net: ipx: mark expected switch fall-through

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

---
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(+)

index ac598ec..d21a9d1 100644
@@ -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

From: "Gustavo A. R. Silva" <[email protected]>
Date: Mon, 16 Oct 2017 16:53:16 -0500

Applied.