Stefano Stabellini
2010-May-10 14:20 UTC
[Xen-devel] [PATCH 09/11] Fix possible NULL pointer dereference in print_IO_APIC
Make sure chip_data is not NULL before accessing it. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> --- arch/x86/kernel/apic/io_apic.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c index dc69f28..96f6bba 100644 --- a/arch/x86/kernel/apic/io_apic.c +++ b/arch/x86/kernel/apic/io_apic.c @@ -1690,6 +1690,8 @@ __apicdebuginit(void) print_IO_APIC(void) struct irq_pin_list *entry; cfg = desc->chip_data; + if (!cfg) + continue; entry = cfg->irq_2_pin; if (!entry) continue; -- 1.5.4.3 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel