diff options
Diffstat (limited to 'drivers/dma-buf/dmabuf-sync.c')
| -rw-r--r-- | drivers/dma-buf/dmabuf-sync.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/dma-buf/dmabuf-sync.c b/drivers/dma-buf/dmabuf-sync.c index 790383855a0..5f51e17b12a 100644 --- a/drivers/dma-buf/dmabuf-sync.c +++ b/drivers/dma-buf/dmabuf-sync.c @@ -630,14 +630,21 @@ static bool is_higher_priority_than_current(struct dma_buf *dmabuf, bool ret = false; spin_lock_irqsave(&orders_lock, o_flags); - if (list_empty(&orders)) { + if (unlikely(list_empty(&orders))) { /* There should be no such case. */ WARN_ON(1); goto out; } list_for_each_entry(sobj, &orders, g_head) { - if (sobj != csobj) + struct seqno_fence *old_sf, *cur_sf; + + old_sf = sobj->sfence; + cur_sf = csobj->sfence; + WARN_ON(!old_sf || !cur_sf); + + if (old_sf->base.context != cur_sf->base.context && + sobj != csobj) ret = true; break; } |