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i2c: add missing of_node_put in i2c_mux_del_adapters

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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().

Cc: stable@vger.kernel.org
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>
This commit is contained in:
Qi Hou 2017-03-03 15:57:11 +08:00 committed by Peter Rosin
parent c470abd4fd
commit 2e1e4949f9
1 changed files with 2 additions and 0 deletions
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2
drivers/i2c/i2c-mux.c
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@ -429,6 +429,7 @@ void i2c_mux_del_adapters(struct i2c_mux_core *muxc)
while (muxc->num_adapters) { while (muxc->num_adapters) {
struct i2c_adapter *adap = muxc->adapter[--muxc->num_adapters]; struct i2c_adapter *adap = muxc->adapter[--muxc->num_adapters];
struct i2c_mux_priv *priv = adap->algo_data; struct i2c_mux_priv *priv = adap->algo_data;
struct device_node *np = adap->dev.of_node;
muxc->adapter[muxc->num_adapters] = NULL; 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"); sysfs_remove_link(&priv->adap.dev.kobj, "mux_device");
i2c_del_adapter(adap); i2c_del_adapter(adap);
of_node_put(np);
kfree(priv); kfree(priv);
} }
} }