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ALSA: pci/echoaudio: remove 'set but not used' warning

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Fix W=1 warning. One variable is only used in a conditionally-compiled
block, mark as __maybe_unused

sound/pci/echoaudio/echoaudio.c: In function ‘snd_echo_probe’:
sound/pci/echoaudio/echoaudio.c:1958:6: warning: variable ‘i’ set but
not used [-Wunused-but-set-variable]
 1958 |  int i, err;
      |      ^

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20200702193604.169059-7-pierre-louis.bossart@linux.intel.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Pierre-Louis Bossart 2020-07-02 14:35:47 -05:00 committed by Takashi Iwai
parent 3237befae7
commit 8f53cb8e25
1 changed files with 2 additions and 1 deletions
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3
sound/pci/echoaudio/echoaudio.c
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@ -1955,7 +1955,8 @@ static int snd_echo_probe(struct pci_dev *pci,
struct snd_card *card;
struct echoaudio *chip;
char *dsp;
int i, err;
__maybe_unused int i;
int err;
if (dev >= SNDRV_CARDS)
return -ENODEV;