Jiri Kosina írta:
> On Wed, 4 Mar 2009, Helge Bahmann wrote:
>
>
>> Fix deadlock in drm_setmaster_ioctl
>>
>> diff --git a/drivers/gpu/drm/drm_stub.c b/drivers/gpu/drm/drm_stub.c
>> index 096e2a3..7c8b15b 100644
>> --- a/drivers/gpu/drm/drm_stub.c
>> +++ b/drivers/gpu/drm/drm_stub.c
>> @@ -168,7 +168,7 @@ int drm_setmaster_ioctl(struct drm_device *dev, void
>> *data,
>> file_priv->minor->master != file_priv->master) {
>> mutex_lock(&dev->struct_mutex);
>> file_priv->minor->master = drm_master_get(file_priv->master);
>> - mutex_lock(&dev->struct_mutex);
>> + mutex_unlock(&dev->struct_mutex);
>> }
>>
>> return 0;
>>
>>
>
> This is not a kind of patch that should be taken through trivial tree.
>
You must mean this is exactly that kind of a patch...
Notice the double mutex_lock() on the same mutex in the same scope.
> CCing David.
>
>
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