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pinctrl: sunxi: Testing the wrong variable

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Smatch complains that we dereference "map" before testing it for NULL
which is true.  We should be testing "*map" instead.  Also on the error
path, we should free *map and set it to NULL.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Dan Carpenter 2016-11-18 14:35:57 +03:00 • committed by Linus Walleij
parent 04d02c7a5e
commit b3cde198b1
1 changed files with 3 additions and 2 deletions
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5
drivers/pinctrl/sunxi/pinctrl-sunxi.c
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@ -398,13 +398,14 @@ static int sunxi_pctrl_dt_node_to_map(struct pinctrl_dev *pctldev,
* map array * map array
*/ */
*map = krealloc(*map, i * sizeof(struct pinctrl_map), GFP_KERNEL); *map = krealloc(*map, i * sizeof(struct pinctrl_map), GFP_KERNEL);
if (!map) if (!*map)
return -ENOMEM; return -ENOMEM;
return 0; return 0;
err_free_map: err_free_map:
kfree(map); kfree(*map);
*map = NULL;
return ret; return ret;
} }