diff options
| -rw-r--r-- | fs/nfsd/nfsctl.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c index d491fa9df9b..caf4fdc674c 100644 --- a/fs/nfsd/nfsctl.c +++ b/fs/nfsd/nfsctl.c @@ -911,6 +911,17 @@ static ssize_t write_versions(struct file *file, char *buf, size_t size) } /* + * Zero-length write. Return a list of NFSD's current listener + * transports. + */ +static ssize_t __write_ports_names(char *buf) +{ + if (nfsd_serv == NULL) + return 0; + return svc_xprt_names(nfsd_serv, buf, 0); +} + +/* * A single 'fd' number was written, in which case it must be for * a socket of a supported family/protocol, and we use it as an * nfsd listener. @@ -1019,13 +1030,8 @@ static ssize_t __write_ports_delxprt(char *buf) static ssize_t __write_ports(struct file *file, char *buf, size_t size) { - if (size == 0) { - int len = 0; - - if (nfsd_serv) - len = svc_xprt_names(nfsd_serv, buf, 0); - return len; - } + if (size == 0) + return __write_ports_names(buf); if (isdigit(buf[0])) return __write_ports_addfd(buf); |