ALSA: pci/echoaudio: remove 'set but not used' warning
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>
diff --git a/sound/pci/echoaudio/echoaudio.c b/sound/pci/echoaudio/echoaudio.c
index 0941a7a..bee3271 100644
--- a/sound/pci/echoaudio/echoaudio.c
+++ b/sound/pci/echoaudio/echoaudio.c
@@ -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;