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authorChris Wilson <chris@chris-wilson.co.uk>2009-09-01 15:02:39 +0400
committerEric Anholt <eric@anholt.net>2009-09-02 21:49:02 +0400
commit58c2fb647a3cf70a90d7b33a3f2a8396a20a0bc4 (patch)
tree7c7b029f4af50f1cd61531bc46ed62cfe464857d
parentbcc24fb42585dc9f490cf7789a917358414bdab5 (diff)
downloadlinux-58c2fb647a3cf70a90d7b33a3f2a8396a20a0bc4.tar.xz
drm/i915: Unref old_obj on get_fence_reg() error path
Remember to release the local reference if we fail to wait on the rendering. (Also whilst in the vicinity add some whitespace so that the phasing of the operations is clearer.) Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Eric Anholt <eric@anholt.net>
-rw-r--r--drivers/gpu/drm/i915/i915_gem.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 0c07a755b3a3..7edb5b9d5792 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2267,8 +2267,6 @@ i915_gem_object_get_fence_reg(struct drm_gem_object *obj)
fence_list) {
old_obj = old_obj_priv->obj;
- reg = &dev_priv->fence_regs[old_obj_priv->fence_reg];
-
if (old_obj_priv->pin_count)
continue;
@@ -2290,8 +2288,11 @@ i915_gem_object_get_fence_reg(struct drm_gem_object *obj)
*/
i915_gem_object_flush_gpu_write_domain(old_obj);
ret = i915_gem_object_wait_rendering(old_obj);
- if (ret != 0)
+ if (ret != 0) {
+ drm_gem_object_unreference(old_obj);
return ret;
+ }
+
break;
}
@@ -2299,10 +2300,14 @@ i915_gem_object_get_fence_reg(struct drm_gem_object *obj)
* Zap this virtual mapping so we can set up a fence again
* for this object next time we need it.
*/
- i915_gem_release_mmap(reg->obj);
+ i915_gem_release_mmap(old_obj);
+
i = old_obj_priv->fence_reg;
+ reg = &dev_priv->fence_regs[i];
+
old_obj_priv->fence_reg = I915_FENCE_REG_NONE;
list_del_init(&old_obj_priv->fence_list);
+
drm_gem_object_unreference(old_obj);
}