From: Wang Qing <wangq...@vivo.com> for_each_available_child_of_node() should decrement the node reference counter. Reported by Coccinelle:
arch/powerpc/platforms/powermac/low_i2c.c:916:1-23: WARNING: Function "for_each_child_of_node" should have of_node_put() before return. Signed-off-by: Wang Qing <wangq...@vivo.com> --- arch/powerpc/platforms/powermac/low_i2c.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/platforms/powermac/low_i2c.c b/arch/powerpc/platforms/powermac/low_i2c.c index f77a59b..5a8c306 --- a/arch/powerpc/platforms/powermac/low_i2c.c +++ b/arch/powerpc/platforms/powermac/low_i2c.c @@ -922,8 +922,10 @@ static void __init smu_i2c_probe(void) sz = sizeof(struct pmac_i2c_bus) + sizeof(struct smu_i2c_cmd); bus = kzalloc(sz, GFP_KERNEL); - if (bus == NULL) + if (bus == NULL) { + of_node_put(busnode); return; + } bus->controller = controller; bus->busnode = of_node_get(busnode); -- 2.7.4