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util: Check for empty allocation instead of just NULL pointer

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When working on the CAT series one of the changes was that the pointer got
allocated in another part of the code, even when resctrl was not available on
the host system.  However this one particular place neglected that so it needs
to be fixed in order to get the proper error message when requesting
<cachetune/> on HW with no support for it.

Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
This commit is contained in:
Martin Kletzander 2018-01-27 19:00:54 +01:00
parent b7a7912411
commit bd5d07425d
1 changed files with 1 additions and 1 deletions
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src/util/virresctrl.c
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@ -1472,7 +1472,7 @@ virResctrlAllocCreate(virResctrlInfoPtr resctrl,
if (!alloc)
return 0;
if (!resctrl) {
if (virResctrlInfoIsEmpty(resctrl)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("Resource control is not supported on this host"));
return -1;