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ALSA: ppc/awacs: shut up maybe-uninitialized warning 

The awacs sound driver produces a false-positive warning in ppc64_defconfig:

sound/ppc/awacs.c: In function 'snd_pmac_awacs_init':
include/sound/control.h:219:9: warning: 'master_vol' may be used uninitialized in this function [-Wmaybe-uninitialized]

I haven't come up with a good way to rewrite the code to avoid the
warning, so here is a bad one: I initialize the variable before
the conditionall initialization so gcc no longer has to worry about
it.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
hifive-unleashed-5.1
Arnd Bergmann 2016-07-04 17:07:45 +02:00 committed by Takashi Iwai
parent cf7d7edc7a
commit b268c34e5e
1 changed files with 1 additions and 0 deletions
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sound/ppc/awacs.c
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@ -991,6 +991,7 @@ snd_pmac_awacs_init(struct snd_pmac *chip)
if (err < 0)
return err;
}
master_vol = NULL;
if (pm7500)
err = build_mixers(chip,
ARRAY_SIZE(snd_pmac_awacs_mixers_pmac7500),