As mentioned at drivers/base/core.c: /* * NOTE: _Never_ directly free @dev after calling this function, even * if it returned an error! Always use put_device() to give up the * reference initialized in this function instead. */ so we don't free vp_dev until vp_dev->vdev.dev.release be called. Signed-off-by: weiping zhang <zhangweiping@xxxxxxxxxxxxxxx> --- drivers/virtio/virtio_pci_common.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/virtio/virtio_pci_common.c b/drivers/virtio/virtio_pci_common.c index 1c4797e..21a2ce0 100644 --- a/drivers/virtio/virtio_pci_common.c +++ b/drivers/virtio/virtio_pci_common.c @@ -564,7 +564,10 @@ static int virtio_pci_probe(struct pci_dev *pci_dev, err_probe: pci_disable_device(pci_dev); err_enable_device: - kfree(vp_dev); + if (VIRTIO_CONFIG_S_ACKNOWLEDGE & virtio_get_status(&vp_dev->vdev)) + put_device(&vp_dev->vdev.dev); + else + kfree(vp_dev); return rc; } -- 2.9.4 _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization
