Em Mon, Oct 08, 2012 at 02:34:55PM -0600, David Ahern escreveu: > On 10/8/12 2:19 PM, Arnaldo Carvalho de Melo wrote: > >>+ prev = event->vcpu; > >> event->vcpu = realloc(event->vcpu, > >> event->max_vcpu * sizeof(*event->vcpu)); > >> if (!event->vcpu) { > >>+ free(prev); > >> pr_err("Not enough memory\n");
> >Unfamiliar way of doing it, usually we do it like: > > vcpu = realloc(event->vcpu, event->max_vcpu * sizeof(*event->vcpu)); > > if (!vcpu) { > > pr_err("Not enough memory\n"); > > return -1; > > } > > event->vcpu = vcpu; > >I.e. we don't trow away the old value of event->vcpu. > > right. Command is going to exit on a failure, so leaving the old > value does not have any impact. I can leave the old if you want it > for consistency. I think do it in the familiar way for consistency. - Arnaldo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/