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| author | Nishka Dasgupta <nishkadg.linux@gmail.com> | 2019-07-16 11:29:08 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-07-22 07:34:15 +0200 |
| commit | c4011dde241d371972788a735cd1b5d547991d46 (patch) | |
| tree | 89964cba5ec68197e68cbb6748a7cb1a1fba04ce /drivers/staging/mt7621-pinctrl | |
| parent | 2125a44149cdf6be61fdabce898d26e9ba37dcd0 (diff) | |
| download | linux-c4011dde241d371972788a735cd1b5d547991d46.tar.bz2 | |
staging: mt7621-pinctrl: Add of_node_put() before return
Each iteration of for_each_compatible_node puts the previous node, but
in the case of a return from the middle of the loop, there is no put,
thus causing a memory leak. Add an of_node_put before the return.
Issue found with Coccinelle.
Signed-off-by: Nishka Dasgupta <nishkadg.linux@gmail.com>
Link: https://lore.kernel.org/r/20190716055908.3183-1-nishkadg.linux@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/mt7621-pinctrl')
| -rw-r--r-- | drivers/staging/mt7621-pinctrl/pinctrl-rt2880.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/staging/mt7621-pinctrl/pinctrl-rt2880.c b/drivers/staging/mt7621-pinctrl/pinctrl-rt2880.c index 9b52d44abef1..d0f06790d38f 100644 --- a/drivers/staging/mt7621-pinctrl/pinctrl-rt2880.c +++ b/drivers/staging/mt7621-pinctrl/pinctrl-rt2880.c @@ -358,12 +358,15 @@ static int rt2880_pinmux_probe(struct platform_device *pdev) gpiobase = of_get_property(np, "ralink,gpio-base", NULL); if (!ngpio || !gpiobase) { dev_err(&pdev->dev, "failed to load chip info\n"); + of_node_put(np); return -EINVAL; } range = devm_kzalloc(p->dev, sizeof(*range), GFP_KERNEL); - if (!range) + if (!range) { + of_node_put(np); return -ENOMEM; + } range->name = "pio"; range->npins = __be32_to_cpu(*ngpio); range->base = __be32_to_cpu(*gpiobase); |