nvidia-390xx-kmod-0040-fix-fallthrough-warning-nv_mmap_c.patch

diff --git a/nvidia/nv-mmap.c b/nvidia/nv-mmap.c
index dcb8b89..b75b7a2 100644
--- a/nvidia/nv-mmap.c
+++ b/nvidia/nv-mmap.c
@@ -261,6 +261,7 @@ int nv_encode_caching(
         case NV_MEMORY_CACHED:
             if (NV_ALLOW_CACHING(memory_type))
                 break;
+            fallthrough;
         default:
             nv_printf(NV_DBG_ERRORS,
                 "NVRM: VM: cache type %d not supported for memory type %d!\n",