linux-kernel - [PATCH] ALSA: pcm: Mark expected switch fall-through

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Message-ID: <20180801155825.GA4876@embeddedor.com>
Date:   Wed, 1 Aug 2018 10:58:25 -0500
From:   "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To:     Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>
Cc:     alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
        "Gustavo A. R. Silva" <gustavo@...eddedor.com>
Subject: [PATCH] ALSA: pcm: Mark expected switch fall-through

In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.

Addresses-Coverity-ID: 1357375 ("Missing break in switch")
Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>
---
 sound/core/oss/pcm_plugin.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/core/oss/pcm_plugin.c b/sound/core/oss/pcm_plugin.c
index 85bab92..0391cb1a 100644
--- a/sound/core/oss/pcm_plugin.c
+++ b/sound/core/oss/pcm_plugin.c
@@ -353,6 +353,7 @@ snd_pcm_format_t snd_pcm_plug_slave_format(snd_pcm_format_t format,
 				if (snd_mask_test(format_mask, (__force int)format1))
 					return format1;
 			}
+			/* fall through */
 		default:
 			return (__force snd_pcm_format_t)-EINVAL;
 		}
-- 
2.7.4