scsi: vmw_pvscsi: handle the return value from pci_alloc_irq_vectors correctly
authorChristoph Hellwig <hch@lst.de>
Fri, 3 Mar 2017 14:57:16 +0000 (07:57 -0700)
committerMartin K. Petersen <martin.petersen@oracle.com>
Tue, 7 Mar 2017 03:27:33 +0000 (22:27 -0500)
It returns the number of vectors allocated when successful, so check for
a negative error only.

Fixes: 2e48e349 ("scsi: vmw_pvscsi: switch to pci_alloc_irq_vectors")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reported-by: Loïc Yhuel <loic.yhuel@gmail.com>
Tested-by: Loïc Yhuel <loic.yhuel@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
drivers/scsi/vmw_pvscsi.c

index ef474a7..c374e3b 100644 (file)
@@ -1487,7 +1487,7 @@ static int pvscsi_probe(struct pci_dev *pdev, const struct pci_device_id *id)
                irq_flag &= ~PCI_IRQ_MSI;
 
        error = pci_alloc_irq_vectors(adapter->dev, 1, 1, irq_flag);
-       if (error)
+       if (error < 0)
                goto out_reset_adapter;
 
        adapter->use_req_threshold = pvscsi_setup_req_threshold(adapter, true);