From: Mika Westerberg Date: Tue, 11 Apr 2023 09:10:48 +0000 (+0300) Subject: net: thunderbolt: Fix sparse warnings in tbnet_xmit_csum_and_map() X-Git-Tag: v6.4-rc1~77^2~123^2~1 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=5bbec0adfa03899cbf91ba99d4fdb4975d30a631;p=linux-block.git net: thunderbolt: Fix sparse warnings in tbnet_xmit_csum_and_map() Fixes the following warning when the driver is built with sparse checks enabled: main.c:993:23: warning: incorrect type in initializer (different base types) main.c:993:23: expected restricted __wsum [usertype] wsum main.c:993:23: got restricted __be32 [usertype] No functional changes intended. Signed-off-by: Mika Westerberg Reviewed-by: Simon Horman Reviewed-by: Andy Shevchenko Signed-off-by: Jakub Kicinski --- diff --git a/drivers/net/thunderbolt/main.c b/drivers/net/thunderbolt/main.c index 27f8573a2b6e..6a43ced74881 100644 --- a/drivers/net/thunderbolt/main.c +++ b/drivers/net/thunderbolt/main.c @@ -991,8 +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;