From: Chris Wilson Date: Tue, 1 Sep 2009 11:02:39 +0000 (+0100) Subject: drm/i915: Unref old_obj on get_fence_reg() error path X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=58c2fb647a3cf70a90d7b33a3f2a8396a20a0bc4;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git 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 Signed-off-by: Eric Anholt --- 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); }