1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/acpi/executer/exoparg3.c b/drivers/acpi/executer/exoparg3.c
index 483365777670..2ea1c322970b 100644
--- a/drivers/acpi/executer/exoparg3.c
+++ b/drivers/acpi/executer/exoparg3.c
@@ -223,8 +223,8 @@ acpi_status acpi_ex_opcode_3A_1T_1R(struct acpi_walk_state *walk_state)
                         goto cleanup;
                 }
 
-                if (length > 0) {
-                        /* Copy the portion requested */
+                if (buffer) {
+                        /* We have a buffer, copy the portion requested */
 
                         ACPI_MEMCPY(buffer, operand[0]->string.pointer + index,
                                     length);