Author: rpaulo
Date: Sun Apr 21 08:35:38 2013
New Revision: 249718
URL: http://svnweb.freebsd.org/changeset/base/249718
Log:
Fix an off by one calculation in wiipic_dispatch().
Modified:
head/sys/powerpc/wii/wii_pic.c
Modified: head/sys/powerpc/wii/wii_pic.c
==============================================================================
--- head/sys/powerpc/wii/wii_pic.c Sun Apr 21 07:48:38 2013
(r249717)
+++ head/sys/powerpc/wii/wii_pic.c Sun Apr 21 08:35:38 2013
(r249718)
@@ -156,7 +156,10 @@ wiipic_dispatch(device_t dev, struct tra
uint32_t irq;
sc = device_get_softc(dev);
- irq = ffs(wiipic_icr_read(sc) & wiipic_imr_read(sc));
+ irq = wiipic_icr_read(sc) & wiipic_imr_read(sc);
+ if (irq == 0)
+ return;
+ irq = ffs(irq) - 1;
KASSERT(irq < WIIPIC_NIRQ, ("bogus irq %d", irq));
powerpc_dispatch_intr(sc->sc_vector[irq], tf);
}
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