* [PATCH] locking/atomics: Fix memory leak in bcm2835_timer_init
@ 2019-10-21 20:13 ` Navid Emamdoost
0 siblings, 0 replies; 4+ messages in thread
From: Navid Emamdoost @ 2019-10-21 20:13 UTC (permalink / raw)
Cc: emamd001, kjlu, smccaman, Navid Emamdoost, Daniel Lezcano,
Thomas Gleixner, Florian Fainelli, Ray Jui, Scott Branden,
bcm-kernel-feedback-list, Eric Anholt, Stefan Wahren,
linux-kernel, linux-rpi-kernel, linux-arm-kernel
In the impelementation of bcm2835_timer_init() the allocated memory for
timer should be released if setup_irq() fails.
Fixes: 84c39b8b7d46 ("clocksource/drivers/bcm2835_timer: Unmap region obtained by of_iomap")
Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
---
drivers/clocksource/bcm2835_timer.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/clocksource/bcm2835_timer.c b/drivers/clocksource/bcm2835_timer.c
index 2b196cbfadb6..7b27cc53ce9c 100644
--- a/drivers/clocksource/bcm2835_timer.c
+++ b/drivers/clocksource/bcm2835_timer.c
@@ -121,6 +121,7 @@ static int __init bcm2835_timer_init(struct device_node *node)
ret = setup_irq(irq, &timer->act);
if (ret) {
pr_err("Can't set up timer IRQ\n");
+ kfree(timer);
goto err_iounmap;
}
--
2.17.1
^ permalink raw reply related [flat|nested] 4+ messages in thread
* [PATCH] locking/atomics: Fix memory leak in bcm2835_timer_init
@ 2019-10-21 20:13 ` Navid Emamdoost
0 siblings, 0 replies; 4+ messages in thread
From: Navid Emamdoost @ 2019-10-21 20:13 UTC (permalink / raw)
Cc: linux-rpi-kernel, Florian Fainelli, Scott Branden, Ray Jui,
Daniel Lezcano, kjlu, linux-kernel, Eric Anholt, emamd001,
bcm-kernel-feedback-list, Stefan Wahren, smccaman,
Thomas Gleixner, linux-arm-kernel, Navid Emamdoost
In the impelementation of bcm2835_timer_init() the allocated memory for
timer should be released if setup_irq() fails.
Fixes: 84c39b8b7d46 ("clocksource/drivers/bcm2835_timer: Unmap region obtained by of_iomap")
Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
---
drivers/clocksource/bcm2835_timer.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/clocksource/bcm2835_timer.c b/drivers/clocksource/bcm2835_timer.c
index 2b196cbfadb6..7b27cc53ce9c 100644
--- a/drivers/clocksource/bcm2835_timer.c
+++ b/drivers/clocksource/bcm2835_timer.c
@@ -121,6 +121,7 @@ static int __init bcm2835_timer_init(struct device_node *node)
ret = setup_irq(irq, &timer->act);
if (ret) {
pr_err("Can't set up timer IRQ\n");
+ kfree(timer);
goto err_iounmap;
}
--
2.17.1
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linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH] locking/atomics: Fix memory leak in bcm2835_timer_init
2019-10-21 20:13 ` Navid Emamdoost
@ 2019-10-21 20:46 ` Florian Fainelli
-1 siblings, 0 replies; 4+ messages in thread
From: Florian Fainelli @ 2019-10-21 20:46 UTC (permalink / raw)
To: Navid Emamdoost
Cc: emamd001, kjlu, smccaman, Daniel Lezcano, Thomas Gleixner,
Ray Jui, Scott Branden, bcm-kernel-feedback-list, Eric Anholt,
Stefan Wahren, linux-kernel, linux-rpi-kernel, linux-arm-kernel
On 10/21/19 1:13 PM, Navid Emamdoost wrote:
> In the impelementation of bcm2835_timer_init() the allocated memory for
> timer should be released if setup_irq() fails.
s/impelementation/implementation/ and also the subject should probably
be changed to better reflect the scope of the patch. With that:
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
>
> Fixes: 84c39b8b7d46 ("clocksource/drivers/bcm2835_timer: Unmap region obtained by of_iomap")
> Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
> ---
> drivers/clocksource/bcm2835_timer.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/clocksource/bcm2835_timer.c b/drivers/clocksource/bcm2835_timer.c
> index 2b196cbfadb6..7b27cc53ce9c 100644
> --- a/drivers/clocksource/bcm2835_timer.c
> +++ b/drivers/clocksource/bcm2835_timer.c
> @@ -121,6 +121,7 @@ static int __init bcm2835_timer_init(struct device_node *node)
> ret = setup_irq(irq, &timer->act);
> if (ret) {
> pr_err("Can't set up timer IRQ\n");
> + kfree(timer);
> goto err_iounmap;
> }
>
>
--
Florian
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] locking/atomics: Fix memory leak in bcm2835_timer_init
@ 2019-10-21 20:46 ` Florian Fainelli
0 siblings, 0 replies; 4+ messages in thread
From: Florian Fainelli @ 2019-10-21 20:46 UTC (permalink / raw)
To: Navid Emamdoost
Cc: Scott Branden, Ray Jui, Daniel Lezcano, kjlu, linux-kernel,
Eric Anholt, emamd001, bcm-kernel-feedback-list, Stefan Wahren,
smccaman, Thomas Gleixner, linux-arm-kernel, linux-rpi-kernel
On 10/21/19 1:13 PM, Navid Emamdoost wrote:
> In the impelementation of bcm2835_timer_init() the allocated memory for
> timer should be released if setup_irq() fails.
s/impelementation/implementation/ and also the subject should probably
be changed to better reflect the scope of the patch. With that:
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
>
> Fixes: 84c39b8b7d46 ("clocksource/drivers/bcm2835_timer: Unmap region obtained by of_iomap")
> Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
> ---
> drivers/clocksource/bcm2835_timer.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/clocksource/bcm2835_timer.c b/drivers/clocksource/bcm2835_timer.c
> index 2b196cbfadb6..7b27cc53ce9c 100644
> --- a/drivers/clocksource/bcm2835_timer.c
> +++ b/drivers/clocksource/bcm2835_timer.c
> @@ -121,6 +121,7 @@ static int __init bcm2835_timer_init(struct device_node *node)
> ret = setup_irq(irq, &timer->act);
> if (ret) {
> pr_err("Can't set up timer IRQ\n");
> + kfree(timer);
> goto err_iounmap;
> }
>
>
--
Florian
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2019-10-21 20:46 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2019-10-21 20:13 [PATCH] locking/atomics: Fix memory leak in bcm2835_timer_init Navid Emamdoost
2019-10-21 20:13 ` Navid Emamdoost
2019-10-21 20:46 ` Florian Fainelli
2019-10-21 20:46 ` Florian Fainelli
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