* [patch] drm/amdgpu: cleanup on error in amdgpu_cs_ioctl()
@ 2015-11-04 13:25 Dan Carpenter
2015-11-04 14:10 ` Christian König
0 siblings, 1 reply; 3+ messages in thread
From: Dan Carpenter @ 2015-11-04 13:25 UTC (permalink / raw)
To: David Airlie, Chunming Zhou
Cc: Marek Olšák, kernel-janitors, dri-devel, Alex Deucher,
Christian König, monk.liu
We recently changed the locking in this function and now there is a
missing unlock on error. Also there are some other resources that we
should probably release as well...
Fixes: f48b2659f521 ('drm/amdgpu: fix the broken vm->mutex V2')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
---
I'm not terribly familiar with this code. Please review this one a bit
carefully.
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 27ef528..dfc4d02 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -876,8 +876,10 @@ int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
struct amdgpu_job *job;
struct amdgpu_ring * ring = parser->ibs->ring;
job = kzalloc(sizeof(struct amdgpu_job), GFP_KERNEL);
- if (!job)
- return -ENOMEM;
+ if (!job) {
+ r = -ENOMEM;
+ goto out;
+ }
job->base.sched = &ring->sched;
job->base.s_entity = &parser->ctx->rings[ring->idx].entity;
job->adev = parser->adev;
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [patch] drm/amdgpu: cleanup on error in amdgpu_cs_ioctl()
2015-11-04 13:25 [patch] drm/amdgpu: cleanup on error in amdgpu_cs_ioctl() Dan Carpenter
@ 2015-11-04 14:10 ` Christian König
2015-11-04 17:15 ` Alex Deucher
0 siblings, 1 reply; 3+ messages in thread
From: Christian König @ 2015-11-04 14:10 UTC (permalink / raw)
To: Dan Carpenter, David Airlie, Chunming Zhou
Cc: Marek Olšák, kernel-janitors, dri-devel, Alex Deucher,
monk.liu
On 04.11.2015 14:25, Dan Carpenter wrote:
> We recently changed the locking in this function and now there is a
> missing unlock on error. Also there are some other resources that we
> should probably release as well...
>
> Fixes: f48b2659f521 ('drm/amdgpu: fix the broken vm->mutex V2')
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Yeah indeed, thanks for catching this.
Patch is Reviewed-by: Christian König <christian.koenig@amd.com>
> ---
> I'm not terribly familiar with this code. Please review this one a bit
> carefully.
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
> index 27ef528..dfc4d02 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
> @@ -876,8 +876,10 @@ int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
> struct amdgpu_job *job;
> struct amdgpu_ring * ring = parser->ibs->ring;
> job = kzalloc(sizeof(struct amdgpu_job), GFP_KERNEL);
> - if (!job)
> - return -ENOMEM;
> + if (!job) {
> + r = -ENOMEM;
> + goto out;
> + }
> job->base.sched = &ring->sched;
> job->base.s_entity = &parser->ctx->rings[ring->idx].entity;
> job->adev = parser->adev;
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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [patch] drm/amdgpu: cleanup on error in amdgpu_cs_ioctl()
2015-11-04 14:10 ` Christian König
@ 2015-11-04 17:15 ` Alex Deucher
0 siblings, 0 replies; 3+ messages in thread
From: Alex Deucher @ 2015-11-04 17:15 UTC (permalink / raw)
To: Christian König
Cc: Dan Carpenter, David Airlie, Chunming Zhou,
Marek Olšák, kernel-janitors,
Maling list - DRI developers, Alex Deucher, monk.liu
On Wed, Nov 4, 2015 at 9:10 AM, Christian König <deathsimple@vodafone.de> wrote:
> On 04.11.2015 14:25, Dan Carpenter wrote:
>>
>> We recently changed the locking in this function and now there is a
>> missing unlock on error. Also there are some other resources that we
>> should probably release as well...
>>
>> Fixes: f48b2659f521 ('drm/amdgpu: fix the broken vm->mutex V2')
>> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
>
>
> Yeah indeed, thanks for catching this.
>
> Patch is Reviewed-by: Christian König <christian.koenig@amd.com>
Applied. thanks!
Alex
>
>
>> ---
>> I'm not terribly familiar with this code. Please review this one a bit
>> carefully.
>>
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
>> index 27ef528..dfc4d02 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
>> @@ -876,8 +876,10 @@ int amdgpu_cs_ioctl(struct drm_device *dev, void
>> *data, struct drm_file *filp)
>> struct amdgpu_job *job;
>> struct amdgpu_ring * ring = parser->ibs->ring;
>> job = kzalloc(sizeof(struct amdgpu_job), GFP_KERNEL);
>> - if (!job)
>> - return -ENOMEM;
>> + if (!job) {
>> + r = -ENOMEM;
>> + goto out;
>> + }
>> job->base.sched = &ring->sched;
>> job->base.s_entity >> &parser->ctx->rings[ring->idx].entity;
>> job->adev = parser->adev;
>
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/dri-devel
^ permalink raw reply [flat|nested] 3+ messages in thread
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2015-11-04 14:10 ` Christian König
2015-11-04 17:15 ` Alex Deucher
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