X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=lib%2Fringbuffer%2Fbackend_internal.h;h=16001776f6ebcc4b9477c427a868509b9bc5c387;hb=d87a9f0376535ea0ab125f2f0cfc6ce6e325c0c1;hp=d18967d6738d48721eed9d1471c0140d02b99629;hpb=fe40f016c667f247b8e81c318cafa173de745fdd;p=lttng-modules.git

diff --git a/lib/ringbuffer/backend_internal.h b/lib/ringbuffer/backend_internal.h
index d18967d6..16001776 100644
--- a/lib/ringbuffer/backend_internal.h
+++ b/lib/ringbuffer/backend_internal.h
@@ -451,6 +451,8 @@ do {								\
 /*
  * We use __copy_from_user_inatomic to copy userspace data since we already
  * did the access_ok for the whole range.
+ *
+ * Return 0 if OK, nonzero on error.
  */
 static inline
 unsigned long lib_ring_buffer_do_copy_from_user_inatomic(void *dest,