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xf86drm: rename drmSameDevice to drmCompareBusInfo 

Move away form the boolean name, change the return value
appropriately and check if either argument is NULL.

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
main
Emil Velikov 2015-09-07 13:51:54 +01:00
parent a250fceaaa
commit bc2aca9e22
1 changed files with 8 additions and 6 deletions
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14
xf86drm.c
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@ -2893,20 +2893,22 @@ static int drmParsePciBusInfo(int maj, int min, drmPciBusInfoPtr info)
return 0;
}
static int drmSameDevice(drmDevicePtr a, drmDevicePtr b)
static int drmCompareBusInfo(drmDevicePtr a, drmDevicePtr b)
{
if (a == NULL || b == NULL)
return -1;
if (a->bustype != b->bustype)
return 0;
return -1;
switch (a->bustype) {
case DRM_BUS_PCI:
if (memcmp(a->businfo.pci, b->businfo.pci, sizeof(drmPciBusInfo)) == 0)
return 1;
return memcmp(a->businfo.pci, b->businfo.pci, sizeof(drmPciBusInfo));
default:
break;
}
return 0;
return -1;
}
static int drmGetNodeType(const char *name)
@ -3104,7 +3106,7 @@ int drmGetDevices(drmDevicePtr devices[], int max_devices)
for (j = i+1; j < node_count; j++) {
if (duplicated[i] || duplicated[j])
continue;
if (drmSameDevice(&devs[i], &devs[j])) {
if (drmCompareBusInfo(&devs[i], &devs[j]) == 0) {
duplicated[j] = 1;
devs[i].available_nodes |= devs[j].available_nodes;
node_type = log2(devs[j].available_nodes);