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-rw-r--r--drivers/pci/msi.c14
1 files changed, 2 insertions, 12 deletions
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index d5b9b94a2ac5..b6dc69ef80a7 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -525,12 +525,7 @@ void pci_disable_msi(struct pci_dev* dev)
525 struct msi_desc *entry; 525 struct msi_desc *entry;
526 int default_irq; 526 int default_irq;
527 527
528 if (!pci_msi_enable) 528 if (!pci_msi_enable || !dev || !dev->msi_enabled)
529 return;
530 if (!dev)
531 return;
532
533 if (!dev->msi_enabled)
534 return; 529 return;
535 530
536 msi_set_enable(dev, 0); 531 msi_set_enable(dev, 0);
@@ -656,12 +651,7 @@ static void msix_free_all_irqs(struct pci_dev *dev)
656 651
657void pci_disable_msix(struct pci_dev* dev) 652void pci_disable_msix(struct pci_dev* dev)
658{ 653{
659 if (!pci_msi_enable) 654 if (!pci_msi_enable || !dev || !dev->msix_enabled)
660 return;
661 if (!dev)
662 return;
663
664 if (!dev->msix_enabled)
665 return; 655 return;
666 656
667 msix_set_enable(dev, 0); 657 msix_set_enable(dev, 0);