linux-kernel - [PATCH] net: 3com: 3c574_cs: mark expected switch fall-through

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Date:   Wed, 8 Nov 2017 21:49:33 -0600
From:   "Gustavo A. R. Silva" <garsilva@...eddedor.com>
To:     "David S. Miller" <davem@...emloft.net>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        "Gustavo A. R. Silva" <garsilva@...eddedor.com>
Subject: [PATCH] net: 3com: 3c574_cs: mark expected switch fall-through

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

Addresses-Coverity-ID: 114888
Signed-off-by: Gustavo A. R. Silva <garsilva@...eddedor.com>
---
 drivers/net/ethernet/3com/3c574_cs.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/3com/3c574_cs.c b/drivers/net/ethernet/3com/3c574_cs.c
index 48bc7fa..3044a6f 100644
--- a/drivers/net/ethernet/3com/3c574_cs.c
+++ b/drivers/net/ethernet/3com/3c574_cs.c
@@ -1046,6 +1046,7 @@ static int el3_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
 	switch(cmd) {
 	case SIOCGMIIPHY:		/* Get the address of the PHY in use. */
 		data->phy_id = phy;
+		/* fall through */
 	case SIOCGMIIREG:		/* Read the specified MII register. */
 		{
 			int saved_window;
-- 
2.7.4