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gpio: palmas: fix a possible NULL dereference 

of_match_device could return NULL, and so cause a NULL pointer
dereference later.

Reported-by: coverity (CID 1130700)
Signed-off-by: LABBE Corentin <clabbe.montjoie@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
LABBE Corentin 2015-11-11 21:27:36 +01:00 committed by Linus Walleij
parent 853f0cb860
commit 5664de25fa
1 changed files with 2 additions and 0 deletions
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2
drivers/gpio/gpio-palmas.c
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@ -167,6 +167,8 @@ static int palmas_gpio_probe(struct platform_device *pdev)
const struct palmas_device_data *dev_data; const struct palmas_device_data *dev_data;
match = of_match_device(of_palmas_gpio_match, &pdev->dev); match = of_match_device(of_palmas_gpio_match, &pdev->dev);
if (!match)
return -ENODEV;
dev_data = match->data; dev_data = match->data;
if (!dev_data) if (!dev_data)
dev_data = &palmas_dev_data; dev_data = &palmas_dev_data;