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drm/amdgpu: fix handling order in scheduler CS 

We need to clear parser.ibs and num_ibs before amd_sched_fence_create,
otherwise the IB could be freed twice if fence creates fails.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
This commit is contained in:
Christian König 2015-11-13 13:04:50 +01:00 committed by Alex Deucher
parent e284022163
commit 5d82730af7
1 changed files with 5 additions and 5 deletions
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10
drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
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@ -858,11 +858,14 @@ int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
job->base.sched = &ring->sched;
job->base.s_entity = &parser.ctx->rings[ring->idx].entity;
job->adev = parser.adev;
job->ibs = parser.ibs;
job->num_ibs = parser.num_ibs;
job->owner = parser.filp;
job->free_job = amdgpu_cs_free_job;
job->ibs = parser.ibs;
job->num_ibs = parser.num_ibs;
parser.ibs = NULL;
parser.num_ibs = 0;
if (job->ibs[job->num_ibs - 1].user) {
job->uf = parser.uf;
job->ibs[job->num_ibs - 1].user = &job->uf;
@ -884,9 +887,6 @@ int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
&fence->base);
job->ibs[job->num_ibs - 1].sequence = cs->out.handle;
parser.ibs = NULL;
parser.num_ibs = 0;
trace_amdgpu_cs_ioctl(job);
amd_sched_entity_push_job(&job->base);