Messages in this thread Patch in this message | | | From | LABBE Corentin <> | Subject | [PATCH 3/3] gpio: palmas: fix a possible NULL dereference | Date | Wed, 11 Nov 2015 21:27:36 +0100 |
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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> --- drivers/gpio/gpio-palmas.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/gpio/gpio-palmas.c b/drivers/gpio/gpio-palmas.c index 171a638..52b447c 100644 --- a/drivers/gpio/gpio-palmas.c +++ b/drivers/gpio/gpio-palmas.c @@ -167,6 +167,8 @@ static int palmas_gpio_probe(struct platform_device *pdev) const struct palmas_device_data *dev_data; match = of_match_device(of_palmas_gpio_match, &pdev->dev); + if (!match) + return -ENODEV; dev_data = match->data; if (!dev_data) dev_data = &palmas_dev_data; -- 2.4.10
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