1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/channel_gk20a.h b/drivers/gpu/nvgpu/gk20a/channel_gk20a.h
index a44321bc..f6571b6f 100644
--- a/drivers/gpu/nvgpu/gk20a/channel_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/channel_gk20a.h
@@ -177,6 +177,7 @@ struct channel_gk20a {
         struct dma_buf *error_notifier_ref;
         struct nvgpu_notification *error_notifier;
         void *error_notifier_va;
+        struct mutex error_notifier_mutex;
 
         struct mutex sync_lock;
         struct gk20a_channel_sync *sync;