gpu: nvgpu: add error check for init_runlist

Allocations in init_runlist can fail. Check for such
a failure during fifo setup is being done.

Bug 1987855

Change-Id: I1771a15ebeac81ab2e3ebc9a75363445a0b6f20d
Signed-off-by: Nitin Kumbhar <nkumbhar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1770801
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 5 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/fifo_gk20a.c b/drivers/gpu/nvgpu/gk20a/fifo_gk20a.c
index 00119300..cd54baf1 100644
--- a/drivers/gpu/nvgpu/gk20a/fifo_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/fifo_gk20a.c
@@ -912,7 +912,11 @@ int gk20a_init_fifo_setup_sw_common(struct gk20a *g)
 
         g->ops.fifo.init_engine_info(f);
 
-        init_runlist(g, f);
+        err = init_runlist(g, f);
+        if (err) {
+                nvgpu_err(g, "failed to init runlist");
+                goto clean_up;
+        }
 
         nvgpu_init_list_node(&f->free_chs);