Commit ac4666a7 authored Mar 03, 2017 by Qi Hou Committed by Greg Kroah-Hartman Mar 18, 2017

i2c: add missing of_node_put in i2c_mux_del_adapters



commit 2e1e4949f9dfb053122785cd73540bb1e61f768b upstream.

Refcount of of_node is increased with of_node_get() in i2c_mux_add_adapter().
It must be decreased with of_node_put() in i2c_mux_del_adapters().

Signed-off-by: Qi Hou <qi.hou@windriver.com>
Reviewed-by: Zhang Xiao <xiao.zhang@windriver.com>
Signed-off-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 06996254

drivers/i2c/i2c-mux.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -429,6 +429,7 @@ void i2c_mux_del_adapters(struct i2c_mux_core *muxc)
		while (muxc->num_adapters) {
		struct i2c_adapter *adap = muxc->adapter[--muxc->num_adapters];
		struct i2c_mux_priv *priv = adap->algo_data;
		struct device_node *np = adap->dev.of_node;

		muxc->adapter[muxc->num_adapters] = NULL;

		@@ -438,6 +439,7 @@ void i2c_mux_del_adapters(struct i2c_mux_core *muxc)

		sysfs_remove_link(&priv->adap.dev.kobj, "mux_device");
		i2c_del_adapter(adap);
		of_node_put(np);
		kfree(priv);
		}
		}