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authorMasahiro Yamada <yamada.masahiro@socionext.com>2015-06-17 20:59:42 +0900
committerLinus Walleij <linus.walleij@linaro.org>2015-07-16 00:11:03 +0200
commit41ec66c92299889ad30871aeede89b960f08a458 (patch)
tree740a9c7d063a3570ca909821079449d1ba6627ae /drivers/gpio/gpio-altera.c
parent1c8b5d688d7ef401c209f3fc84b7de8296f8908a (diff)
downloadlinux-41ec66c92299889ad30871aeede89b960f08a458.tar.gz
gpio: altera: use of_mm_gpiochip_remove() to fix memory leak
This driver calls of_mm_gpiochip_add() to add a memory mapped gpio
chip.  So, of_mm_gpiochip_remove() should be used when removing it.

The direct call of gpiochip_remove() misses unmapping the register
and freeing the label.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Acked-by: Tien Hock Loh <thloh@altera.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio/gpio-altera.c')
-rw-r--r--drivers/gpio/gpio-altera.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpio/gpio-altera.c b/drivers/gpio/gpio-altera.c
index 675d15d6e9be..9b7e0b3db387 100644
--- a/drivers/gpio/gpio-altera.c
+++ b/drivers/gpio/gpio-altera.c
@@ -338,7 +338,7 @@ static int altera_gpio_remove(struct platform_device *pdev)
 {
 	struct altera_gpio_chip *altera_gc = platform_get_drvdata(pdev);
 
-	gpiochip_remove(&altera_gc->mmchip.gc);
+	of_mm_gpiochip_remove(&altera_gc->mmchip);
 
 	return 0;
 }