diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c
index f77d01c84463ff69f2469449de1c785e4048f18e..1a58e2f09c743c22a38e26f0516583736db24d65 100644
--- a/drivers/acpi/nfit/core.c
+++ b/drivers/acpi/nfit/core.c
@@ -2900,6 +2900,7 @@ static int ars_register(struct acpi_nfit_desc *acpi_desc,
 
 	switch (acpi_nfit_query_poison(acpi_desc)) {
 	case 0:
+	case -ENOSPC:
 	case -EAGAIN:
 		rc = ars_start(acpi_desc, nfit_spa, ARS_REQ_SHORT);
 		/* shouldn't happen, try again later */
@@ -2924,7 +2925,6 @@ static int ars_register(struct acpi_nfit_desc *acpi_desc,
 		break;
 	case -EBUSY:
 	case -ENOMEM:
-	case -ENOSPC:
 		/*
 		 * BIOS was using ARS, wait for it to complete (or
 		 * resources to become available) and then perform our