From: Julia Lawall <julia@xxxxxxx> Of_get_parent and of_find_compatible_node do an of_node_get, and thus a corresponding of_code_put is needed in the error case. The problem was found using the following semantic match. (http://www.emn.fr/x-info/coccinelle/) // <smpl> @@ type T,T1,T2; identifier E; statement S; expression x1,x2,x3; int ret; @@ T E; ... * E = \(of_get_parent\|of_find_compatible_node\)(...); if (E == NULL) S ... when != of_node_put(...,(T1)E,...) when != if (E != NULL) { ... of_node_put(...,(T1)E,...); ...} when != x1 = (T1)E when != E = x3; when any if (...) { ... when != of_node_put(...,(T2)E,...) when != if (E != NULL) { ... of_node_put(...,(T2)E,...); ...} when != x2 = (T2)E ( * return; | * return ret; ) } // </smpl> Signed-off-by: Julia Lawall <julia@xxxxxxx> --- diff -u -p a/arch/powerpc/platforms/pseries/reconfig.c b/arch/powerpc/platforms/pseries/reconfig.c --- a/arch/powerpc/platforms/pseries/reconfig.c 2007-07-20 17:45:44.000000000 +0200 +++ b/arch/powerpc/platforms/pseries/reconfig.c 2008-01-01 14:33:54.000000000 +0100 @@ -167,6 +167,7 @@ static int pSeries_reconfig_remove_node( if ((child = of_get_next_child(np, NULL))) { of_node_put(child); + of_node_put(parent); return -EBUSY; } - 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
