From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Fri, 21 Nov 2014 19:05:50 +0100
The release_and_free_resource() 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>
---
sound/isa/es1688/es1688_lib.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/sound/isa/es1688/es1688_lib.c b/sound/isa/es1688/es1688_lib.c
index b3b4f15..fb259491 100644
--- a/sound/isa/es1688/es1688_lib.c
+++ b/sound/isa/es1688/es1688_lib.c
@@ -614,8 +614,7 @@ static int snd_es1688_free(struct snd_es1688 *chip)
{
if (chip->hardware != ES1688_HW_UNDEF)
snd_es1688_init(chip, 0);
- if (chip->res_port)
- release_and_free_resource(chip->res_port);
+ release_and_free_resource(chip->res_port);
if (chip->irq >= 0)
free_irq(chip->irq, (void *) chip);
if (chip->dma8 >= 0) {
--
2.1.3
--
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