linux-kernel - [PATCH] dmaengine: nbpfaxi: mark expected switch fall-through

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Date:   Fri, 13 Oct 2017 15:17:19 -0500
From:   "Gustavo A. R. Silva" <garsilva@...eddedor.com>
To:     Dan Williams <dan.j.williams@...el.com>,
        Vinod Koul <vinod.koul@...el.com>
Cc:     dmaengine@...r.kernel.org, linux-kernel@...r.kernel.org,
        "Gustavo A. R. Silva" <garsilva@...eddedor.com>
Subject: [PATCH] dmaengine: nbpfaxi: mark expected switch fall-through

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

Signed-off-by: Gustavo A. R. Silva <garsilva@...eddedor.com>
---
 drivers/dma/nbpfaxi.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/dma/nbpfaxi.c b/drivers/dma/nbpfaxi.c
index d3f918a..68a3a83 100644
--- a/drivers/dma/nbpfaxi.c
+++ b/drivers/dma/nbpfaxi.c
@@ -479,6 +479,7 @@ static size_t nbpf_xfer_size(struct nbpf_device *nbpf,
 
 	default:
 		pr_warn("%s(): invalid bus width %u\n", __func__, width);
+		/* fall through */
 	case DMA_SLAVE_BUSWIDTH_1_BYTE:
 		size = burst;
 	}
-- 
2.7.4