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ASoC: component: suppress uninitialized-variable warning

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Old versions of gcc (tested on gcc-4.8) produce a warning for
correct code:

sound/soc/soc-compress.c: In function 'soc_compr_open':
sound/soc/soc-compress.c:75:28: error: 'component' is used uninitialized in this function [-Werror=uninitialized]
  struct snd_soc_component *component, *save = NULL;

Change the for_each_rtd_components() macro to ensure 'component'
gets initialized to a value the compiler does not complain about.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20200428214754.3925368-1-arnd@arndb.de
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Arnd Bergmann 2020-04-28 23:47:31 +02:00 committed by Mark Brown
parent eda12425b2
commit be16a0f0dc
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1 changed files with 1 additions and 1 deletions
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include/sound/soc.h
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@ -1179,7 +1179,7 @@ struct snd_soc_pcm_runtime {
#define asoc_rtd_to_codec(rtd, n) (rtd)->dais[n + (rtd)->num_cpus]
#define for_each_rtd_components(rtd, i, component) \
for ((i) = 0; \
for ((i) = 0, component = NULL; \
((i) < rtd->num_components) && ((component) = rtd->components[i]);\
(i)++)
#define for_each_rtd_cpu_dais(rtd, i, dai) \