* [PATCH v2] Input: i8042 fix refcount leak
@ 2018-12-09 5:19 Yangtao Li
2018-12-09 5:40 ` Dmitry Torokhov
0 siblings, 1 reply; 3+ messages in thread
From: Yangtao Li @ 2018-12-09 5:19 UTC (permalink / raw)
To: dmitry.torokhov; +Cc: linux-input, linux-kernel, Yangtao Li
use of_node_put() to release the refcount.
Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
---
drivers/input/serio/i8042-sparcio.h | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/input/serio/i8042-sparcio.h b/drivers/input/serio/i8042-sparcio.h
index 796289846204..cc6777b4c4ea 100644
--- a/drivers/input/serio/i8042-sparcio.h
+++ b/drivers/input/serio/i8042-sparcio.h
@@ -111,13 +111,17 @@ static int __init i8042_platform_init(void)
struct device_node *root = of_find_node_by_path("/");
if (!strcmp(root->name, "SUNW,JavaStation-1")) {
+ of_node_put(root);
/* Hardcoded values for MrCoffee. */
i8042_kbd_irq = i8042_aux_irq = 13 | 0x20;
kbd_iobase = ioremap(0x71300060, 8);
if (!kbd_iobase)
return -ENODEV;
} else {
- int err = platform_driver_register(&sparc_i8042_driver);
+ int err;
+
+ of_node_put(root);
+ err = platform_driver_register(&sparc_i8042_driver);
if (err)
return err;
--
2.17.0
^ permalink raw reply related [flat|nested] 3+ messages in thread* Re: [PATCH v2] Input: i8042 fix refcount leak
2018-12-09 5:19 [PATCH v2] Input: i8042 fix refcount leak Yangtao Li
@ 2018-12-09 5:40 ` Dmitry Torokhov
2018-12-09 6:15 ` Frank Lee
0 siblings, 1 reply; 3+ messages in thread
From: Dmitry Torokhov @ 2018-12-09 5:40 UTC (permalink / raw)
To: Yangtao Li; +Cc: linux-input, linux-kernel
On Sun, Dec 09, 2018 at 12:19:00AM -0500, Yangtao Li wrote:
> use of_node_put() to release the refcount.
>
> Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
> ---
> drivers/input/serio/i8042-sparcio.h | 6 +++++-
> 1 file changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/input/serio/i8042-sparcio.h b/drivers/input/serio/i8042-sparcio.h
> index 796289846204..cc6777b4c4ea 100644
> --- a/drivers/input/serio/i8042-sparcio.h
> +++ b/drivers/input/serio/i8042-sparcio.h
> @@ -111,13 +111,17 @@ static int __init i8042_platform_init(void)
> struct device_node *root = of_find_node_by_path("/");
>
> if (!strcmp(root->name, "SUNW,JavaStation-1")) {
> + of_node_put(root);
> /* Hardcoded values for MrCoffee. */
> i8042_kbd_irq = i8042_aux_irq = 13 | 0x20;
> kbd_iobase = ioremap(0x71300060, 8);
> if (!kbd_iobase)
> return -ENODEV;
> } else {
> - int err = platform_driver_register(&sparc_i8042_driver);
> + int err;
> +
> + of_node_put(root);
> + err = platform_driver_register(&sparc_i8042_driver);
> if (err)
> return err;
This is not really what I asked for, as in this version you left out
leaky reference in i8042_platform_exit(). Please make the "detect Mr
Coffee" function and use it in both i8042_platform_init() and
i8042_platform_exit().
Thanks.
--
Dmitry
^ permalink raw reply [flat|nested] 3+ messages in thread* Re: [PATCH v2] Input: i8042 fix refcount leak
2018-12-09 5:40 ` Dmitry Torokhov
@ 2018-12-09 6:15 ` Frank Lee
0 siblings, 0 replies; 3+ messages in thread
From: Frank Lee @ 2018-12-09 6:15 UTC (permalink / raw)
To: Dmitry Torokhov; +Cc: linux-input, linux-kernel
On Sun, Dec 9, 2018 at 1:40 PM Dmitry Torokhov
<dmitry.torokhov@gmail.com> wrote:
>
> On Sun, Dec 09, 2018 at 12:19:00AM -0500, Yangtao Li wrote:
> > use of_node_put() to release the refcount.
> >
> > Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
> > ---
> > drivers/input/serio/i8042-sparcio.h | 6 +++++-
> > 1 file changed, 5 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/input/serio/i8042-sparcio.h b/drivers/input/serio/i8042-sparcio.h
> > index 796289846204..cc6777b4c4ea 100644
> > --- a/drivers/input/serio/i8042-sparcio.h
> > +++ b/drivers/input/serio/i8042-sparcio.h
> > @@ -111,13 +111,17 @@ static int __init i8042_platform_init(void)
> > struct device_node *root = of_find_node_by_path("/");
> >
> > if (!strcmp(root->name, "SUNW,JavaStation-1")) {
> > + of_node_put(root);
> > /* Hardcoded values for MrCoffee. */
> > i8042_kbd_irq = i8042_aux_irq = 13 | 0x20;
> > kbd_iobase = ioremap(0x71300060, 8);
> > if (!kbd_iobase)
> > return -ENODEV;
> > } else {
> > - int err = platform_driver_register(&sparc_i8042_driver);
> > + int err;
> > +
> > + of_node_put(root);
> > + err = platform_driver_register(&sparc_i8042_driver);
> > if (err)
> > return err;
>
> This is not really what I asked for, as in this version you left out
> leaky reference in i8042_platform_exit(). Please make the "detect Mr
> Coffee" function and use it in both i8042_platform_init() and
> i8042_platform_exit().
How about the newer?
Yours,
Yangtao
>
> Thanks.
>
> --
> Dmitry
^ permalink raw reply [flat|nested] 3+ messages in thread
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2018-12-09 5:40 ` Dmitry Torokhov
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