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authorMark Kettenis <kettenis@cvs.openbsd.org>2010-04-21 21:16:44 +0000
committerMark Kettenis <kettenis@cvs.openbsd.org>2010-04-21 21:16:44 +0000
commit3876e5092f6c74a2ef7d5b67fa302a59471c74c1 (patch)
tree99c56047d06dfe2aff2d81b25c72b860a1f58657 /sys/dev
parentdc0116c32e66edfc72e9cf2762abd20e56a59bd2 (diff)
Directly comparing pcitag_t's doesn't work on all platforms so decompose the
tag and compare the individual components.
Diffstat (limited to 'sys/dev')
-rw-r--r--sys/dev/pci/pci.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/sys/dev/pci/pci.c b/sys/dev/pci/pci.c
index c0abc728ba3..70e06b13fdb 100644
--- a/sys/dev/pci/pci.c
+++ b/sys/dev/pci/pci.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: pci.c,v 1.74 2010/04/21 18:55:40 kettenis Exp $ */
+/* $OpenBSD: pci.c,v 1.75 2010/04/21 21:16:43 kettenis Exp $ */
/* $NetBSD: pci.c,v 1.31 1997/06/06 23:48:04 thorpej Exp $ */
/*
@@ -988,6 +988,7 @@ pciioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p)
case PCIOCSETVGA:
{
struct pci_vga *vga = (struct pci_vga *)data;
+ int bus, device, function;
switch (vga->pv_lock) {
case PCI_VGA_UNLOCK:
@@ -1016,7 +1017,11 @@ pciioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p)
}
pci_vga_proc = p;
- if (tag != pci_vga_tag) {
+ pci_decompose_tag(pci_vga_pci->sc_pc, pci_vga_tag,
+ &bus, &device, &function);
+ if (bus != vga->pv_sel.pc_bus ||
+ device != vga->pv_sel.pc_dev ||
+ function != vga->pv_sel.pc_func) {
pci_disable_vga(pci_vga_pci->sc_pc, pci_vga_tag);
if (pci != pci_vga_pci) {
pci_unroute_vga(pci_vga_pci);