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[Xen-devel] [PATCH] acpi/pmstat.c: refer to the array after range check.

from [Isaku Yamahata]

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Subject:	[Xen-devel] [PATCH] acpi/pmstat.c: refer to the array after range check.
From:	Isaku Yamahata <yamahata@xxxxxxxxxxxxx>
Date:	Fri, 10 Oct 2008 11:32:35 +0900
Cc:	guanqun.lu@xxxxxxxxx, ke.yu@xxxxxxxxx
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acpi/pmstat.c: refer to the array after range check.

make reference to the array after range check.

Signed-off-by: Isaku Yamahata <yamahata@xxxxxxxxxxxxx>

diff -r 16553e1f90dd xen/drivers/acpi/pmstat.c
--- a/xen/drivers/acpi/pmstat.c Fri Oct 10 11:30:17 2008 +0900
+++ b/xen/drivers/acpi/pmstat.c Fri Oct 10 11:31:55 2008 +0900
@@ -50,10 +50,11 @@
 int do_get_pm_info(struct xen_sysctl_get_pmstat *op)
 {
     int ret = 0;
-    const struct processor_pminfo *pmpt = processor_pminfo[op->cpuid];
+    const struct processor_pminfo *pmpt;
 
     if ( (op->cpuid >= NR_CPUS) || !cpu_online(op->cpuid) )
         return -EINVAL;
+    pmpt = processor_pminfo[op->cpuid];
 
     switch ( op->type & PMSTAT_CATEGORY_MASK )
     {


-- 
yamahata

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