From: Markus Elfring <elfr...@users.sourceforge.net>
Date: Thu, 5 Nov 2015 16:12:32 +0100

The acpi_ut_strupr() function tests whether its argument is NULL
and then returns immediately. Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfr...@users.sourceforge.net>
---
 drivers/acpi/acpica/dbcmds.c  | 9 ++-------
 drivers/acpi/acpica/dbinput.c | 5 +----
 2 files changed, 3 insertions(+), 11 deletions(-)

diff --git a/drivers/acpi/acpica/dbcmds.c b/drivers/acpi/acpica/dbcmds.c
index 30414b3..7dcc95a 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 0480254..aa1dcee 100644
--- a/drivers/acpi/acpica/dbinput.c
+++ b/drivers/acpi/acpica/dbinput.c
@@ -622,10 +622,7 @@ 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) {
-- 
2.6.2

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