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Commit 4343fe10 authored by Cyrill Gorcunov's avatar Cyrill Gorcunov Committed by Ingo Molnar
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x86, ioapic: Use snrpintf while set names for IO-APIC resourses 



We should be ready that one day MAX_IO_APICS may raise its
number. To prevent memory overwrite we're to use safe
snprintf while set IO-APIC resourse name.

Signed-off-by: default avatarCyrill Gorcunov <gorcunov@openvz.org>
Cc: Yinghai Lu <yinghai@kernel.org>
LKML-Reference: <20091108155431.GC25940@lenovo>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 46dc281b

arch/x86/kernel/apic/io_apic.c

+1 −1
Original line number Diff line number Diff line
@@ -4066,7 +4066,7 @@ static struct resource * __init ioapic_setup_resources(int nr_ioapics) 
	for (i = 0; i < nr_ioapics; i++) {

		res[i].name = mem;

		res[i].flags = IORESOURCE_MEM | IORESOURCE_BUSY;

		sprintf(mem,  "IOAPIC %u", i);

		snprintf(mem, IOAPIC_RESOURCE_NAME_SIZE, "IOAPIC %u", i);

		mem += IOAPIC_RESOURCE_NAME_SIZE;

	}