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-rw-r--r--arch/ia64/kernel/acpi.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
index 1d29b2f8726b..1dacbf5e9e09 100644
--- a/arch/ia64/kernel/acpi.c
+++ b/arch/ia64/kernel/acpi.c
@@ -504,6 +504,11 @@ acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma)
if (!(ma->flags & ACPI_SRAT_MEM_ENABLED))
return -1;
+ if (num_node_memblks >= NR_NODE_MEMBLKS) {
+ pr_err("NUMA: too many memblk ranges\n");
+ return -EINVAL;
+ }
+
/* record this node in proximity bitmap */
pxm_bit_set(pxm);