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net: appletalk: cops: mark expected switch fall-through 

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

Notice that, in this particular case, the fall-through annotation
is placed at the beginning of the code comment, which is what
GCC is expecting to find.

Warning level 3 was used: -Wimplicit-fallthrough=3

This patch is part of the ongoing efforts to enabling
-Wimplicit-fallthrough.

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 2019-02-08 12:53:56 -06:00 committed by David S. Miller
parent a9b6d9ef09
commit 2067458cf6
1 changed files with 1 additions and 1 deletions
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2
drivers/net/appletalk/cops.c
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@ -301,7 +301,7 @@ static int __init cops_probe1(struct net_device *dev, int ioaddr)
dev->irq = cops_irq(ioaddr, board);
if (dev->irq)
break;
/* No IRQ found on this port, fallthrough */
/* fall through - Once no IRQ found on this port. */
case 1:
retval = -EINVAL;
goto err_out;