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openvz: check the exitstatus of vzlist

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I noticed this while auditing all calls to virCommandRun that request
an exit status from virCommandRun. Two functions in the openvz driver

  openvzDomainGetBarrierLimit
  openvzDomainSetBarrierLimit

request an exit status from virCommandRun (thus assuring that
virCommandRun won't log any errors just due to a non-0 exit status),
but then fail to examine that exit status. This could result in the
functions believing that the call to "vzlist" was successful, even
though it may have encountered an error.
This commit is contained in:
Laine Stump 2012-08-24 01:43:19 -04:00
parent 352cbae8b3
commit 46dc643232
1 changed files with 2 additions and 2 deletions
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4
src/openvz/openvz_driver.c
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@ -1707,7 +1707,7 @@ openvzDomainGetBarrierLimit(virDomainPtr domain,
virCommandSetOutputBuffer(cmd, &output);
virCommandAddArgFormat(cmd, "-o%s.b,%s.l", param, param);
virCommandAddArg(cmd, domain->name);
if (virCommandRun(cmd, &status)) {
if (virCommandRun(cmd, &status) < 0 || status != 0) {
virReportError(VIR_ERR_OPERATION_FAILED,
_("Failed to get %s for %s: %d"), param, domain->name,
status);
@ -1758,7 +1758,7 @@ openvzDomainSetBarrierLimit(virDomainPtr domain,
virCommandAddArgFormat(cmd, "--%s", param);
virCommandAddArgFormat(cmd, "%llu:%llu", barrier, limit);
virCommandAddArg(cmd, "--save");
if (virCommandRun(cmd, &status)) {
if (virCommandRun(cmd, &status) < 0 || status != 0) {
virReportError(VIR_ERR_OPERATION_FAILED,
_("Failed to set %s for %s: %d"), param, domain->name,
status);