Commit a7428cd2 authored Aug 01, 2009 by Cyrill Gorcunov Committed by Ingo Molnar Aug 05, 2009

x86, ioapic: Throw BUG instead of NULL dereference



Instead of plain NULL deref we better throw error
message with a backtrace. Actually we need more
gracious error handling here. Meanwhile leave it
as is.

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Cc: yinghai@kernel.org
LKML-Reference: <20090801075435.769301745@openvz.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

parent 2977fb3f

arch/x86/kernel/apic/io_apic.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -503,6 +503,10 @@ static void add_pin_to_irq_node(struct irq_cfg *cfg, int node, int apic, int pin
		}

		entry = get_one_free_irq_2_pin(node);
		if (!entry) {
		printk(KERN_ERR "can not alloc irq_pin_list\n");
		BUG_ON(1);
		}
		entry->apic = apic;
		entry->pin = pin;