linux-kernel - [PATCH 1/2] tracing: annotate implicit fall through

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Message-Id: <20190114203039.16535-1-malat@debian.org>
Date:   Mon, 14 Jan 2019 21:30:37 +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 1/2] 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_probe.c:302:6: warning: this statement may fall through [-Wimplicit-fallthrough=]

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

diff --git a/kernel/trace/trace_probe.c b/kernel/trace/trace_probe.c
index 9962cb5da8ac..89da34b326e3 100644
--- a/kernel/trace/trace_probe.c
+++ b/kernel/trace/trace_probe.c
@@ -300,6 +300,7 @@ parse_probe_arg(char *arg, const struct fetch_type *type,
 
 	case '+':	/* deref memory */
 		arg++;	/* Skip '+', because kstrtol() rejects it. */
+		/* fall through */
 	case '-':
 		tmp = strchr(arg, '(');
 		if (!tmp)
-- 
2.19.2