Fix: ACCESS_ONCE() removed in kernel 4.15

[lttng-modules.git] / lttng-clock.c

diff --git a/lttng-clock.c b/lttng-clock.c
index a5a7eaa3349213b9d64daebf22a93e49b66087c9..48b4be573064b48cbaa9129f9e8e5f689a88ebe0 100644 (file)
--- a/lttng-clock.c
+++ b/lttng-clock.c
@@ -48,7 +48,7 @@ int lttng_clock_register_plugin(struct lttng_trace_clock *ltc,
                goto end;
        }
        /* set clock */
-       ACCESS_ONCE(lttng_trace_clock) = ltc;
+       WRITE_ONCE(lttng_trace_clock, ltc);
        lttng_trace_clock_mod = mod;
 end:
        mutex_unlock(&clock_mutex);
@@ -66,7 +66,7 @@ void lttng_clock_unregister_plugin(struct lttng_trace_clock *ltc,
        }
        WARN_ON_ONCE(lttng_trace_clock_mod != mod);
 
-       ACCESS_ONCE(lttng_trace_clock) = NULL;
+       WRITE_ONCE(lttng_trace_clock, NULL);
        lttng_trace_clock_mod = NULL;
 end:
        mutex_unlock(&clock_mutex);
@@ -83,7 +83,7 @@ void lttng_clock_ref(void)
                ret = try_module_get(lttng_trace_clock_mod);
                if (!ret) {
                        printk(KERN_ERR "LTTng-clock cannot get clock plugin module\n");
-                       ACCESS_ONCE(lttng_trace_clock) = NULL;
+                       WRITE_ONCE(lttng_trace_clock, NULL);
                        lttng_trace_clock_mod = NULL;
                }
        }