gpu: nvgpu: fix read after free

Fix coverity issue of  "Read from pointer after free"
Coverity id : 20418

Bug 200116059

Change-Id: Id7439986b4380ea427ffedf601455272c4c15a65
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/1011296
Reviewed-by: Sachin Nikam <snikam@nvidia.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/vgpu/gr_vgpu.c b/drivers/gpu/nvgpu/vgpu/gr_vgpu.c
index 2b98dc50..f83f35b8 100644
--- a/drivers/gpu/nvgpu/vgpu/gr_vgpu.c
+++ b/drivers/gpu/nvgpu/vgpu/gr_vgpu.c
@@ -279,9 +279,9 @@ int vgpu_gr_alloc_gr_ctx(struct gk20a *g,
         err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg));
 
         if (err || msg.ret) {
-                kfree(gr_ctx);
                 gk20a_vm_free_va(vm, gr_ctx->mem.gpu_va,
                                  gr_ctx->mem.size, 0);
+                kfree(gr_ctx);
                 err = -ENOMEM;
         }