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pci: Fix the wrong assertion.

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pci_add_capability returns a strictly positive value on success,
correct asserts.

Cc: dmitry@daynix.com
Cc: jasowang@redhat.com
Cc: kraxel@redhat.com
Cc: alex.williamson@redhat.com
Cc: armbru@redhat.com
Cc: marcel@redhat.com
Signed-off-by: Mao Zhongyi <maozy.fnst@cn.fujitsu.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Mao Zhongyi 2017-06-27 14:16:49 +08:00 committed by Michael S. Tsirkin
parent eacbc63211
commit 9a815774bb
4 changed files with 4 additions and 4 deletions
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2
hw/net/e1000e.c
View File

@ -374,7 +374,7 @@ e1000e_add_pm_capability(PCIDevice *pdev, uint8_t offset, uint16_t pmc)
{
int ret = pci_add_capability(pdev, PCI_CAP_ID_PM, offset, PCI_PM_SIZEOF);
if (ret >= 0) {
if (ret > 0) {
pci_set_word(pdev->config + offset + PCI_PM_PMC,
PCI_PM_CAP_VER_1_1 |
pmc);

2
hw/net/eepro100.c
View File

@ -571,7 +571,7 @@ static void e100_pci_reset(EEPRO100State * s)
int cfg_offset = 0xdc;
int r = pci_add_capability(&s->dev, PCI_CAP_ID_PM,
cfg_offset, PCI_PM_SIZEOF);
assert(r >= 0);
assert(r > 0);
pci_set_word(pci_conf + cfg_offset + PCI_PM_PMC, 0x7e21);
#if 0 /* TODO: replace dummy code for power management emulation. */
/* TODO: Power Management Control / Status. */

2
hw/usb/hcd-xhci.c
View File

@ -3419,7 +3419,7 @@ static void usb_xhci_realize(struct PCIDevice *dev, Error **errp)
if (pci_bus_is_express(dev->bus) ||
xhci_get_flag(xhci, XHCI_FLAG_FORCE_PCIE_ENDCAP)) {
ret = pcie_endpoint_cap_init(dev, 0xa0);
assert(ret >= 0);
assert(ret > 0);
}
if (xhci->msix != ON_OFF_AUTO_OFF) {

2
hw/vfio/pci.c
View File

@ -1744,7 +1744,7 @@ static int vfio_setup_pcie_cap(VFIOPCIDevice *vdev, int pos, uint8_t size,
}
pos = pci_add_capability(&vdev->pdev, PCI_CAP_ID_EXP, pos, size);
if (pos >= 0) {
if (pos > 0) {
vdev->pdev.exp.exp_cap = pos;
}