Messages in this thread | | | Subject | Re: [PATCH 1/2] gpio: altera: use of_mm_gpiochip_remove() to fix memory leak | From | Tien Hock Loh <> | Date | Thu, 25 Jun 2015 20:17:11 -0700 |
| |
Acked-by: Tien Hock Loh <thloh@altera.com>
On Wed, 2015-06-17 at 20:59 +0900, Masahiro Yamada wrote: > 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> > --- > > drivers/gpio/gpio-altera.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/gpio/gpio-altera.c b/drivers/gpio/gpio-altera.c > index 449fb46..c653c83 100644 > --- a/drivers/gpio/gpio-altera.c > +++ b/drivers/gpio/gpio-altera.c > @@ -337,7 +337,7 @@ 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 -EIO; > }
| |