Fix: ACCESS_ONCE() removed in kernel 4.15

[lttng-modules.git] / lib / ringbuffer / backend.h

diff --git a/lib/ringbuffer/backend.h b/lib/ringbuffer/backend.h
index 9db0095638973a2e0fb6da77affde9fb30bed8f5..0b75de8a65137aa1e7cd16a25afe26a280a5792d 100644 (file)
--- a/lib/ringbuffer/backend.h
+++ b/lib/ringbuffer/backend.h
@@ -169,7 +169,7 @@ size_t lib_ring_buffer_do_strcpy(const struct lib_ring_buffer_config *config,
                 * Only read source character once, in case it is
                 * modified concurrently.
                 */
-               c = ACCESS_ONCE(src[count]);
+               c = READ_ONCE(src[count]);
                if (!c)
                        break;
                lib_ring_buffer_do_copy(config, &dest[count], &c, 1);