gpu: nvgpu: add NULL check for sim

sim pointer is not init for non simulation
platforms.

Change-Id: Ia30e66efbb009293b4e1151c2f1e4ac5d08c3d78
Signed-off-by: Seema Khowala <seemaj@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1701681
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Tested-by: Adeel Raza <araza@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/common/linux/module.c b/drivers/gpu/nvgpu/common/linux/module.c
index 81b3db82..53c78447 100644
--- a/drivers/gpu/nvgpu/common/linux/module.c
+++ b/drivers/gpu/nvgpu/common/linux/module.c
@@ -668,7 +668,7 @@ void gk20a_remove_support(struct gk20a *g)
         if (g->mm.remove_support)
                 g->mm.remove_support(&g->mm);
 
-        if (g->sim->remove_support)
+        if (g->sim && g->sim->remove_support)
                 g->sim->remove_support(g->sim);
 
         /* free mappings to registers, etc */