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authorCyrill Gorcunov <gorcunov@openvz.org>2009-11-08 18:54:31 +0300
committerIngo Molnar <mingo@elte.hu>2009-11-08 17:06:23 +0100
commit4343fe1024e09e17667f95620ed3e69a7a5f4389 (patch)
tree1de7224068779bafd828ad2291cad1406b6a10b4 /arch
parent46dc281b1bb02527195fe2ad50a3af6d7f7f7325 (diff)
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: Cyrill Gorcunov <gorcunov@openvz.org> Cc: Yinghai Lu <yinghai@kernel.org> LKML-Reference: <20091108155431.GC25940@lenovo> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/kernel/apic/io_apic.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 9ee1c1628c1..24d1458a182 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -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;
}