No subject
Fri Nov 25 20:44:20 PST 2011
allocating request. Though, it's unlikely cause if request is NULL
then BUG_ON will be hit in i915_add_request(). So, to unify the callee
uses of i915_add_request(), I'm proposing the following patch. Please
let me know what do you guys think. If you guys agree, I can sent a
formal patch.
Index: work/modi.linux-3.1.1/drivers/gpu/drm/i915/i915_gem.c
===================================================================
--- work.orig/modi.linux-3.1.1/drivers/gpu/drm/i915/i915_gem.c
+++ work/modi.linux-3.1.1/drivers/gpu/drm/i915/i915_gem.c
@@ -1736,8 +1736,6 @@ i915_add_request(struct intel_ring_buffe
int was_empty;
int ret;
- BUG_ON(request == NULL);
-
ret = ring->add_request(ring, &seqno);
if (ret)
return ret;
@@ -2002,9 +2000,11 @@ i915_gem_retire_work_handler(struct work
ret = i915_gem_flush_ring(ring,
0, I915_GEM_GPU_DOMAINS);
request = kzalloc(sizeof(*request), GFP_KERNEL);
- if (ret || request == NULL ||
- i915_add_request(ring, NULL, request))
- kfree(request);
+ if (request) {
+ ret = i915_add_request(ring, NULL, request);
+ if (ret)
+ kfree(request);
+ }
}
idle &= list_empty(&ring->request_list);
Thanks,
Rakib
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