diff options
Diffstat (limited to 'drivers/gpu/nvgpu/gk20a/channel_sync_gk20a.c')
-rw-r--r-- | drivers/gpu/nvgpu/gk20a/channel_sync_gk20a.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/nvgpu/gk20a/channel_sync_gk20a.c b/drivers/gpu/nvgpu/gk20a/channel_sync_gk20a.c index 4d366fa9..ef9e3a37 100644 --- a/drivers/gpu/nvgpu/gk20a/channel_sync_gk20a.c +++ b/drivers/gpu/nvgpu/gk20a/channel_sync_gk20a.c | |||
@@ -458,6 +458,9 @@ static int gk20a_channel_semaphore_wait_fd( | |||
458 | goto fail; | 458 | goto fail; |
459 | } | 459 | } |
460 | 460 | ||
461 | /* worker takes one reference */ | ||
462 | gk20a_semaphore_get(w->sema); | ||
463 | |||
461 | gk20a_channel_alloc_priv_cmdbuf(c, 8, &wait_cmd); | 464 | gk20a_channel_alloc_priv_cmdbuf(c, 8, &wait_cmd); |
462 | if (wait_cmd == NULL) { | 465 | if (wait_cmd == NULL) { |
463 | gk20a_err(dev_from_gk20a(c->g), | 466 | gk20a_err(dev_from_gk20a(c->g), |