diff --git a/arch/arm64/kernel/mpam/mpam_device.c b/arch/arm64/kernel/mpam/mpam_device.c
index 86aaf52146bc248898d2b9ddc97e7a26a68d6759..fd538fd22c6e797fbdab6dd88477146b6b47b1fb 100644
--- a/arch/arm64/kernel/mpam/mpam_device.c
+++ b/arch/arm64/kernel/mpam/mpam_device.c
@@ -435,7 +435,7 @@ static irqreturn_t mpam_handle_error_irq(int irq, void *data)
 		return IRQ_NONE;
 
 	/* No-one expects MPAM errors! */
-	if (device_errcode <= _MPAM_NUM_ERRCODE)
+	if (device_errcode < _MPAM_NUM_ERRCODE)
 		pr_err_ratelimited("unexpected error '%s' [esr:%x]\n",
 					mpam_msc_err_str[device_errcode],
 					device_esr);