5.0-stable review patch. If anyone has any objections, please let me know. ------------------ From: Takashi Iwai <tiwai@xxxxxxx> commit 31d2350d602511efc9ef626b848fe521233b0387 upstream. ac97_of_get_child_device() take the refcount of the node explicitly via of_node_get(), but this leads to an unbalance. The for_each_child_of_node() loop itself takes the refcount for each iteration node, hence you don't need to take the extra refcount again. Fixes: 2225a3e6af78 ("ALSA: ac97: add codecs devicetree binding") Reviewed-by: Robert Jarzmik <robert.jarzmik@xxxxxxx> Signed-off-by: Takashi Iwai <tiwai@xxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- sound/ac97/bus.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/sound/ac97/bus.c +++ b/sound/ac97/bus.c @@ -84,7 +84,7 @@ ac97_of_get_child_device(struct ac97_con if ((idx != of_property_read_u32(node, "reg", ®)) || !of_device_is_compatible(node, compat)) continue; - return of_node_get(node); + return node; } return NULL;