[Patch -tip 3/3] Tracing/ftrace: Don't consume entries unhandled by mmiotrace

["Frédéric Weisbecker" <fweisbec@gmail.com>]

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When mmiotrace can't handle an entry output, it returns 1.
It should return 0 to relay on other output functions.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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diff --git a/kernel/trace/trace_mmiotrace.c b/kernel/trace/trace_mmiotrace.c
index a108c32..6fe1315 100644
--- a/kernel/trace/trace_mmiotrace.c
+++ b/kernel/trace/trace_mmiotrace.c
@@ -277,7 +277,8 @@ static int mmio_print_line(struct trace_iterator *iter)
 	case TRACE_PRINT:
 		return mmio_print_mark(iter);
 	default:
-		return 1; /* ignore unknown entries */
+		return 0; /* ignore unknown entries whithout consuming */
 	}
 }