Commit e19f32da authored Jan 03, 2017 by Arvind Yadav Committed by Alex Williamson Jan 04, 2017

vfio-pci: Handle error from pci_iomap



Here, pci_iomap can fail, handle this case release selected
pci regions and return -ENOMEM.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>

parent d293dbaa

drivers/vfio/pci/vfio_pci.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -1142,6 +1142,10 @@ static int vfio_pci_mmap(void device_data, struct vm_area_struct vma)
		return ret;

		vdev->barmap[index] = pci_iomap(pdev, index, 0);
		if (!vdev->barmap[index]) {
		pci_release_selected_regions(pdev, 1 << index);
		return -ENOMEM;
		}
		}

		vma->vm_private_data = vdev;