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path: root/drivers/acpi/cppc_acpi.c
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Diffstat (limited to 'drivers/acpi/cppc_acpi.c')
-rw-r--r--drivers/acpi/cppc_acpi.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/acpi/cppc_acpi.c b/drivers/acpi/cppc_acpi.c
index 2826bd45c61a..0521b1d4c2fd 100644
--- a/drivers/acpi/cppc_acpi.c
+++ b/drivers/acpi/cppc_acpi.c
@@ -738,6 +738,11 @@ int acpi_cppc_processor_probe(struct acpi_processor *pr)
cpc_obj = &out_obj->package.elements[0];
if (cpc_obj->type == ACPI_TYPE_INTEGER) {
num_ent = cpc_obj->integer.value;
+ if (num_ent <= 1) {
+ pr_debug("Unexpected _CPC NumEntries value (%d) for CPU:%d\n",
+ num_ent, pr->id);
+ goto out_free;
+ }
} else {
pr_debug("Unexpected entry type(%d) for NumEntries\n",
cpc_obj->type);