Firstly, we realloc internal list to hold new item (=volume that will be potentially be created) and then we check whether we actually know how to create it. If we don't we consume more memory than we really need for no good reason.
Signed-off-by: Michal Privoznik <mpriv...@redhat.com> --- src/storage/storage_driver.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/src/storage/storage_driver.c b/src/storage/storage_driver.c index 8ee2840..e0ded01 100644 --- a/src/storage/storage_driver.c +++ b/src/storage/storage_driver.c @@ -1856,10 +1856,6 @@ storageVolCreateXML(virStoragePoolPtr obj, goto cleanup; } - if (VIR_REALLOC_N(pool->volumes.objs, - pool->volumes.count+1) < 0) - goto cleanup; - if (!backend->createVol) { virReportError(VIR_ERR_NO_SUPPORT, "%s", _("storage pool does not support volume " @@ -1867,6 +1863,10 @@ storageVolCreateXML(virStoragePoolPtr obj, goto cleanup; } + if (VIR_REALLOC_N(pool->volumes.objs, + pool->volumes.count+1) < 0) + goto cleanup; + /* Wipe any key the user may have suggested, as volume creation * will generate the canonical key. */ VIR_FREE(voldef->key); -- 2.4.10 -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list