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

[Gustavo A. R. Silva]

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@xxxxxxxxxx>
---
Changes in v2:
 - Use fallthrough; instead of break;
 - Update changelog text.
 Link: https://lore.kernel.org/linux-hardening/25941c37-6e38-88ae-3afe-4f5af44380d3@xxxxxxxxx/

 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