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openvz: refactor openvzDomainGetBarrierLimit

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Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Ján Tomko 2021-12-13 19:24:07 +01:00
parent 5c7c1db2f5
commit 0d47463356
1 changed files with 7 additions and 11 deletions
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18
src/openvz/openvz_driver.c
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@ -1515,37 +1515,33 @@ openvzDomainGetBarrierLimit(virDomainPtr domain,
unsigned long long *barrier,
unsigned long long *limit)
{
int ret = -1;
char *endp, *output = NULL;
char *endp;
g_autofree char *output = NULL;
const char *tmp;
virCommand *cmd = virCommandNewArgList(VZLIST, "--no-header", NULL);
g_autoptr(virCommand) cmd = virCommandNewArgList(VZLIST, "--no-header", NULL);
virCommandSetOutputBuffer(cmd, &output);
virCommandAddArgFormat(cmd, "-o%s.b,%s.l", param, param);
virCommandAddArg(cmd, domain->name);
if (virCommandRun(cmd, NULL) < 0)
goto cleanup;
return -1;
tmp = output;
virSkipSpaces(&tmp);
if (virStrToLong_ull(tmp, &endp, 10, barrier) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Can't parse limit from vzlist output '%s'"), output);
goto cleanup;
return -1;
}
tmp = endp;
virSkipSpaces(&tmp);
if (virStrToLong_ull(tmp, &endp, 10, limit) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Can't parse barrier from vzlist output '%s'"), output);
goto cleanup;
return -1;
}
ret = 0;
cleanup:
VIR_FREE(output);
virCommandFree(cmd);
return ret;
return 0;
}