diff options
Diffstat (limited to 'fs/nfs/super.c')
| -rw-r--r-- | fs/nfs/super.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/fs/nfs/super.c b/fs/nfs/super.c index c3d8fcf38523..038b20b38b22 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -600,16 +600,21 @@ static void nfs_umount_begin(struct vfsmount *vfsmnt, int flags) } /* - * Sanity-check a server address provided by the mount command + * Sanity-check a server address provided by the mount command. + * + * Address family must be initialized, and address must not be + * the ANY address for that family. */ static int nfs_verify_server_address(struct sockaddr *addr) { switch (addr->sa_family) { case AF_INET: { - struct sockaddr_in *sa = (struct sockaddr_in *) addr; - if (sa->sin_addr.s_addr != INADDR_ANY) - return 1; - break; + struct sockaddr_in *sa = (struct sockaddr_in *)addr; + return sa->sin_addr.s_addr != INADDR_ANY; + } + case AF_INET6: { + struct in6_addr *sa = &((struct sockaddr_in6 *)addr)->sin6_addr; + return !ipv6_addr_any(sa); } } |