On Thu, Oct 08, 2015 at 06:17:48PM +0530, Sudip Mukherjee wrote:
> We are allocating backing using psbfb_alloc() and so
> backing->stolen is always true. So we were freeing backing two times.
> Moreover if we follow the execution path then we should be freeing
> backing after we have released the helper. So remove the one which frees
> backing before the helper is released.
> While at it the error labels are also renamed to give a meaningful
> name.
>
> Signed-off-by: Sudip Mukherjee <[email protected]>
> Reviewed-by: Patrik Jakobsson <[email protected]>
> ---
This patch was never picked up. It will not apply now.
Daniel, please let me know if you want me to resend after making
necessary changes.
regards
sudip
> drivers/gpu/drm/gma500/framebuffer.c | 13 ++++---------
> 1 file changed, 4 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/gpu/drm/gma500/framebuffer.c b/drivers/gpu/drm/gma500/framebuffer.c
> index 2eaf1b3..52e2bf3 100644
> --- a/drivers/gpu/drm/gma500/framebuffer.c
> +++ b/drivers/gpu/drm/gma500/framebuffer.c
> @@ -411,7 +411,7 @@ static int psbfb_create(struct psb_fbdev *fbdev,
> info = drm_fb_helper_alloc_fbi(&fbdev->psb_fb_helper);
> if (IS_ERR(info)) {
> ret = PTR_ERR(info);
> - goto out_err1;
> + goto err_unlock;
> }
> info->par = fbdev;
>
> @@ -419,7 +419,7 @@ static int psbfb_create(struct psb_fbdev *fbdev,
>
> ret = psb_framebuffer_init(dev, psbfb, &mode_cmd, backing);
> if (ret)
> - goto out_unref;
> + goto err_release;
>
> fb = &psbfb->base;
> psbfb->fbdev = info;
> @@ -465,14 +465,9 @@ static int psbfb_create(struct psb_fbdev *fbdev,
>
> mutex_unlock(&dev->struct_mutex);
> return 0;
> -out_unref:
> - if (backing->stolen)
> - psb_gtt_free_range(dev, backing);
> - else
> - drm_gem_object_unreference(&backing->gem);
> -
> +err_release:
> drm_fb_helper_release_fbi(&fbdev->psb_fb_helper);
> -out_err1:
> +err_unlock:
> mutex_unlock(&dev->struct_mutex);
> psb_gtt_free_range(dev, backing);
> return ret;
> --
> 1.9.1
>
On Wed, Dec 9, 2015 at 12:53 PM, Sudip Mukherjee
<[email protected]> wrote:
> On Thu, Oct 08, 2015 at 06:17:48PM +0530, Sudip Mukherjee wrote:
>> We are allocating backing using psbfb_alloc() and so
>> backing->stolen is always true. So we were freeing backing two times.
>> Moreover if we follow the execution path then we should be freeing
>> backing after we have released the helper. So remove the one which frees
>> backing before the helper is released.
>> While at it the error labels are also renamed to give a meaningful
>> name.
>>
>> Signed-off-by: Sudip Mukherjee <[email protected]>
>> Reviewed-by: Patrik Jakobsson <[email protected]>
>> ---
>
> This patch was never picked up. It will not apply now.
>
> Daniel, please let me know if you want me to resend after making
> necessary changes.
I will pick this up and pass it along to Dave. Sorry for the delay.
-Patrik
>
> regards
> sudip
>
>> drivers/gpu/drm/gma500/framebuffer.c | 13 ++++---------
>> 1 file changed, 4 insertions(+), 9 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/gma500/framebuffer.c b/drivers/gpu/drm/gma500/framebuffer.c
>> index 2eaf1b3..52e2bf3 100644
>> --- a/drivers/gpu/drm/gma500/framebuffer.c
>> +++ b/drivers/gpu/drm/gma500/framebuffer.c
>> @@ -411,7 +411,7 @@ static int psbfb_create(struct psb_fbdev *fbdev,
>> info = drm_fb_helper_alloc_fbi(&fbdev->psb_fb_helper);
>> if (IS_ERR(info)) {
>> ret = PTR_ERR(info);
>> - goto out_err1;
>> + goto err_unlock;
>> }
>> info->par = fbdev;
>>
>> @@ -419,7 +419,7 @@ static int psbfb_create(struct psb_fbdev *fbdev,
>>
>> ret = psb_framebuffer_init(dev, psbfb, &mode_cmd, backing);
>> if (ret)
>> - goto out_unref;
>> + goto err_release;
>>
>> fb = &psbfb->base;
>> psbfb->fbdev = info;
>> @@ -465,14 +465,9 @@ static int psbfb_create(struct psb_fbdev *fbdev,
>>
>> mutex_unlock(&dev->struct_mutex);
>> return 0;
>> -out_unref:
>> - if (backing->stolen)
>> - psb_gtt_free_range(dev, backing);
>> - else
>> - drm_gem_object_unreference(&backing->gem);
>> -
>> +err_release:
>> drm_fb_helper_release_fbi(&fbdev->psb_fb_helper);
>> -out_err1:
>> +err_unlock:
>> mutex_unlock(&dev->struct_mutex);
>> psb_gtt_free_range(dev, backing);
>> return ret;
>> --
>> 1.9.1
>>
On Wednesday 09 December 2015 05:50 PM, Patrik Jakobsson wrote:
> On Wed, Dec 9, 2015 at 12:53 PM, Sudip Mukherjee
> <[email protected]> wrote:
>> On Thu, Oct 08, 2015 at 06:17:48PM +0530, Sudip Mukherjee wrote:
>>> We are allocating backing using psbfb_alloc() and so
>>> backing->stolen is always true. So we were freeing backing two times.
>>> Moreover if we follow the execution path then we should be freeing
>>> backing after we have released the helper. So remove the one which frees
>>> backing before the helper is released.
>>> While at it the error labels are also renamed to give a meaningful
>>> name.
>>>
>>> Signed-off-by: Sudip Mukherjee <[email protected]>
>>> Reviewed-by: Patrik Jakobsson <[email protected]>
>>> ---
>>
>> This patch was never picked up. It will not apply now.
>>
>> Daniel, please let me know if you want me to resend after making
>> necessary changes.
>
> I will pick this up and pass it along to Dave. Sorry for the delay.
This was not picked up. But I guess it is still true. Do you want me to
rebase and send it again..
regards
sudip
>
> -Patrik
>
>>
>> regards
>> sudip
>>
>>> drivers/gpu/drm/gma500/framebuffer.c | 13 ++++---------
>>> 1 file changed, 4 insertions(+), 9 deletions(-)
>>>
>>> diff --git a/drivers/gpu/drm/gma500/framebuffer.c b/drivers/gpu/drm/gma500/framebuffer.c
>>> index 2eaf1b3..52e2bf3 100644
>>> --- a/drivers/gpu/drm/gma500/framebuffer.c
>>> +++ b/drivers/gpu/drm/gma500/framebuffer.c
>>> @@ -411,7 +411,7 @@ static int psbfb_create(struct psb_fbdev *fbdev,
>>> info = drm_fb_helper_alloc_fbi(&fbdev->psb_fb_helper);
>>> if (IS_ERR(info)) {
>>> ret = PTR_ERR(info);
>>> - goto out_err1;
>>> + goto err_unlock;
>>> }
>>> info->par = fbdev;
>>>
>>> @@ -419,7 +419,7 @@ static int psbfb_create(struct psb_fbdev *fbdev,
>>>
>>> ret = psb_framebuffer_init(dev, psbfb, &mode_cmd, backing);
>>> if (ret)
>>> - goto out_unref;
>>> + goto err_release;
>>>
>>> fb = &psbfb->base;
>>> psbfb->fbdev = info;
>>> @@ -465,14 +465,9 @@ static int psbfb_create(struct psb_fbdev *fbdev,
>>>
>>> mutex_unlock(&dev->struct_mutex);
>>> return 0;
>>> -out_unref:
>>> - if (backing->stolen)
>>> - psb_gtt_free_range(dev, backing);
>>> - else
>>> - drm_gem_object_unreference(&backing->gem);
>>> -
>>> +err_release:
>>> drm_fb_helper_release_fbi(&fbdev->psb_fb_helper);
>>> -out_err1:
>>> +err_unlock:
>>> mutex_unlock(&dev->struct_mutex);
>>> psb_gtt_free_range(dev, backing);
>>> return ret;
>>> --
>>> 1.9.1
>>>
On Thu, Apr 7, 2016 at 5:52 PM, Sudip Mukherjee
<[email protected]> wrote:
> On Wednesday 09 December 2015 05:50 PM, Patrik Jakobsson wrote:
>>
>> On Wed, Dec 9, 2015 at 12:53 PM, Sudip Mukherjee
>> <[email protected]> wrote:
>>>
>>> On Thu, Oct 08, 2015 at 06:17:48PM +0530, Sudip Mukherjee wrote:
>>>>
>>>> We are allocating backing using psbfb_alloc() and so
>>>> backing->stolen is always true. So we were freeing backing two times.
>>>> Moreover if we follow the execution path then we should be freeing
>>>> backing after we have released the helper. So remove the one which frees
>>>> backing before the helper is released.
>>>> While at it the error labels are also renamed to give a meaningful
>>>> name.
>>>>
>>>> Signed-off-by: Sudip Mukherjee <[email protected]>
>>>> Reviewed-by: Patrik Jakobsson <[email protected]>
>>>> ---
>>>
>>>
>>> This patch was never picked up. It will not apply now.
>>>
>>> Daniel, please let me know if you want me to resend after making
>>> necessary changes.
>>
>>
>> I will pick this up and pass it along to Dave. Sorry for the delay.
>
>
> This was not picked up. But I guess it is still true. Do you want me to
> rebase and send it again..
I already have it rebased, will send it out later tonight. For real this time ;)
Thanks
Patrik
>
> regards
> sudip
>
>
>>
>> -Patrik
>>
>>>
>>> regards
>>> sudip
>>>
>>>> drivers/gpu/drm/gma500/framebuffer.c | 13 ++++---------
>>>> 1 file changed, 4 insertions(+), 9 deletions(-)
>>>>
>>>> diff --git a/drivers/gpu/drm/gma500/framebuffer.c
>>>> b/drivers/gpu/drm/gma500/framebuffer.c
>>>> index 2eaf1b3..52e2bf3 100644
>>>> --- a/drivers/gpu/drm/gma500/framebuffer.c
>>>> +++ b/drivers/gpu/drm/gma500/framebuffer.c
>>>> @@ -411,7 +411,7 @@ static int psbfb_create(struct psb_fbdev *fbdev,
>>>> info = drm_fb_helper_alloc_fbi(&fbdev->psb_fb_helper);
>>>> if (IS_ERR(info)) {
>>>> ret = PTR_ERR(info);
>>>> - goto out_err1;
>>>> + goto err_unlock;
>>>> }
>>>> info->par = fbdev;
>>>>
>>>> @@ -419,7 +419,7 @@ static int psbfb_create(struct psb_fbdev *fbdev,
>>>>
>>>> ret = psb_framebuffer_init(dev, psbfb, &mode_cmd, backing);
>>>> if (ret)
>>>> - goto out_unref;
>>>> + goto err_release;
>>>>
>>>> fb = &psbfb->base;
>>>> psbfb->fbdev = info;
>>>> @@ -465,14 +465,9 @@ static int psbfb_create(struct psb_fbdev *fbdev,
>>>>
>>>> mutex_unlock(&dev->struct_mutex);
>>>> return 0;
>>>> -out_unref:
>>>> - if (backing->stolen)
>>>> - psb_gtt_free_range(dev, backing);
>>>> - else
>>>> - drm_gem_object_unreference(&backing->gem);
>>>> -
>>>> +err_release:
>>>> drm_fb_helper_release_fbi(&fbdev->psb_fb_helper);
>>>> -out_err1:
>>>> +err_unlock:
>>>> mutex_unlock(&dev->struct_mutex);
>>>> psb_gtt_free_range(dev, backing);
>>>> return ret;
>>>> --
>>>> 1.9.1
>>>>
>