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| author |   Vladimir Zapolskiy <vz@mleia.com> | 2015-08-26 23:59:33 +0300 |
|---|---|---|
| committer |   Wolfram Sang <wsa@the-dreams.de> | 2015-08-31 22:40:34 +0200 |
| commit | bdbf4a29ee5bbe5b6743ba47bc7b10ec2cba8b21 (patch) | |
| tree | 55e1349545281cc42506557e303913a6aba76780 /drivers/i2c/muxes | |
| parent | i2c: allow specifying separate wakeup interrupt in device tree (diff) | |
| download | wireguard-linux-bdbf4a29ee5bbe5b6743ba47bc7b10ec2cba8b21.tar.xz wireguard-linux-bdbf4a29ee5bbe5b6743ba47bc7b10ec2cba8b21.zip | |
i2c: muxes: fix leaked i2c adapter device node references
Every call of of_parse_phandle() increments user count of found device
node, if OF_DYNAMIC is enabled.
The change fixes all similar addressed cases in drivers/i2c.
Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'drivers/i2c/muxes')
| -rw-r--r-- | drivers/i2c/muxes/i2c-arb-gpio-challenge.c | 1 | ||||
| -rw-r--r-- | drivers/i2c/muxes/i2c-mux-gpio.c | 1 | ||||
| -rw-r--r-- | drivers/i2c/muxes/i2c-mux-pinctrl.c | 1 | ||||
| -rw-r--r-- | drivers/i2c/muxes/i2c-mux-reg.c | 1 |
4 files changed, 4 insertions, 0 deletions
diff --git a/drivers/i2c/muxes/i2c-arb-gpio-challenge.c b/drivers/i2c/muxes/i2c-arb-gpio-challenge.c index 71aac0911bf7..402e3a6c671a 100644 --- a/drivers/i2c/muxes/i2c-arb-gpio-challenge.c +++ b/drivers/i2c/muxes/i2c-arb-gpio-challenge.c @@ -197,6 +197,7 @@ static int i2c_arbitrator_probe(struct platform_device *pdev) return -EINVAL; } arb->parent = of_get_i2c_adapter_by_node(parent_np); + of_node_put(parent_np); if (!arb->parent) { dev_err(dev, "Cannot find parent bus\n"); return -EPROBE_DEFER; diff --git a/drivers/i2c/muxes/i2c-mux-gpio.c b/drivers/i2c/muxes/i2c-mux-gpio.c index 70db99264339..b8e11c16d98c 100644 --- a/drivers/i2c/muxes/i2c-mux-gpio.c +++ b/drivers/i2c/muxes/i2c-mux-gpio.c @@ -76,6 +76,7 @@ static int i2c_mux_gpio_probe_dt(struct gpiomux *mux, return -ENODEV; } adapter = of_find_i2c_adapter_by_node(adapter_np); + of_node_put(adapter_np); if (!adapter) return -EPROBE_DEFER; diff --git a/drivers/i2c/muxes/i2c-mux-pinctrl.c b/drivers/i2c/muxes/i2c-mux-pinctrl.c index b48378c4b40d..b5a982ba8898 100644 --- a/drivers/i2c/muxes/i2c-mux-pinctrl.c +++ b/drivers/i2c/muxes/i2c-mux-pinctrl.c @@ -111,6 +111,7 @@ static int i2c_mux_pinctrl_parse_dt(struct i2c_mux_pinctrl *mux, return -ENODEV; } adapter = of_find_i2c_adapter_by_node(adapter_np); + of_node_put(adapter_np); if (!adapter) { dev_err(mux->dev, "Cannot find parent bus\n"); return -EPROBE_DEFER; diff --git a/drivers/i2c/muxes/i2c-mux-reg.c b/drivers/i2c/muxes/i2c-mux-reg.c index 86d41d36a783..57ec57e0da52 100644 --- a/drivers/i2c/muxes/i2c-mux-reg.c +++ b/drivers/i2c/muxes/i2c-mux-reg.c @@ -106,6 +106,7 @@ static int i2c_mux_reg_probe_dt(struct regmux *mux, return -ENODEV; } adapter = of_find_i2c_adapter_by_node(adapter_np); + of_node_put(adapter_np); if (!adapter) return -EPROBE_DEFER; |