linux-kernel - [PATCH 2/2] tracing: annotate implicit fall through

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Message-Id: <20190114203039.16535-2-malat@debian.org>
Date:   Mon, 14 Jan 2019 21:30:38 +0100
From:   Mathieu Malaterre <malat@...ian.org>
To:     Steven Rostedt <rostedt@...dmis.org>
Cc:     Mathieu Malaterre <malat@...ian.org>,
        Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] tracing: annotate implicit fall through

There is a plan to build the kernel with -Wimplicit-fallthrough and
this place in the code produced a warning (W=1).

This commit remove the following warning:

  kernel/trace/trace_events_filter.c:494:8: warning: this statement may fall through [-Wimplicit-fallthrough=]

Signed-off-by: Mathieu Malaterre <malat@...ian.org>
---
 kernel/trace/trace_events_filter.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c
index 27821480105e..eb694756c4bb 100644
--- a/kernel/trace/trace_events_filter.c
+++ b/kernel/trace/trace_events_filter.c
@@ -495,6 +495,7 @@ predicate_parse(const char *str, int nr_parens, int nr_preds,
 					ptr++;
 					break;
 				}
+				/* fall through */
 			default:
 				parse_error(pe, FILT_ERR_TOO_MANY_PREDS,
 					    next - str);
-- 
2.19.2