On 08/04/2017 03:31 PM, Markus Armbruster wrote: > Same question for allocate_clusters() in parallels.c, commit 5a41e1f, > modified in commit ddd2ef2: > > if (s->data_end + space > bdrv_getlength(bs->file->bs) >> > BDRV_SECTOR_BITS) { > > bdrv_getlength() can fail. Does it do the right thing then? For what > it's worth, the comparison of its value is signed. > > There's another one in parallels_open(): > > if (!(flags & BDRV_O_RESIZE) || !bdrv_has_zero_init(bs->file->bs) || > bdrv_truncate(bs->file, bdrv_getlength(bs->file->bs), > PREALLOC_MODE_OFF, NULL) != 0) { > s->prealloc_mode = PRL_PREALLOC_MODE_FALLOCATE; > } the same as in the previous letter. Saniti checks will not harm. I'll make a patch.
Thank you for the suggestion. Den