commit
dd7328e4c53649c1c7ec36bc1cf5b229b8662047 upstream.
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 <dan.carpenter@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
skb_put(skb, len);
pa = pci_map_single(fnic->pdev, skb->data, len, PCI_DMA_FROMDEVICE);
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;
}
printk(KERN_ERR "PCI mapping failed with error %d\n", r);
goto free_skb;
}
pa = pci_map_single(fnic->pdev, eth_hdr, tot_len, PCI_DMA_TODEVICE);
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;
}
printk(KERN_ERR "DMA map failed with error %d\n", ret);
goto free_skb_on_err;
}