staging: tidspbridge: make sync_wait_on_event interruptible

So that avoid non-killable process.

Signed-off-by: Fernando Guzman Lugo <x0095840@ti.com>
Signed-off-by: Omar Ramirez Luna <omar.ramirez@ti.com>

1 files changed, 11 insertions, 2 deletions

diff --git a/drivers/staging/tidspbridge/include/dspbridge/sync.h b/drivers/staging/tidspbridge/include/dspbridge/sync.h
index e2651e7b1c4..df05b8f8e23 100644
--- a/drivers/staging/tidspbridge/include/dspbridge/sync.h
+++ b/drivers/staging/tidspbridge/include/dspbridge/sync.h
@@ -80,13 +80,22 @@ void sync_set_event(struct sync_object *event);
  * This functios will wait until @event is set or until timeout. In case of
  * success the function will return 0 and
  * in case of timeout the function will return -ETIME
+ * in case of signal the function will return -ERESTARTSYS
  */
 
 static inline int sync_wait_on_event(struct sync_object *event,
                                                         unsigned timeout)
 {
-        return wait_for_completion_timeout(&event->comp,
-                msecs_to_jiffies(timeout)) ? 0 : -ETIME;
+        int res;
+
+        res = wait_for_completion_interruptible_timeout(&event->comp,
+                                                msecs_to_jiffies(timeout));
+        if (!res)
+                res = -ETIME;
+        else if (res > 0)
+                res = 0;
+
+        return res;
 }
 
 /**