From da03cdfa7a3454a6d66d4ae873525ea2409baf06 Mon Sep 17 00:00:00 2001 From: Andrew Scull Date: Thu, 21 Apr 2022 16:11:00 +0000 Subject: [PATCH] virtio: pci: Fix discovery of device config length The length of the device config was erroneously being taken from the notify capability. Correct this by finding the length in the device capability. Fixes: 550435edf810 ("virtio: pci: Support non-legacy PCI transport device") Signed-off-by: Andrew Scull Reviewed-by: Bin Meng --- 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 fd8a1f3..55d25cb 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); } -- 2.7.4