From 0d0f0c192df0282600c6d11c8cc252e7e7a80afc Mon Sep 17 00:00:00 2001 From: Chuck Lever Date: Mon, 10 Dec 2007 14:58:00 -0500 Subject: NFS: Set default port for NFSv4, with support for AF_INET6 Create a helper function to set the default NFS port for NFSv4 mount points. The helper supports both AF_INET and AF_INET6 family addresses. Signed-off-by: Chuck Lever Signed-off-by: Trond Myklebust --- fs/nfs/super.c | 32 ++++++++++++++++++++++++++++---- 1 file changed, 28 insertions(+), 4 deletions(-) diff --git a/fs/nfs/super.c b/fs/nfs/super.c index ef1aad774e6c..a88697ff19ef 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -1595,6 +1595,28 @@ static void nfs4_fill_super(struct super_block *sb) nfs_initialise_sb(sb); } +/* + * If the user didn't specify a port, set the port number to + * the NFS version 4 default port. + */ +static void nfs4_default_port(struct sockaddr *sap) +{ + switch (sap->sa_family) { + case AF_INET: { + struct sockaddr_in *ap = (struct sockaddr_in *)sap; + if (ap->sin_port == 0) + ap->sin_port = htons(NFS_PORT); + break; + } + case AF_INET6: { + struct sockaddr_in6 *ap = (struct sockaddr_in6 *)sap; + if (ap->sin6_port == 0) + ap->sin6_port = htons(NFS_PORT); + break; + } + } +} + /* * Validate NFSv4 mount options */ @@ -1628,12 +1650,13 @@ static int nfs4_validate_mount_data(void *options, data->host_addr, sizeof(args->nfs_server.address))) return -EFAULT; - if (args->nfs_server.address.sin_port == 0) - args->nfs_server.address.sin_port = htons(NFS_PORT); if (!nfs_verify_server_address((struct sockaddr *) &args->nfs_server.address)) goto out_no_address; + nfs4_default_port((struct sockaddr *) + &args->nfs_server.address); + switch (data->auth_flavourlen) { case 0: args->auth_flavors[0] = RPC_AUTH_UNIX; @@ -1687,12 +1710,13 @@ static int nfs4_validate_mount_data(void *options, if (nfs_parse_mount_options((char *)options, args) == 0) return -EINVAL; - if (args->nfs_server.address.sin_port == 0) - args->nfs_server.address.sin_port = htons(NFS_PORT); if (!nfs_verify_server_address((struct sockaddr *) &args->nfs_server.address)) return -EINVAL; + nfs4_default_port((struct sockaddr *) + &args->nfs_server.address); + switch (args->auth_flavor_len) { case 0: args->auth_flavors[0] = RPC_AUTH_UNIX; -- cgit v1.2.3