Re: [patch] fnic: pci_dma_mapping_error() doesn't return an error code

[Martin K. Petersen]

> "Dan" == Dan Carpenter  writes:

Dan> pci_dma_mapping_error() returns true on error and false on success.
Dan> Fixes: fd6ddfa4c1dd ('fnic: check pci_map_single() return value')

Applied to 4.8/scsi-queue.

-- 
Martin K. Petersen  Oracle Linux Engineering
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[patch] fnic: pci_dma_mapping_error() doesn't return an error code

[Dan Carpenter]

pci_dma_mapping_error() returns true on error and false on success.

Fixes: fd6ddfa4c1dd ('fnic: check pci_map_single() return value')
Signed-off-by: Dan Carpenter 

diff --git a/drivers/scsi/fnic/fnic_fcs.c b/drivers/scsi/fnic/fnic_fcs.c
index 67669a9..f3a3331 100644
--- a/drivers/scsi/fnic/fnic_fcs.c
+++ b/drivers/scsi/fnic/fnic_fcs.c
@@ -954,8 +954,8 @@ int fnic_alloc_rq_frame(struct vnic_rq *rq)
skb_put(skb, len);
pa = pci_map_single(fnic->pdev, skb->data, len, PCI_DMA_FROMDEVICE);
 
-   r = pci_dma_mapping_error(fnic->pdev, pa);
-   if (r) {
+   if (pci_dma_mapping_error(fnic->pdev, pa)) {
+   r = -ENOMEM;
printk(KERN_ERR "PCI mapping failed with error %d\n", r);
goto free_skb;
}
@@ -1093,8 +1093,8 @@ 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);
 
-   ret = pci_dma_mapping_error(fnic->pdev, pa);
-   if (ret) {
+   if (pci_dma_mapping_error(fnic->pdev, pa)) {
+   ret = -ENOMEM;
printk(KERN_ERR "DMA map failed with error %d\n", ret);
goto free_skb_on_err;
}
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