pinctrl: tegra-xusb: Don't leak configurations
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>
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parent
9067bbe598
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c61c2d7071
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@ -20,6 +20,7 @@
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#include <linux/pinctrl/pinmux.h>
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#include <linux/platform_device.h>
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#include <linux/reset.h>
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#include <linux/slab.h>
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#include <dt-bindings/pinctrl/pinctrl-tegra-xusb.h>
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@ -171,7 +172,7 @@ static int tegra_xusb_padctl_parse_subnode(struct tegra_xusb_padctl *padctl,
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if (err == -EINVAL)
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continue;
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return err;
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goto out;
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}
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config = TEGRA_XUSB_PADCTL_PACK(properties[i].param, value);
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@ -179,7 +180,7 @@ static int tegra_xusb_padctl_parse_subnode(struct tegra_xusb_padctl *padctl,
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err = pinctrl_utils_add_config(padctl->pinctrl, &configs,
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&num_configs, config);
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if (err < 0)
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return err;
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goto out;
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}
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if (function)
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@ -190,14 +191,14 @@ static int tegra_xusb_padctl_parse_subnode(struct tegra_xusb_padctl *padctl,
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err = of_property_count_strings(np, "nvidia,lanes");
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if (err < 0)
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return err;
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goto out;
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reserve *= err;
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err = pinctrl_utils_reserve_map(padctl->pinctrl, maps, reserved_maps,
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num_maps, reserve);
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if (err < 0)
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return err;
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goto out;
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of_property_for_each_string(np, "nvidia,lanes", prop, group) {
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if (function) {
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@ -205,7 +206,7 @@ static int tegra_xusb_padctl_parse_subnode(struct tegra_xusb_padctl *padctl,
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reserved_maps, num_maps, group,
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function);
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if (err < 0)
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return err;
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goto out;
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}
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if (num_configs) {
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@ -214,11 +215,15 @@ static int tegra_xusb_padctl_parse_subnode(struct tegra_xusb_padctl *padctl,
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configs, num_configs,
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PIN_MAP_TYPE_CONFIGS_GROUP);
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if (err < 0)
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return err;
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goto out;
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}
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}
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return 0;
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err = 0;
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out:
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kfree(configs);
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return err;
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}
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static int tegra_xusb_padctl_dt_node_to_map(struct pinctrl_dev *pinctrl,
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