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From c4e63b8343df6a00998760b648268a3f2a2c0fda Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>
Date: Thu, 10 Jan 2019 16:40:42 +0100
Subject: [PATCH 1620/2940] drm/amdgpu: remove non-sense NULL ptr check
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
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>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c | 10 ----------
1 file changed, 10 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
index e87184670587..67c154c775b0 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
@@ -572,12 +572,6 @@ 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;
@@ -598,10 +592,6 @@ 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;
--
2.17.1
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