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ipv4: mark expected switch fall-throughs

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

Notice that in some cases I placed the "fall through" comment
on its own line, which is what GCC is expecting to find.

Addresses-Coverity-ID: 115108
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Gustavo A. R. Silva
2017-10-16 15:48:55 -05:00
committed by David S. Miller
parent 86e58cce93
commit fcfd6dfab9
7 changed files with 11 additions and 3 deletions
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net/ipv4/ipmr.c
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@@ -1528,6 +1528,7 @@ int ip_mroute_setsockopt(struct sock *sk, int optname, char __user *optval,
case MRT_ADD_MFC:
case MRT_DEL_MFC:
parent = -1;
/* fall through */
case MRT_ADD_MFC_PROXY:
case MRT_DEL_MFC_PROXY:
if (optlen != sizeof(mfc)) {