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net: macb: Mark expected switch fall-through

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

Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Gustavo A. R. Silva 2018-08-07 18:11:26 -05:00 committed by David S. Miller
parent bc171e87a7
commit b4bc39a3f6
1 changed files with 1 additions and 0 deletions
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drivers/net/ethernet/cadence/macb_ptp.c
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@ -466,6 +466,7 @@ int gem_set_hwtst(struct net_device *dev, struct ifreq *ifr, int cmd)
case HWTSTAMP_TX_ONESTEP_SYNC:
if (gem_ptp_set_one_step_sync(bp, 1) != 0)
return -ERANGE;
/* fall through */
case HWTSTAMP_TX_ON:
tx_bd_control = TSTAMP_ALL_FRAMES;
break;