* [PATCH] drivers/acpi/power_meter.c : remove double kfree()
@ 2010-01-12 12:37 Darren Jenkins
2010-01-13 19:29 ` Darrick J. Wong
0 siblings, 1 reply; 3+ messages in thread
From: Darren Jenkins @ 2010-01-12 12:37 UTC (permalink / raw)
To: djwong, lenb, linux-acpi, Kernel Janitors; +Cc: Linux Kernel Mailing List
resource->domain_devices can be double kfree()'d in a couple of places.
Fix this by setting num_domain_devices = 0 after the kfree().
Coverity CID: 13356, 13355, 13354
Signed-off-by: Darren Jenkins <darrenrjenkins@gmail.com>
diff --git drivers/acpi/power_meter.c drivers/acpi/power_meter.c
index 2ef7030..18ce00a 100644
--- drivers/acpi/power_meter.c
+++ drivers/acpi/power_meter.c
@@ -534,6 +534,7 @@ static void remove_domain_devices(struct acpi_power_meter_resource *resource)
kfree(resource->domain_devices);
kobject_put(resource->holders_dir);
+ resource->num_domain_devices = 0;
}
static int read_domain_devices(struct acpi_power_meter_resource *resource)
@@ -740,7 +741,6 @@ skip_unsafe_cap:
return res;
error:
- remove_domain_devices(resource);
remove_attrs(resource);
return res;
}
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] drivers/acpi/power_meter.c : remove double kfree()
2010-01-12 12:37 [PATCH] drivers/acpi/power_meter.c : remove double kfree() Darren Jenkins
@ 2010-01-13 19:29 ` Darrick J. Wong
2010-01-20 4:56 ` Len Brown
0 siblings, 1 reply; 3+ messages in thread
From: Darrick J. Wong @ 2010-01-13 19:29 UTC (permalink / raw)
To: Darren Jenkins
Cc: lenb, linux-acpi, Kernel Janitors, Linux Kernel Mailing List
On Tue, Jan 12, 2010 at 11:37:07PM +1100, Darren Jenkins wrote:
> resource->domain_devices can be double kfree()'d in a couple of places.
> Fix this by setting num_domain_devices = 0 after the kfree().
>
> Coverity CID: 13356, 13355, 13354
>
> Signed-off-by: Darren Jenkins <darrenrjenkins@gmail.com>
Thanks for catching this.
Acked-by: Darrick J. Wong <djwong@us.ibm.com>
>
> diff --git drivers/acpi/power_meter.c drivers/acpi/power_meter.c
> index 2ef7030..18ce00a 100644
> --- drivers/acpi/power_meter.c
> +++ drivers/acpi/power_meter.c
> @@ -534,6 +534,7 @@ static void remove_domain_devices(struct acpi_power_meter_resource *resource)
>
> kfree(resource->domain_devices);
> kobject_put(resource->holders_dir);
> + resource->num_domain_devices = 0;
> }
>
> static int read_domain_devices(struct acpi_power_meter_resource *resource)
> @@ -740,7 +741,6 @@ skip_unsafe_cap:
>
> return res;
> error:
> - remove_domain_devices(resource);
> remove_attrs(resource);
> return res;
> }
>
>
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2010-01-20 4:56 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2010-01-12 12:37 [PATCH] drivers/acpi/power_meter.c : remove double kfree() Darren Jenkins
2010-01-13 19:29 ` Darrick J. Wong
2010-01-20 4:56 ` Len Brown
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