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>

diff --git a/drivers/gpu/drm/i915/gvt/vgpu.c b/drivers/gpu/drm/i915/gvt/vgpu.c
index 398abb98dd0a85aca4067a24db75206128ae60f3..f0e86123e45b77e0e8f77b061bf21b6fafb6c6d7 100644 (file)
--- a/drivers/gpu/drm/i915/gvt/vgpu.c
+++ b/drivers/gpu/drm/i915/gvt/vgpu.c
@@ -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 @@ out_clean_vgpu_resource:
        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);