From: Liao Pingfang <liao.pingfang@xxxxxxxxxx> After finishing using device node got from of_find_compatible_node(), of_node_put() needs to be called. Signed-off-by: Liao Pingfang <liao.pingfang@xxxxxxxxxx> --- sound/soc/fsl/mpc8610_hpcd.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sound/soc/fsl/mpc8610_hpcd.c b/sound/soc/fsl/mpc8610_hpcd.c index f7bd900..b3090fe 100644 --- a/sound/soc/fsl/mpc8610_hpcd.c +++ b/sound/soc/fsl/mpc8610_hpcd.c @@ -426,9 +426,11 @@ static int __init mpc8610_hpcd_init(void) guts_np = of_find_compatible_node(NULL, NULL, "fsl,mpc8610-guts"); if (of_address_to_resource(guts_np, 0, &res)) { pr_err("mpc8610-hpcd: missing/invalid global utilities node\n"); + of_node_put(guts_np); return -EINVAL; } guts_phys = res.start; + of_node_put(guts_np); return platform_driver_register(&mpc8610_hpcd_driver); } -- 2.9.5