drm/i915: check for oom when allocating private_default_ctx

Found with smatch

Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c
index 985c1ed..19fd362 100644 (file)
--- a/drivers/gpu/drm/i915/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/i915_gem_context.c
@@ -489,6 +489,10 @@ int i915_gem_context_open(struct drm_device *dev, struct drm_file *file)
                /* Cheat for hang stats */
                file_priv->private_default_ctx =
                        kzalloc(sizeof(struct i915_hw_context), GFP_KERNEL);
+
+               if (file_priv->private_default_ctx == NULL)
+                       return -ENOMEM;
+
                file_priv->private_default_ctx->vm = &dev_priv->gtt.base;
                return 0;
        }