drm/i915: release mutex in i915_gem_init()'s error path

Found with smatch.

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

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index d230c3bbb4ff..4054ce47a805 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -4467,8 +4467,10 @@ int i915_gem_init(struct drm_device *dev)
         i915_gem_init_global_gtt(dev);
 
         ret = i915_gem_context_init(dev);
-        if (ret)
+        if (ret) {
+                mutex_unlock(&dev->struct_mutex);
                 return ret;
+        }
 
         ret = i915_gem_init_hw(dev);
         mutex_unlock(&dev->struct_mutex);