linux-kernel - [PATCH] ntb: ntb_transport: Mark expected switch fall-throughs

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Message-ID: <20181005071234.GA8803@embeddedor.com>
Date:   Fri, 5 Oct 2018 09:12:34 +0200
From:   "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To:     Jon Mason <jdmason@...zu.us>, Dave Jiang <dave.jiang@...el.com>,
        Allen Hubbe <allenbh@...il.com>
Cc:     linux-ntb@...glegroups.com, linux-kernel@...r.kernel.org,
        "Gustavo A. R. Silva" <gustavo@...eddedor.com>
Subject: [PATCH] ntb: ntb_transport: Mark expected switch fall-throughs

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

Addresses-Coverity-ID: 1373888 ("Missing break in switch")
Addresses-Coverity-ID: 1373889 ("Missing break in switch")
Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>
---
 drivers/ntb/ntb_transport.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/ntb/ntb_transport.c b/drivers/ntb/ntb_transport.c
index 9398959..c643b9c 100644
--- a/drivers/ntb/ntb_transport.c
+++ b/drivers/ntb/ntb_transport.c
@@ -1278,6 +1278,7 @@ static void ntb_rx_copy_callback(void *data,
 		case DMA_TRANS_READ_FAILED:
 		case DMA_TRANS_WRITE_FAILED:
 			entry->errors++;
+			/* fall through */
 		case DMA_TRANS_ABORTED:
 		{
 			struct ntb_transport_qp *qp = entry->qp;
@@ -1533,6 +1534,7 @@ static void ntb_tx_copy_callback(void *data,
 		case DMA_TRANS_READ_FAILED:
 		case DMA_TRANS_WRITE_FAILED:
 			entry->errors++;
+			/* fall through */
 		case DMA_TRANS_ABORTED:
 		{
 			void __iomem *offset =
-- 
2.7.4