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Date: Fri, 3 Mar 2017 07:58:06 -0700 From: Christoph Hellwig <hch@....de> To: gregkh@...uxfoundation.org Cc: linux-kernel@...r.kernel.org, loic.yhuel@...il.com Subject: [PATCH] vmw_vmci: handle the return value from pci_alloc_irq_vectors correctly It returns the number of vectors allocated when successful, so check for a negative error only. Fixes: 3bb434cd ("vmw_vmci: switch to pci_irq_alloc_vectors") Signed-off-by: Christoph Hellwig <hch@....de> Reported-by: Loïc Yhuel <loic.yhuel@...il.com> --- drivers/misc/vmw_vmci/vmci_guest.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/misc/vmw_vmci/vmci_guest.c b/drivers/misc/vmw_vmci/vmci_guest.c index 9d659542a335..dad5abee656e 100644 --- a/drivers/misc/vmw_vmci/vmci_guest.c +++ b/drivers/misc/vmw_vmci/vmci_guest.c @@ -566,10 +566,10 @@ static int vmci_guest_probe_device(struct pci_dev *pdev, */ error = pci_alloc_irq_vectors(pdev, VMCI_MAX_INTRS, VMCI_MAX_INTRS, PCI_IRQ_MSIX); - if (error) { + if (error < 0) { error = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_MSIX | PCI_IRQ_MSI | PCI_IRQ_LEGACY); - if (error) + if (error < 0) goto err_remove_bitmap; } else { vmci_dev->exclusive_vectors = true; -- 2.11.0
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