Got it, thanks. > -----Original Message----- > From: SF Markus Elfring [mailto:elfring@xxxxxxxxxxxxxxxxxxxxx] > Sent: Wednesday, June 24, 2015 4:46 AM > To: Len Brown; Zheng, Lv; Wysocki, Rafael J; Moore, Robert; linux- > acpi@xxxxxxxxxxxxxxx; devel@xxxxxxxxxx > Cc: LKML; kernel-janitors@xxxxxxxxxxxxxxx; Julia Lawall > Subject: [PATCH] ACPICA: Delete an unnecessary check before the function > call "acpi_ds_delete_walk_state" > > From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx> > Date: Wed, 24 Jun 2015 13:33:47 +0200 > > The acpi_ds_delete_walk_state() 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 <elfring@xxxxxxxxxxxxxxxxxxxxx> > --- > drivers/acpi/acpica/dsmethod.c | 5 +---- > 1 file changed, 1 insertion(+), 4 deletions(-) > > diff --git a/drivers/acpi/acpica/dsmethod.c > b/drivers/acpi/acpica/dsmethod.c index 85bb951..188b254 100644 > --- a/drivers/acpi/acpica/dsmethod.c > +++ b/drivers/acpi/acpica/dsmethod.c > @@ -574,10 +574,7 @@ cleanup: > /* On error, we must terminate the method properly */ > > acpi_ds_terminate_control_method(obj_desc, next_walk_state); > - if (next_walk_state) { > - acpi_ds_delete_walk_state(next_walk_state); > - } > - > + acpi_ds_delete_walk_state(next_walk_state); > return_ACPI_STATUS(status); > } > > -- > 2.4.4 ��.n��������+%������w��{.n����z�ޗ�����n�r������&��z�ޗ�zf���h���~����������_��+v���)ߣ�
