[PATCH 01/11] virtio: pci: Fix discovery of device config length

Andrew Scull
2022-03-20T11:43:36Z

The length of the device config was erroneously being taken from the
notify capability. Correct this by finding the length in the device
capability.

Signed-off-by: Andrew Scull <ascull@google.com>
---
drivers/virtio/virtio_pci_modern.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/virtio/virtio_pci_modern.c b/drivers/virtio/virtio_pci_modern.c
index fd8a1f3fec..55d25cb81b 100644
--- a/drivers/virtio/virtio_pci_modern.c
+++ b/drivers/virtio/virtio_pci_modern.c
@@ -497,7 +497,7 @@ static int virtio_pci_probe(struct udevice *udev)
*/
device = virtio_pci_find_capability(udev, VIRTIO_PCI_CAP_DEVICE_CFG);
if (device) {
- offset = notify + offsetof(struct virtio_pci_cap, length);
+ offset = device + offsetof(struct virtio_pci_cap, length);
dm_pci_read_config32(udev, offset, &priv->device_len);
}

--
2.35.1.894.gb6a874cedc-goog