drm/i915: don't leak struct_mutex lock on ppgtt init failures

Reported-by: Konstantin Belousov <kostikbel@gmail.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
mariux64 · Apr 3, 2012 · e02f14c · e02f14c
1 parent 650dc07
commit e02f14c
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
@@ -1222,8 +1222,10 @@ static int i915_load_gem_init(struct drm_device *dev)
 		i915_gem_do_init(dev, 0, mappable_size, gtt_size);
 
 		ret = i915_gem_init_aliasing_ppgtt(dev);
-		if (ret)
+		if (ret) {
+			mutex_unlock(&dev->struct_mutex);
 			return ret;
+		}
 	} else {
 		/* Let GEM Manage all of the aperture.
 		 *