commit c9858b7d7429d05d291311747ec863610769b11c
author Jeff Boody <jboody@codeaurora.org> Fri Aug 17 12:59:08 2012 -0600
committer Jeff Boody <jboody@codeaurora.org> Mon Sep 17 23:35:37 2012 -0600
tree 46236546876e49f214cbb54bf9002c7d1f3f9534
parent af31e634e36252ea9ba695b63d2d384d1908e0c4

base: sync: signal a sync pt when not adding to the active_list

A sync point that is not added to the active_list will never signal
in sync_timeline_signal thus causing sync_fence_wait to deadlock or
block until the timeout expired.

Change-Id: I75168d0eec874bf70dd8c28db9508dd8fc1077d3
Signed-off-by: Jeff Boody <jboody@codeaurora.org>

drivers/base/sync.c

diff --git a/drivers/base/sync.c b/drivers/base/sync.c
index 9bc0da5..c0690c8 100644
--- a/drivers/base/sync.c
+++ b/drivers/base/sync.c
@@ -218,8 +218,10 @@
 	spin_lock_irqsave(&obj->active_list_lock, flags);
 
 	err = _sync_pt_has_signaled(pt);
-	if (err != 0)
+	if (err != 0) {
+		sync_fence_signal_pt(pt);
 		goto out;
+	}
 
 	list_add_tail(&pt->active_list, &obj->active_list_head);