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pinctrl: pinctrl-imx: free if of_get_parent fails to get the parent node

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of_get_parent can return null if no parent node found, so the allocated new_map
should be freed.

Signed-off-by: Devendra Naga <[email protected]>
Acked-by: Dong Aisheng <[email protected]>
Signed-off-by: Linus Walleij <[email protected]>
This commit is contained in:
Devendra Naga 2012-06-07 22:19:26 +05:30 • committed by Linus Walleij
commit c71157c54a
1 changed files with 3 additions and 1 deletions
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4
drivers/pinctrl/pinctrl-imx.c
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@ -173,8 +173,10 @@ static int imx_dt_node_to_map(struct pinctrl_dev *pctldev,
/* create mux map */
parent = of_get_parent(np);
if (!parent)
if (!parent) {
kfree(new_map);
return -EINVAL;
}
new_map[0].type = PIN_MAP_TYPE_MUX_GROUP;
new_map[0].data.mux.function = parent->name;
new_map[0].data.mux.group = np->name;