1 files changed, 6 insertions, 5 deletions

diff --git a/arch/x86/kernel/pci-calgary_64.c b/arch/x86/kernel/pci-calgary_64.c
index 218d783ed7a8..363a74ec7a76 100644
--- a/arch/x86/kernel/pci-calgary_64.c
+++ b/arch/x86/kernel/pci-calgary_64.c
@@ -1269,13 +1269,15 @@ static inline int __init determine_tce_table_size(u64 ram)
 static int __init build_detail_arrays(void)
 {
         unsigned long ptr;
-        int i, scal_detail_size, rio_detail_size;
+        unsigned numnodes, i;
+        int scal_detail_size, rio_detail_size;
 
-        if (rio_table_hdr->num_scal_dev > MAX_NUMNODES){
+        numnodes = rio_table_hdr->num_scal_dev;
+        if (numnodes > MAX_NUMNODES){
                 printk(KERN_WARNING
                         "Calgary: MAX_NUMNODES too low! Defined as %d, "
                         "but system has %d nodes.\n",
-                        MAX_NUMNODES, rio_table_hdr->num_scal_dev);
+                        MAX_NUMNODES, numnodes);
                 return -ENODEV;
         }
 
@@ -1296,8 +1298,7 @@ static int __init build_detail_arrays(void)
         }
 
         ptr = ((unsigned long)rio_table_hdr) + 3;
-        for (i = 0; i < rio_table_hdr->num_scal_dev;
-                    i++, ptr += scal_detail_size)
+        for (i = 0; i < numnodes; i++, ptr += scal_detail_size)
                 scal_devs[i] = (struct scal_detail *)ptr;
 
         for (i = 0; i < rio_table_hdr->num_rio_dev;