xen/pt: xen_host_pci_config_read returns -errno, not -1 on failure

However the init routines assume that on errors the return
code is -1 (as the libxc API is) - while those xen_host_* routines follow
another paradigm - negative errno on return, 0 on success.

Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
This commit is contained in:
Konrad Rzeszutek Wilk 2015-06-29 13:58:17 -04:00 committed by Stefano Stabellini
parent cf8124f007
commit 52c7265f60

View File

@ -729,7 +729,7 @@ static int xen_pt_initfn(PCIDevice *d)
/* Initialize virtualized PCI configuration (Extended 256 Bytes) */
if (xen_host_pci_get_block(&s->real_device, 0, d->config,
PCI_CONFIG_SPACE_SIZE) == -1) {
PCI_CONFIG_SPACE_SIZE) < 0) {
xen_host_pci_device_put(&s->real_device);
return -1;
}