Sign Up
Log In
Log In
or
Sign Up
Places
All Projects
Status Monitor
Collapse sidebar
DISCONTINUED:openSUSE:11.1:Update
xen
18795-x86-ioapic-guest-write.patch
Overview
Repositories
Revisions
Requests
Users
Attributes
Meta
File 18795-x86-ioapic-guest-write.patch of Package xen
# HG changeset patch # User Keir Fraser <keir.fraser@citrix.com> # Date 1227111099 0 # Node ID bddd2d344c5425bfd25564bc20f90c3776552c6e # Parent 4107618ee0d8aceb517f43ffa79197a041ed4bcf x86: secure ioapic_guest_write() against FREE_TO_ASSIGN irq values Signed-off-by: Jan Beulich <jbeulich@novell.com> --- a/xen/arch/x86/io_apic.c +++ b/xen/arch/x86/io_apic.c @@ -2199,7 +2199,7 @@ int ioapic_guest_write(unsigned long phy if ( new_rte.vector >= FIRST_DYNAMIC_VECTOR ) new_irq = vector_irq[new_rte.vector]; - if ( (old_irq != new_irq) && (old_irq != -1) && IO_APIC_IRQ(old_irq) ) + if ( (old_irq != new_irq) && (old_irq >= 0) && IO_APIC_IRQ(old_irq) ) { if ( irq_desc[IO_APIC_VECTOR(old_irq)].action ) { @@ -2211,7 +2211,7 @@ int ioapic_guest_write(unsigned long phy remove_pin_at_irq(old_irq, apic, pin); } - if ( (new_irq != -1) && IO_APIC_IRQ(new_irq) ) + if ( (new_irq >= 0) && IO_APIC_IRQ(new_irq) ) { if ( irq_desc[IO_APIC_VECTOR(new_irq)].action ) {
Locations
Projects
Search
Status Monitor
Help
OpenBuildService.org
Documentation
API Documentation
Code of Conduct
Contact
Support
@OBShq
Terms
openSUSE Build Service is sponsored by
The Open Build Service is an
openSUSE project
.
Sign Up
Log In
Places
Places
All Projects
Status Monitor