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| author | Chuck Lever <chuck.lever@oracle.com> | 2007-12-10 14:57:53 -0500 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2008-01-30 02:05:53 -0500 |
| commit | 04dcd6e3aceedff9fcc96ce3014688d5b642d627 (patch) | |
| tree | 814b5d9eab6f7c6600efc4d6b1553f5d346afd26 /fs/nfs/super.c | |
| parent | cdcd7f9abc8c95524376835fbe8e11c5f7bf588e (diff) | |
| download | linux-04dcd6e3aceedff9fcc96ce3014688d5b642d627.tar.gz | |
NFS: Make setting a port number agostic
We'll need to set the port number of an AF_INET or AF_INET6 address in several places in fs/nfs/super.c, so introduce a helper that can manage this for us. We put this helper to immediate use. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/super.c')
| -rw-r--r-- | fs/nfs/super.c | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/fs/nfs/super.c b/fs/nfs/super.c index 038b20b38b22..ef1aad774e6c 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -600,6 +600,25 @@ static void nfs_umount_begin(struct vfsmount *vfsmnt, int flags) } /* + * Set the port number in an address. Be agnostic about the address family. + */ +static void nfs_set_port(struct sockaddr *sap, unsigned short port) +{ + switch (sap->sa_family) { + case AF_INET: { + struct sockaddr_in *ap = (struct sockaddr_in *)sap; + ap->sin_port = htons(port); + break; + } + case AF_INET6: { + struct sockaddr_in6 *ap = (struct sockaddr_in6 *)sap; + ap->sin6_port = htons(port); + break; + } + } +} + +/* * Sanity-check a server address provided by the mount command. * * Address family must be initialized, and address must not be @@ -629,6 +648,7 @@ static int nfs_parse_mount_options(char *raw, struct nfs_parsed_mount_data *mnt) { char *p, *string; + unsigned short port = 0; if (!raw) { dfprintk(MOUNT, "NFS: mount options string was NULL.\n"); @@ -731,7 +751,7 @@ static int nfs_parse_mount_options(char *raw, return 0; if (option < 0 || option > 65535) return 0; - mnt->nfs_server.address.sin_port = htons(option); + port = option; break; case Opt_rsize: if (match_int(args, &mnt->rsize)) @@ -973,6 +993,8 @@ static int nfs_parse_mount_options(char *raw, } } + nfs_set_port((struct sockaddr *)&mnt->nfs_server.address, port); + return 1; out_nomem: @@ -1023,7 +1045,7 @@ static int nfs_try_mount(struct nfs_parsed_mount_data *args, /* * autobind will be used if mount_server.port == 0 */ - sin.sin_port = htons(args->mount_server.port); + nfs_set_port((struct sockaddr *)&sin, args->mount_server.port); /* * Now ask the mount server to map our export path |