Author: jhb
Date: Mon Jan 26 14:12:12 2009
New Revision: 187714
URL: http://svn.freebsd.org/changeset/base/187714
Log:
Add missing locking around setting the ppc interrupt handler IVAR.
Reported by: many
Modified:
head/sys/dev/ppbus/ppbconf.c
Modified: head/sys/dev/ppbus/ppbconf.c
==============================================================================
--- head/sys/dev/ppbus/ppbconf.c Mon Jan 26 14:03:39 2009
(r187713)
+++ head/sys/dev/ppbus/ppbconf.c Mon Jan 26 14:12:12 2009
(r187714)
@@ -393,8 +393,10 @@ ppbus_attach(device_t dev)
ppb->ppc_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
RF_SHAREABLE);
if (ppb->ppc_irq_res != NULL) {
+ mtx_lock(ppb->ppc_lock);
error = BUS_WRITE_IVAR(device_get_parent(dev), dev,
PPC_IVAR_INTR_HANDLER, (uintptr_t)&ppbus_intr);
+ mtx_unlock(ppb->ppc_lock);
if (error) {
device_printf(dev, "Unable to set interrupt handler\n");
return (error);
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