From: Gustavo A. R. Silva <garsilva@embeddedor.com>
Date: Thu, 9 Nov 2017 02:49:19 +0000 (-0600)
Subject: NFS: super: mark expected switch fall-throughs
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=fd53dde83978ba5f7db3183ce56b3a1c39f448b0;p=openwrt%2Fstaging%2Fblogic.git

NFS: super: mark expected switch fall-throughs

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

Addresses-Coverity-ID: 703509
Addresses-Coverity-ID: 703510
Addresses-Coverity-ID: 703511
Addresses-Coverity-ID: 703512
Addresses-Coverity-ID: 703513
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
---

diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index c9d24bae3025..da19c723a244 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -1456,18 +1456,21 @@ static int nfs_parse_mount_options(char *raw,
 			switch (token) {
 			case Opt_xprt_udp6:
 				protofamily = AF_INET6;
+				/* fall through */
 			case Opt_xprt_udp:
 				mnt->flags &= ~NFS_MOUNT_TCP;
 				mnt->nfs_server.protocol = XPRT_TRANSPORT_UDP;
 				break;
 			case Opt_xprt_tcp6:
 				protofamily = AF_INET6;
+				/* fall through */
 			case Opt_xprt_tcp:
 				mnt->flags |= NFS_MOUNT_TCP;
 				mnt->nfs_server.protocol = XPRT_TRANSPORT_TCP;
 				break;
 			case Opt_xprt_rdma6:
 				protofamily = AF_INET6;
+				/* fall through */
 			case Opt_xprt_rdma:
 				/* vector side protocols to TCP */
 				mnt->flags |= NFS_MOUNT_TCP;
@@ -1494,11 +1497,13 @@ static int nfs_parse_mount_options(char *raw,
 			switch (token) {
 			case Opt_xprt_udp6:
 				mountfamily = AF_INET6;
+				/* fall through */
 			case Opt_xprt_udp:
 				mnt->mount_server.protocol = XPRT_TRANSPORT_UDP;
 				break;
 			case Opt_xprt_tcp6:
 				mountfamily = AF_INET6;
+				/* fall through */
 			case Opt_xprt_tcp:
 				mnt->mount_server.protocol = XPRT_TRANSPORT_TCP;
 				break;
@@ -1988,9 +1993,9 @@ static int nfs23_validate_mount_data(void *options,
 	args->version = NFS_DEFAULT_VERSION;
 	switch (data->version) {
 	case 1:
-		data->namlen = 0;
+		data->namlen = 0; /* fall through */
 	case 2:
-		data->bsize = 0;
+		data->bsize = 0; /* fall through */
 	case 3:
 		if (data->flags & NFS_MOUNT_VER3)
 			goto out_no_v3;
@@ -1998,11 +2003,14 @@ static int nfs23_validate_mount_data(void *options,
 		memcpy(data->root.data, data->old_root.data, NFS2_FHSIZE);
 		/* Turn off security negotiation */
 		extra_flags |= NFS_MOUNT_SECFLAVOUR;
+		/* fall through */
 	case 4:
 		if (data->flags & NFS_MOUNT_SECFLAVOUR)
 			goto out_no_sec;
+		/* fall through */
 	case 5:
 		memset(data->context, 0, sizeof(data->context));
+		/* fall through */
 	case 6:
 		if (data->flags & NFS_MOUNT_VER3) {
 			if (data->root.size > NFS3_FHSIZE || data->root.size == 0)