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@xxxxxxxxxx>
Yeah indeed, thanks for catching this.
Patch is Reviewed-by: Christian König <christian.koenig@xxxxxxx>
---
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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