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axfer/test: fix uninitialized warning

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This commit fixes uninitialized return value from a call of test_mux() and
text_demux() to suppress warnings below:

$ make check
...
gcc -DHAVE_CONFIG_H -I. -I../../include     -O2 -Wall -pipe -g -MT mapper-test.o -MD -MP -MF .deps/mapper-test.Tpo -c -o mapper-test.o mapper-test.c
mapper-test.c: In function ‘test_mapper’:
mapper-test.c:241:9: warning: ‘err’ may be used uninitialized in this function [-Wmaybe-uninitialized]
  return err;
         ^~~
mapper-test.c:231:5: warning: ‘err’ may be used uninitialized in this function [-Wmaybe-uninitialized]
  if (err < 0)
     ^

Fixes: 39d1ab8a0c: ('axfer: add a unit test for mapper interface')
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Takashi Sakamoto 2019-05-07 05:48:47 +09:00 committed by Jaroslav Kysela
parent 0248c29757
commit 0b07c560f7
1 changed files with 2 additions and 2 deletions
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4
axfer/test/mapper-test.c
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@ -71,7 +71,7 @@ static int test_demux(struct mapper_trial *trial, snd_pcm_access_t access,
unsigned int bytes_per_sample;
uint64_t total_frame_count;
int i;
int err;
int err = 0;
for (i = 0; i < cntr_count; ++i) {
snd_pcm_format_t format;
@ -163,7 +163,7 @@ static int test_mux(struct mapper_trial *trial, snd_pcm_access_t access,
unsigned int bytes_per_sample;
uint64_t total_frame_count;
int i;
int err;
int err = 0;
for (i = 0; i < cntr_count; ++i) {
snd_pcm_format_t format;