diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
index f8856cc1e7bda9fc196d17190308dfb61c522c53..c93ff83e8eeb3b910fdf8cf925f618840aed0596 100644
--- a/drivers/acpi/apei/ghes.c
+++ b/drivers/acpi/apei/ghes.c
@@ -197,6 +197,21 @@ static void unmap_gen_v2(struct ghes *ghes)
 	apei_unmap_generic_address(&ghes->generic_v2->read_ack_register);
 }
 
+static void ghes_ack_error(struct acpi_hest_generic_v2 *gv2)
+{
+	int rc;
+	u64 val = 0;
+
+	rc = apei_read(&val, &gv2->read_ack_register);
+	if (rc)
+		return;
+
+	val &= gv2->read_ack_preserve << gv2->read_ack_register.bit_offset;
+	val |= gv2->read_ack_write    << gv2->read_ack_register.bit_offset;
+
+	apei_write(val, &gv2->read_ack_register);
+}
+
 static struct ghes *ghes_new(struct acpi_hest_generic *generic)
 {
 	struct ghes *ghes;
@@ -361,6 +376,13 @@ static void ghes_clear_estatus(struct ghes *ghes, u64 buf_paddr)
 
 	ghes_copy_tofrom_phys(ghes->estatus, buf_paddr,
 			      sizeof(ghes->estatus->block_status), 0);
+
+	/*
+	 * GHESv2 type HEST entries introduce support for error acknowledgment,
+	 * so only acknowledge the error if this support is present.
+	 */
+	if (is_hest_type_generic_v2(ghes))
+		ghes_ack_error(ghes->generic_v2);
 }
 
 static void ghes_handle_memory_failure(struct acpi_hest_generic_data *gdata, int sev)
@@ -652,21 +674,6 @@ static void ghes_estatus_cache_add(
 	rcu_read_unlock();
 }
 
-static int ghes_ack_error(struct acpi_hest_generic_v2 *gv2)
-{
-	int rc;
-	u64 val = 0;
-
-	rc = apei_read(&val, &gv2->read_ack_register);
-	if (rc)
-		return rc;
-
-	val &= gv2->read_ack_preserve << gv2->read_ack_register.bit_offset;
-	val |= gv2->read_ack_write    << gv2->read_ack_register.bit_offset;
-
-	return apei_write(val, &gv2->read_ack_register);
-}
-
 static void __ghes_panic(struct ghes *ghes, u64 buf_paddr)
 {
 	__ghes_print_estatus(KERN_EMERG, ghes->generic, ghes->estatus);
@@ -701,16 +708,6 @@ static int ghes_proc(struct ghes *ghes)
 out:
 	ghes_clear_estatus(ghes, buf_paddr);
 
-	if (rc == -ENOENT)
-		return rc;
-
-	/*
-	 * GHESv2 type HEST entries introduce support for error acknowledgment,
-	 * so only acknowledge the error if this support is present.
-	 */
-	if (is_hest_type_generic_v2(ghes))
-		return ghes_ack_error(ghes->generic_v2);
-
 	return rc;
 }