
-		if (frame_index != net->rx_hdr.frame_index + 1 ||
-		    frame_id != net->rx_hdr.frame_id) {
+		if (frame_index != le16_to_cpu(net->rx_hdr.frame_index) + 1 ||
+		    frame_id != le16_to_cpu(net->rx_hdr.frame_id)) {
 			net->stats.rx_missed_errors++;
 			return false;
 		}
@@ -873,11 +873,12 @@ static int tbnet_poll(struct napi_struct *napi, int budget)
 					TBNET_RX_PAGE_SIZE - hdr_size);
 		}
 
-		net->rx_hdr.frame_size = frame_size;
-		net->rx_hdr.frame_count = le32_to_cpu(hdr->frame_count);
-		net->rx_hdr.frame_index = le16_to_cpu(hdr->frame_index);
-		net->rx_hdr.frame_id = le16_to_cpu(hdr->frame_id);
-		last = net->rx_hdr.frame_index == net->rx_hdr.frame_count - 1;
+		net->rx_hdr.frame_size = hdr->frame_size;
+		net->rx_hdr.frame_count = hdr->frame_count;
+		net->rx_hdr.frame_index = hdr->frame_index;
+		net->rx_hdr.frame_id = hdr->frame_id;
+		last = le16_to_cpu(net->rx_hdr.frame_index) ==
+		       le32_to_cpu(net->rx_hdr.frame_count) - 1;
 
 		rx_packets++;
 		net->stats.rx_bytes += frame_size;
@@ -990,8 +991,10 @@ static bool tbnet_xmit_csum_and_map(struct tbnet *net, struct sk_buff *skb,
 {
 	struct thunderbolt_ip_frame_header *hdr = page_address(frames[0]->page);
 	struct device *dma_dev = tb_ring_dma_device(net->tx_ring.ring);
-	__wsum wsum = htonl(skb->len - skb_transport_offset(skb));
 	unsigned int i, len, offset = skb_transport_offset(skb);
+	/* Remove payload length from checksum */
+	u32 paylen = skb->len - skb_transport_offset(skb);
+	__wsum wsum = (__force __wsum)htonl(paylen);
 	__be16 protocol = skb->protocol;
 	void *data = skb->data;
 	void *dest = hdr + 1;
@@ -1027,7 +1030,7 @@ static bool tbnet_xmit_csum_and_map(struct tbnet *net, struct sk_buff *skb,
 	/* Data points on the beginning of packet.
 	 * Check is the checksum absolute place in the packet.
 	 * ipcso will update IP checksum.
-	 * tucso will update TCP/UPD checksum.
+	 * tucso will update TCP/UDP checksum.
 	 */
 	if (protocol == htons(ETH_P_IP)) {
 		__sum16 *ipcso = dest + ((void *)&(ip_hdr(skb)->check) - data);