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| author | Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> | 2014-03-18 10:58:33 +0100 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2014-03-26 10:31:34 +0100 |
| commit | 138d876e30353da34495e463d20c9bd7c0fd4ba0 (patch) | |
| tree | da3b60aef7e3a613a641751f52be3948aef29a3d | |
| parent | pinctrl: coh901: convert driver to use gpiolib irqchip (diff) | |
| download | linux-138d876e30353da34495e463d20c9bd7c0fd4ba0.tar.xz linux-138d876e30353da34495e463d20c9bd7c0fd4ba0.zip | |
gpio: iop: fix devm_ioremap_resource() return value checking
devm_ioremap_resource() returns a pointer to the remapped memory or
an ERR_PTR() encoded error code on failure. Fix the check inside
iop3xx_gpio_probe() accordingly.
Cc: Lennert Buytenhek <kernel@wantstofly.org>
Cc: Mikael Pettersson <mikpe@it.uu.se>
Cc: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Acked-by: Alexandre Courbot <acourbot@nvidia.com>
Acked-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| -rw-r--r-- | drivers/gpio/gpio-iop.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpio/gpio-iop.c b/drivers/gpio/gpio-iop.c index c22a61be3a9c..0a5e9d3f308c 100644 --- a/drivers/gpio/gpio-iop.c +++ b/drivers/gpio/gpio-iop.c @@ -111,6 +111,8 @@ static int iop3xx_gpio_probe(struct platform_device *pdev) res = platform_get_resource(pdev, IORESOURCE_MEM, 0); base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(base)) + return PTR_ERR(base); return gpiochip_add(&iop3xx_chip); } |