Julia Lawall schrieb: > Add a call to of_node_put in the error handling code following a call to > of_find_node_by_path. > > The semantic match that finds this problem is as follows: > (http://coccinelle.lip6.fr/) > > // <smpl> > @r exists@ > local idexpression x; > expression E,E1; > statement S; > @@ > > *x = > (of_find_node_by_path > |of_find_node_by_name > |of_find_node_by_phandle > |of_get_parent > |of_get_next_parent > |of_get_next_child > |of_find_compatible_node > |of_match_node > )(...); > ... > if (x == NULL) S > <... when != x = E > *if (...) { > ... when != of_node_put(x) > when != if (...) { ... of_node_put(x); ... } > ( > return <+...x...+>; > | > * return ...; > ) > } > ...> > of_node_put(x); > // </smpl> > > Signed-off-by: Julia Lawall <julia@xxxxxxx> > > --- > drivers/macintosh/via-pmu-led.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/drivers/macintosh/via-pmu-led.c b/drivers/macintosh/via-pmu-led.c > index d242976..19c3718 100644 > --- a/drivers/macintosh/via-pmu-led.c > +++ b/drivers/macintosh/via-pmu-led.c > @@ -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). re, wh -- 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
