drm/amdgpu: remove non-sense NULL ptr check

It's a bug having a dead pointer in the IDR, silently returning
is the worst we can do.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
index 736ed1d..b7289f7 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
@@ -570,12 +570,6 @@ void amdgpu_ctx_mgr_entity_flush(struct amdgpu_ctx_mgr *mgr)
 
        mutex_lock(&mgr->lock);
        idr_for_each_entry(idp, ctx, id) {
-
-               if (!ctx->adev) {
-                       mutex_unlock(&mgr->lock);
-                       return;
-               }
-
                for (i = 0; i < num_entities; i++) {
                        struct drm_sched_entity *entity;
 
@@ -596,10 +590,6 @@ void amdgpu_ctx_mgr_entity_fini(struct amdgpu_ctx_mgr *mgr)
        idp = &mgr->ctx_handles;
 
        idr_for_each_entry(idp, ctx, id) {
-
-               if (!ctx->adev)
-                       return;
-
                if (kref_read(&ctx->refcount) != 1) {
                        DRM_ERROR("ctx %p is still alive\n", ctx);
                        continue;