[PATCH] net: ipx: mark expected switch fall-through

[Gustavo A. R. Silva]

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

Signed-off-by: Gustavo A. R. Silva <garsilva@xxxxxxxxxxxxxx>
---
This code was tested by compilation only (GCC 7.2.0 was used).
Please, verify if the actual intention of the code is to fall through.

 net/ipx/af_ipx.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/ipx/af_ipx.c b/net/ipx/af_ipx.c
index ac598ec..d21a9d1 100644
--- a/net/ipx/af_ipx.c
+++ b/net/ipx/af_ipx.c
@@ -1867,6 +1867,7 @@ static int ipx_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 		rc = -EPERM;
 		if (!capable(CAP_NET_ADMIN))
 			break;
+		/* fall through */
 	case SIOCGIFADDR:
 		rc = ipxitf_ioctl(cmd, argp);
 		break;
-- 
2.7.4