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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2019-09-16 09:56:27 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2019-09-16 09:56:27 -0700
commit0898782247ae533d1f4e47a06bc5d4870931b284 (patch)
tree21f75cc590542a870f42350b9410fc0588f02b79 /include/linux/reservation.h
parent0c043d70d04711fe6c380df9065fdc44192c49bf (diff)
parent410f25de467ee94c1a577c6ee7370c37b376c17c (diff)
downloadlwn-0898782247ae533d1f4e47a06bc5d4870931b284.tar.gz
lwn-0898782247ae533d1f4e47a06bc5d4870931b284.zip
Merge branch 'next' into for-linus
Prepare input updates for 5.4 merge window.
Diffstat (limited to 'include/linux/reservation.h')
-rw-r--r--include/linux/reservation.h8
1 files changed, 6 insertions, 2 deletions
diff --git a/include/linux/reservation.h b/include/linux/reservation.h
index ee750765cc94..644a22dbe53b 100644
--- a/include/linux/reservation.h
+++ b/include/linux/reservation.h
@@ -216,8 +216,12 @@ reservation_object_unlock(struct reservation_object *obj)
{
#ifdef CONFIG_DEBUG_MUTEXES
/* Test shared fence slot reservation */
- if (obj->fence)
- obj->fence->shared_max = obj->fence->shared_count;
+ if (rcu_access_pointer(obj->fence)) {
+ struct reservation_object_list *fence =
+ reservation_object_get_list(obj);
+
+ fence->shared_max = fence->shared_count;
+ }
#endif
ww_mutex_unlock(&obj->lock);
}