On Tue, Nov 17, 2015 at 12:22 PM, Hongzhou Yang <hongzhou.yang@xxxxxxxxxxxx> wrote: > configs will kmemdup to dup_configs in pictrl util function. > So configs need to be freed. > > Signed-off-by: Hongzhou Yang <hongzhou.yang@xxxxxxxxxxxx> Reviewed-by: Daniel Kurtz <djkurtz@xxxxxxxxxxxx> > --- > Fix a memleak issue. > > drivers/pinctrl/mediatek/pinctrl-mtk-common.c | 24 ++++++++++++++---------- > 1 file changed, 14 insertions(+), 10 deletions(-) > > diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c > index bbf0230..0f9e416 100644 > --- a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c > +++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c > @@ -520,21 +520,23 @@ static int mtk_pctrl_dt_subnode_to_map(struct pinctrl_dev *pctldev, > if (has_config && num_pins >= 1) > maps_per_pin++; > > - if (!num_pins || !maps_per_pin) > - return -EINVAL; > + if (!num_pins || !maps_per_pin) { > + err = -EINVAL; > + goto exit; > + } > > reserve = num_pins * maps_per_pin; > > err = pinctrl_utils_reserve_map(pctldev, map, > reserved_maps, num_maps, reserve); > if (err < 0) > - goto fail; > + goto exit; > > for (i = 0; i < num_pins; i++) { > err = of_property_read_u32_index(node, "pinmux", > i, &pinfunc); > if (err) > - goto fail; > + goto exit; > > pin = MTK_GET_PIN_NO(pinfunc); > func = MTK_GET_PIN_FUNC(pinfunc); > @@ -543,20 +545,21 @@ static int mtk_pctrl_dt_subnode_to_map(struct pinctrl_dev *pctldev, > func >= ARRAY_SIZE(mtk_gpio_functions)) { > dev_err(pctl->dev, "invalid pins value.\n"); > err = -EINVAL; > - goto fail; > + goto exit; > } > > grp = mtk_pctrl_find_group_by_pin(pctl, pin); > if (!grp) { > dev_err(pctl->dev, "unable to match pin %d to group\n", > pin); > - return -EINVAL; > + err = -EINVAL; > + goto exit; > } > > err = mtk_pctrl_dt_node_to_map_func(pctl, pin, func, grp, map, > reserved_maps, num_maps); > if (err < 0) > - goto fail; > + goto exit; > > if (has_config) { > err = pinctrl_utils_add_map_configs(pctldev, map, > @@ -564,13 +567,14 @@ static int mtk_pctrl_dt_subnode_to_map(struct pinctrl_dev *pctldev, > configs, num_configs, > PIN_MAP_TYPE_CONFIGS_GROUP); > if (err < 0) > - goto fail; > + goto exit; > } > } > > - return 0; > + err = 0; > > -fail: > +exit: > + kfree(configs); > return err; > } > > -- > 1.7.9.5 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ -- To unsubscribe from this list: send the line "unsubscribe linux-gpio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html