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authorBartlomiej Zolnierkiewicz <[email protected]>2014-03-18 10:58:33 +0100
committerLinus Walleij <[email protected]>2014-03-26 10:31:34 +0100
commit138d876e30353da34495e463d20c9bd7c0fd4ba0 (patch)
treeda3b60aef7e3a613a641751f52be3948aef29a3d
parent523dcce72c72e829b9d391f8020277038c6aab82 (diff)
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 <[email protected]> Cc: Mikael Pettersson <[email protected]> Cc: Aaro Koskinen <[email protected]> Signed-off-by: Bartlomiej Zolnierkiewicz <[email protected]> Acked-by: Alexandre Courbot <[email protected]> Acked-by: Dan Williams <[email protected]> Signed-off-by: Linus Walleij <[email protected]>
-rw-r--r--drivers/gpio/gpio-iop.c2
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);
}