gpu: nvgpu: no hv support for write_sm_error_state

There is no current need for a virtualized version of
nvgpu_dbg_gpu_ioctl_write_single_sm_error_state, so return
-ENOSYS when virtual.

Bug 200331110

Change-Id: I2a8cf07b2962de4c91b752b276678bee4eea6e80
Signed-off-by: Peter Daifuku <pdaifuku@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1568906
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/dbg_gpu_gk20a.c b/drivers/gpu/nvgpu/gk20a/dbg_gpu_gk20a.c
index c3cb0f4c..bf28ed1e 100644
--- a/drivers/gpu/nvgpu/gk20a/dbg_gpu_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/dbg_gpu_gk20a.c
@@ -837,6 +837,10 @@ static int nvgpu_dbg_gpu_ioctl_write_single_sm_error_state(
         struct nvgpu_dbg_gpu_sm_error_state_record *sm_error_state;
         int err = 0;
 
+        /* Not currently supported in the virtual case */
+        if (g->is_virtual)
+                return -ENOSYS;
+
         ch = nvgpu_dbg_gpu_get_session_channel(dbg_s);
         if (!ch)
                 return -EINVAL;