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pinctrl: tegra-xusb: Don't leak configurations

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The pinctrl config helpers make a separate copy of the configuration, so
callers must make sure to free any dynamically allocated memory that was
used to store it.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Thierry Reding 2014-10-16 12:12:22 +02:00 committed by Linus Walleij
parent 9067bbe598
commit c61c2d7071
1 changed files with 12 additions and 7 deletions
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19
drivers/pinctrl/pinctrl-tegra-xusb.c
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@ -20,6 +20,7 @@
#include <linux/pinctrl/pinmux.h>
#include <linux/platform_device.h>
#include <linux/reset.h>
#include <linux/slab.h>
#include <dt-bindings/pinctrl/pinctrl-tegra-xusb.h>
@ -171,7 +172,7 @@ static int tegra_xusb_padctl_parse_subnode(struct tegra_xusb_padctl *padctl,
if (err == -EINVAL)
continue;
return err;
goto out;
}
config = TEGRA_XUSB_PADCTL_PACK(properties[i].param, value);
@ -179,7 +180,7 @@ static int tegra_xusb_padctl_parse_subnode(struct tegra_xusb_padctl *padctl,
err = pinctrl_utils_add_config(padctl->pinctrl, &configs,
&num_configs, config);
if (err < 0)
return err;
goto out;
}
if (function)
@ -190,14 +191,14 @@ static int tegra_xusb_padctl_parse_subnode(struct tegra_xusb_padctl *padctl,
err = of_property_count_strings(np, "nvidia,lanes");
if (err < 0)
return err;
goto out;
reserve *= err;
err = pinctrl_utils_reserve_map(padctl->pinctrl, maps, reserved_maps,
num_maps, reserve);
if (err < 0)
return err;
goto out;
of_property_for_each_string(np, "nvidia,lanes", prop, group) {
if (function) {
@ -205,7 +206,7 @@ static int tegra_xusb_padctl_parse_subnode(struct tegra_xusb_padctl *padctl,
reserved_maps, num_maps, group,
function);
if (err < 0)
return err;
goto out;
}
if (num_configs) {
@ -214,11 +215,15 @@ static int tegra_xusb_padctl_parse_subnode(struct tegra_xusb_padctl *padctl,
configs, num_configs,
PIN_MAP_TYPE_CONFIGS_GROUP);
if (err < 0)
return err;
goto out;
}
}
return 0;
err = 0;
out:
kfree(configs);
return err;
}
static int tegra_xusb_padctl_dt_node_to_map(struct pinctrl_dev *pinctrl,