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alsactl: fix error handling for sched_setscheduler() call

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As man page says: "If successful, the sched_setparam() function shall return zero."

Without update I got this output in the syslog (journalctl):
abr 16 09:25:30 mypc alsactl[1652]: alsactl 1.2.2 daemon started
abr 16 09:25:30 mypc alsactl[1652]: /usr/bin/alsactl: do_nice:165sched_setparam failed: No such file or directory

If sched_setscheduler() returns 0, so it means that the call was successful.

Signed-off-by: Oscar Megía <megia.oscar@gmail.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Oscar65 2020-04-16 12:35:21 +02:00 committed by Jaroslav Kysela
parent 5fe6b86659
commit d2bf87608a
1 changed files with 1 additions and 1 deletions
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2
alsactl/alsactl.c
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@ -161,7 +161,7 @@ static void do_nice(int use_nice, int sched_idle)
if (sched_idle) {
if (sched_getparam(0, &sched_param) >= 0) {
sched_param.sched_priority = 0;
if (!sched_setscheduler(0, SCHED_IDLE, &sched_param))
if (sched_setscheduler(0, SCHED_IDLE, &sched_param) < 0)
error("sched_setparam failed: %s", strerror(errno));
} else {
error("sched_getparam failed: %s", strerror(errno));