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| author | Stefan Eßer <se@FreeBSD.org> | 1997-01-23 22:58:03 +0000 |
|---|---|---|
| committer | Stefan Eßer <se@FreeBSD.org> | 1997-01-23 22:58:03 +0000 |
| commit | a67fa10338ca70d5645855c20de08f12fd200971 (patch) | |
| tree | da86d931f86e66c44a481528581fbb25fadd7120 /sys/dev | |
| parent | 0d3f983ad2c2a2713dcd12030883d4859e9e1bb0 (diff) | |
| download | src-a67fa10338ca70d5645855c20de08f12fd200971.tar.gz src-a67fa10338ca70d5645855c20de08f12fd200971.zip | |
Make IRQ 0 invalid in pci_map_int(), since it is hardwired to the
programmable interval timer chip in PC systems.
Notes
Notes:
svn path=/head/; revision=21965
Diffstat (limited to 'sys/dev')
| -rw-r--r-- | sys/dev/pci/pci.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/dev/pci/pci.c b/sys/dev/pci/pci.c index 08ad7d97f1e8..23c110909df6 100644 --- a/sys/dev/pci/pci.c +++ b/sys/dev/pci/pci.c @@ -1315,7 +1315,7 @@ int pci_map_int (pcici_t tag, pci_inthand_t *func, void *arg, unsigned *maskptr) */ irq = getirq (tag); - if (irq >= PCI_MAX_IRQ) { + if ((irq == 0) || (irq >= PCI_MAX_IRQ)) { printf ("\tillegal irq %d.\n", irq); return (0); }; |