1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/platform/x86/panasonic-laptop.c b/drivers/platform/x86/panasonic-laptop.c
index 05be30ee158..ffff8b4b494 100644
--- a/drivers/platform/x86/panasonic-laptop.c
+++ b/drivers/platform/x86/panasonic-laptop.c
@@ -562,8 +562,8 @@ static int acpi_pcc_hotkey_add(struct acpi_device *device)
 
         num_sifr = acpi_pcc_get_sqty(device);
 
-        if (num_sifr > 255) {
-                ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "num_sifr too large"));
+        if (num_sifr < 0 || num_sifr > 255) {
+                ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "num_sifr out of range"));
                 return -ENODEV;
         }