1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/common/linux/ioctl_ctrl.c b/drivers/gpu/nvgpu/common/linux/ioctl_ctrl.c
index 0357f098..220cb3e7 100644
--- a/drivers/gpu/nvgpu/common/linux/ioctl_ctrl.c
+++ b/drivers/gpu/nvgpu/common/linux/ioctl_ctrl.c
@@ -330,6 +330,10 @@ static int nvgpu_gpu_ioctl_l2_fb_ops(struct gk20a *g,
 {
         int err = 0;
 
+        if ((!args->l2_flush && !args->fb_flush) ||
+            (!args->l2_flush && args->l2_invalidate))
+                return -EINVAL;
+
         if (args->l2_flush)
                 g->ops.mm.l2_flush(g, args->l2_invalidate ? true : false);