pci: Change error_report to assert(3)

Asserts are used for developer bugs. As registering a bar of the wrong
size is not something that should be possible for a user to achieve,
this is a developer bug.

While here, use the more obvious helper function.

Signed-off-by: Ben Widawsky <ben.widawsky@intel.com>
Message-Id: <20201015181411.89104-1-ben.widawsky@intel.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
This commit is contained in:
Ben Widawsky 2020-10-15 11:14:10 -07:00 committed by Michael S. Tsirkin
parent 4c70875372
commit 2c729dc8ce

View File

@ -1151,11 +1151,7 @@ void pci_register_bar(PCIDevice *pci_dev, int region_num,
assert(region_num >= 0);
assert(region_num < PCI_NUM_REGIONS);
if (size & (size-1)) {
error_report("ERROR: PCI region size must be pow2 "
"type=0x%x, size=0x%"FMT_PCIBUS"", type, size);
exit(1);
}
assert(is_power_of_2(size));
r = &pci_dev->io_regions[region_num];
r->addr = PCI_BAR_UNMAPPED;