Commit beb7cc82 authored Nov 22, 2006 by Michael Ellerman Committed by Greg Kroah-Hartman Dec 20, 2006

PCI: Only check the HT capability bits in mpic.c



Only compare the exact HT capability bits against HT_CAPTYPE_IRQ,
this is a little paranoid, but doesn't hurt.

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

parent 7a380507

arch/powerpc/sysdev/mpic.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -390,7 +390,7 @@ static void __init mpic_scan_ht_pic(struct mpic mpic, u8 __iomem devbase,
		u8 id = readb(devbase + pos + PCI_CAP_LIST_ID);
		if (id == PCI_CAP_ID_HT) {
		id = readb(devbase + pos + 3);
		if (id == HT_CAPTYPE_IRQ)
		if ((id & HT_5BIT_CAP_MASK) == HT_CAPTYPE_IRQ)
		break;
		}
		}