Fix: lib_ring_buffer_copy_from_user_inatomic error handling

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

diff --git a/lib/ringbuffer/backend_internal.h b/lib/ringbuffer/backend_internal.h
index 04a7ae17db7ea7fcba964f1d64092c5de7409b22..16001776f6ebcc4b9477c427a868509b9bc5c387 100644 (file)
--- a/lib/ringbuffer/backend_internal.h
+++ b/lib/ringbuffer/backend_internal.h
@@ -23,9 +23,9 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#include "../../wrapper/ringbuffer/config.h"
-#include "../../wrapper/ringbuffer/backend_types.h"
-#include "../../wrapper/ringbuffer/frontend_types.h"
+#include <wrapper/ringbuffer/config.h>
+#include <wrapper/ringbuffer/backend_types.h>
+#include <wrapper/ringbuffer/frontend_types.h>
 #include <linux/string.h>
 #include <linux/uaccess.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,