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drm/i915/gvt: destroy the allocated idr on vgpu creating failures 

Once idr_alloc gets called data is allocated within the idr list, if
any error occurs afterwards, we should undo that by idr_remove on the
error path.

Signed-off-by: Jike Song <jike.song@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
This commit is contained in:
Jike Song 2017-01-06 15:16:22 +08:00 committed by Zhenyu Wang
parent 59c0573dfb
commit 4e5378918b
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/drm/i915/gvt/vgpu.c
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@ -304,7 +304,7 @@ static struct intel_vgpu *__intel_gvt_create_vgpu(struct intel_gvt *gvt,
ret = setup_vgpu_mmio(vgpu);
if (ret)
goto out_free_vgpu;
goto out_clean_idr;
ret = intel_vgpu_alloc_resource(vgpu, param);
if (ret)
@ -355,6 +355,8 @@ static struct intel_vgpu *__intel_gvt_create_vgpu(struct intel_gvt *gvt,
intel_vgpu_free_resource(vgpu);
out_clean_vgpu_mmio:
clean_vgpu_mmio(vgpu);
out_clean_idr:
idr_remove(&gvt->vgpu_idr, vgpu->id);
out_free_vgpu:
vfree(vgpu);
mutex_unlock(&gvt->lock);