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ALSA: isa/gus: remove 'set but not used' warning

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Fix W=1 warning by noting variable as __always_unused.

sound/isa/gus/gus_uart.c: In function ‘snd_gf1_interrupt_midi_in’:
sound/isa/gus/gus_uart.c:16:22: warning: variable ‘data’ set but not
used [-Wunused-but-set-variable]
   16 |  unsigned char stat, data, byte;

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20200702193604.169059-3-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 14:35:43 -05:00 committed by Takashi Iwai
parent 65cec1ef25
commit 6a4f2b6947
1 changed files with 2 additions and 1 deletions
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3
sound/isa/gus/gus_uart.c
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@ -13,7 +13,8 @@
static void snd_gf1_interrupt_midi_in(struct snd_gus_card * gus)
{
int count;
unsigned char stat, data, byte;
unsigned char stat, byte;
__always_unused unsigned char data;
unsigned long flags;
count = 10;