Hi Maurizio,
Sorry but it looks like you've forgotten one change in fnic_eth_send().
Maurizio Lombardi <mlombard@xxxxxxxxxx> writes:
> the kernel prints some warnings when compiled with CONFIG_DMA_API_DEBUG.
> This is because the fnic driver doesn't check the return value of
> pci_map_single().
>
> [ 11.942770] scsi host12: fnic
> }
[..]
>
> void fnic_free_rq_buf(struct vnic_rq *rq, struct vnic_rq_buf *buf)
> @@ -981,6 +993,7 @@ void fnic_eth_send(struct fcoe_ctlr *fip, struct sk_buff *skb)
> struct ethhdr *eth_hdr;
> struct vlan_ethhdr *vlan_hdr;
> unsigned long flags;
> + int r;
>
> if (!fnic->vlan_hw_insert) {
> eth_hdr = (struct ethhdr *)skb_mac_header(skb);
> @@ -1003,6 +1016,13 @@ void fnic_eth_send(struct fcoe_ctlr *fip, struct sk_buff *skb)
>
> pa = pci_map_single(fnic->pdev, skb->data, skb->len, PCI_DMA_TODEVICE);
>
> + r = pci_dma_mapping_error(fnic->pdev, pa);
> + if (r) {
> + printk(KERN_ERR "PCI mapping failed with error %d\n", r);
> + kfree_skb(skb);
> + return;
> + }
> +
> spin_lock_irqsave(&fnic->wq_lock[0], flags);
> if (!vnic_wq_desc_avail(wq)) {
> pci_unmap_single(fnic->pdev, pa, skb->len, PCI_DMA_TODEVICE);
> @@ -1071,6 +1091,12 @@ static int fnic_send_frame(struct fnic *fnic, struct fc_frame *fp)
>
> pa = pci_map_single(fnic->pdev, eth_hdr, tot_len, PCI_DMA_TODEVICE);
[..]
Otherwise:
Reviewed-by: Johannes Thumshirn <jthumshirn@xxxxxxx>
--
Johannes Thumshirn Storage
jthumshirn@xxxxxxx +49 911 74053 689
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
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