linux-hardening - [PATCH v2][next] ASoC: ti: davinci-mcasp: Fix fall-through warning for Clang

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Date:   Fri, 4 Jun 2021 02:27:14 -0500
From:   "Gustavo A. R. Silva" <gustavoars@...nel.org>
To:     Peter Ujfalusi <peter.ujfalusi@...il.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        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" <gustavoars@...nel.org>,
        linux-hardening@...r.kernel.org
Subject: [PATCH v2][next] ASoC: ti: davinci-mcasp: Fix fall-through warning
 for Clang

In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning
by explicitly adding a fallthrough; statement.

Link: https://github.com/KSPP/linux/issues/115
Signed-off-by: Gustavo A. R. Silva <gustavoars@...nel.org>
---
Changes in v2:
 - Use fallthrough; instead of break;
 - Update changelog text.
 Link: https://lore.kernel.org/linux-hardening/25941c37-6e38-88ae-3afe-4f5af44380d3@gmail.com/

 sound/soc/ti/davinci-mcasp.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/soc/ti/davinci-mcasp.c b/sound/soc/ti/davinci-mcasp.c
index b94220306d1a..017a5a5e56cd 100644
--- a/sound/soc/ti/davinci-mcasp.c
+++ b/sound/soc/ti/davinci-mcasp.c
@@ -2317,6 +2317,7 @@ static int davinci_mcasp_probe(struct platform_device *pdev)
 		break;
 	default:
 		dev_err(&pdev->dev, "No DMA controller found (%d)\n", ret);
+		fallthrough;
 	case -EPROBE_DEFER:
 		goto err;
 	}
-- 
2.27.0