drm/i915: remove bogus mutex_unlock from error-path
This has been lost in the locking rework for intel_alloc_context_page:
commit 2c34b850ee1e9f86b41706149d0954eee58757a3
Author: Ben Widawsky <ben@bwidawsk.net>
Date: Sat Mar 19 18:14:26 2011 -0700
drm/i915: fix ilk rc6 teardown locking
Cc: Ben Widawsky <ben@bwidawsk.net>
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 3bcc745..61fee7f 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -2289,7 +2289,6 @@
i915_gem_object_unpin(ctx);
err_unref:
drm_gem_object_unreference(&ctx->base);
- mutex_unlock(&dev->struct_mutex);
return NULL;
}