[alsa-devel] [PATCH 1/1] ALSA: es1688_lib: Deletion of an unnecessary check before the function call "release_and_free_resource"
From: Markus Elfring elfring@users.sourceforge.net 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@users.sourceforge.net --- 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) {
At Fri, 21 Nov 2014 19:11:47 +0100, SF Markus Elfring wrote:
From: Markus Elfring elfring@users.sourceforge.net 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@users.sourceforge.net
Applied, thanks.
Takashi
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
participants (2)
-
SF Markus Elfring
-
Takashi Iwai