From: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Date: Mon, 6 May 2019 20:48:47 +0000 (+0900)
Subject: axfer/test: fix uninitialized warning
X-Git-Tag: v1.1.9~1
X-Git-Url: https://git.alsa-project.org/?a=commitdiff_plain;h=0b07c560f7b2f813e31499df58290008584271b5;p=alsa-utils.git

axfer/test: fix uninitialized warning

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: 39d1ab8a0cb4: ('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>
---

diff --git a/axfer/test/mapper-test.c b/axfer/test/mapper-test.c
index 3dfcf50..6b24d54 100644
--- a/axfer/test/mapper-test.c
+++ b/axfer/test/mapper-test.c
@@ -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;