On Tue, Aug 31, 2010 at 06:08:19PM +0200, Julia Lawall wrote: > On Tue, 31 Aug 2010, walter harms wrote: > > > @@ -92,8 +92,10 @@ static int __init via_pmu_led_init(void) > > > if (dt == NULL) > > > return -ENODEV; > > > model = of_get_property(dt, "model", NULL); > > > - if (model == NULL) > > > + if (model == NULL) { > > > + of_node_put(dt); > > > return -ENODEV; > > > + } > > > if (strncmp(model, "PowerBook", strlen("PowerBook")) != 0 && > > > strncmp(model, "iBook", strlen("iBook")) != 0 && > > > strcmp(model, "PowerMac7,2") != 0 && > > > > > > > is there any rule that says when to use strncmp ? it seems perfecly valid to use strcpy here > > (what is done in the last cmp). > > Perhaps there are some characters after eg PowerBook that one doesn't want > to compare with? Yes. The model property on powermacs always has the version number. strncmp makes sure that *all* PowerBooks and iBooks are matched. g. -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html