diff --git a/drivers/acpi/acpica/dbcmds.c b/drivers/acpi/acpica/dbcmds.c
index 84ab1c2faa04..328c35b323d5 100644
--- a/drivers/acpi/acpica/dbcmds.c
+++ b/drivers/acpi/acpica/dbcmds.c
@@ -1131,13 +1131,8 @@ void acpi_db_trace(char *enable_arg, char *method_arg, char *once_arg)
 	u32 debug_layer = 0;
 	u32 flags = 0;
 
-	if (enable_arg) {
-		acpi_ut_strupr(enable_arg);
-	}
-
-	if (once_arg) {
-		acpi_ut_strupr(once_arg);
-	}
+	acpi_ut_strupr(enable_arg);
+	acpi_ut_strupr(once_arg);
 
 	if (method_arg) {
 		if (acpi_db_trace_method_name) {
diff --git a/drivers/acpi/acpica/dbinput.c b/drivers/acpi/acpica/dbinput.c
index 802779a3d913..6203001baa30 100644
--- a/drivers/acpi/acpica/dbinput.c
+++ b/drivers/acpi/acpica/dbinput.c
@@ -625,9 +625,7 @@ static u32 acpi_db_get_line(char *input_buffer)
 
 	/* Uppercase the actual command */
 
-	if (acpi_gbl_db_args[0]) {
-		acpi_ut_strupr(acpi_gbl_db_args[0]);
-	}
+	acpi_ut_strupr(acpi_gbl_db_args[0]);
 
 	count = i;
 	if (count) {