ALSA: es1688_lib: Deletion of an unnecessary check before the function call "release_...

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>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/isa/es1688/es1688_lib.c b/sound/isa/es1688/es1688_lib.c
index de810e4..b545014 100644 (file)
--- 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) {