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-rw-r--r--drivers/platform/x86/panasonic-laptop.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/platform/x86/panasonic-laptop.c b/drivers/platform/x86/panasonic-laptop.c
index 05be30ee158b..ffff8b4b4949 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;
}