On Sun, Aug 29, 2010 at 11:52:45AM +0200, Julia Lawall wrote: > 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> > > --- > arch/powerpc/platforms/maple/setup.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/powerpc/platforms/maple/setup.c b/arch/powerpc/platforms/maple/setup.c > index 3fff8d9..fe34c3d 100644 > --- a/arch/powerpc/platforms/maple/setup.c > +++ b/arch/powerpc/platforms/maple/setup.c > @@ -358,6 +358,7 @@ static int __init maple_cpc925_edac_setup(void) > model = (const unsigned char *)of_get_property(np, "model", NULL); > if (!model) { > printk(KERN_ERR "%s: Unabel to get model info\n", __func__); > + of_node_put(np); Acked-by: Grant Likely <grant.likely@xxxxxxxxxxxx> This patch should also fix the exact same problem after a call to of_find_node_by_type() in the same function (line 370). > return -ENODEV; > } > > -- 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
