diff options
| author | LABBE Corentin <clabbe.montjoie@gmail.com> | 2015-11-11 21:27:36 +0100 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2015-11-17 14:40:24 +0100 |
| commit | 5664de25fa8ad2f06d6d7dd44df61023e1aaaa14 (patch) | |
| tree | 49157661585b85faa62ca2a960258f601e94b3c1 /drivers/gpio/gpio-palmas.c | |
| parent | gpio: syscon: fix a possible NULL dereference (diff) | |
| download | linux-5664de25fa8ad2f06d6d7dd44df61023e1aaaa14.tar.xz linux-5664de25fa8ad2f06d6d7dd44df61023e1aaaa14.zip | |
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>
Diffstat (limited to 'drivers/gpio/gpio-palmas.c')
| -rw-r--r-- | drivers/gpio/gpio-palmas.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpio/gpio-palmas.c b/drivers/gpio/gpio-palmas.c index 171a6389f9ce..52b447c071cb 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; |