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Input: sun4i-lradc-keys - add of_node_put() before return 

Each iteration of for_each_child_of_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. Hence add an of_node_put before the
return in three places.
Issue found with Coccinelle.

Signed-off-by: Nishka Dasgupta <nishkadg.linux@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Nishka Dasgupta 2019-07-11 23:49:16 -07:00 committed by Dmitry Torokhov
parent 1976d7d200
commit 071cfc43c8
1 changed files with 3 additions and 0 deletions
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3
drivers/input/keyboard/sun4i-lradc-keys.c
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@ -207,18 +207,21 @@ static int sun4i_lradc_load_dt_keymap(struct device *dev,
error = of_property_read_u32(pp, "channel", &channel);
if (error || channel != 0) {
dev_err(dev, "%pOFn: Inval channel prop\n", pp);
of_node_put(pp);
return -EINVAL;
}
error = of_property_read_u32(pp, "voltage", &map->voltage);
if (error) {
dev_err(dev, "%pOFn: Inval voltage prop\n", pp);
of_node_put(pp);
return -EINVAL;
}
error = of_property_read_u32(pp, "linux,code", &map->keycode);
if (error) {
dev_err(dev, "%pOFn: Inval linux,code prop\n", pp);
of_node_put(pp);
return -EINVAL;
}