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virsh: Don't read nparams when virDomainGetMemoryParameters fails

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Also exit early when nparams is 0.
This commit is contained in:
Matthias Bolte 2010-10-20 14:16:28 +02:00
parent 916f95b7aa
commit 076cf3a0bd
1 changed files with 9 additions and 4 deletions
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13
tools/virsh.c
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@ -2941,17 +2941,22 @@ cmdMemtune(vshControl * ctl, const vshCmd * cmd)
if (nparams == 0) {
/* get the number of memory parameters */
if ((virDomainGetMemoryParameters(dom, NULL, &nparams, 0) != 0) &&
(nparams != 0)) {
if (virDomainGetMemoryParameters(dom, NULL, &nparams, 0) != 0) {
vshError(ctl, "%s",
_("Unable to get number of memory parameters"));
goto cleanup;
}
if (nparams == 0) {
/* nothing to output */
ret = TRUE;
goto cleanup;
}
/* now go get all the memory parameters */
params = vshMalloc(ctl, sizeof(virMemoryParameter) * nparams);
memset(params, 0, sizeof(virMemoryParameter) * nparams);
if (virDomainGetMemoryParameters(dom, params, &nparams, 0)) {
if (virDomainGetMemoryParameters(dom, params, &nparams, 0) != 0) {
vshError(ctl, "%s", _("Unable to get memory parameters"));
goto cleanup;
}
@ -3026,7 +3031,7 @@ cmdMemtune(vshControl * ctl, const vshCmd * cmd)
}
}
if (virDomainSetMemoryParameters(dom, params, nparams, 0) != 0)
vshError(ctl, "%s", _("Unable to change Memory Parameters"));
vshError(ctl, "%s", _("Unable to change memory parameters"));
else
ret = TRUE;
}