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x86, ioapic: Use snrpintf while set names for IO-APIC resourses

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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: Cyrill Gorcunov <gorcunov@openvz.org>
Cc: Yinghai Lu <yinghai@kernel.org>
LKML-Reference: <20091108155431.GC25940@lenovo>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Cyrill Gorcunov 2009-11-08 18:54:31 +03:00 committed by Ingo Molnar
parent 46dc281b1b
commit 4343fe1024
1 changed files with 1 additions and 1 deletions
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arch/x86/kernel/apic/io_apic.c
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@ -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;
}