diff options
Diffstat (limited to 'fs/nfsd/nfsctl.c')
| -rw-r--r-- | fs/nfsd/nfsctl.c | 25 |
1 files changed, 19 insertions, 6 deletions
diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c index 2604c3e70ea5..e3591073098f 100644 --- a/fs/nfsd/nfsctl.c +++ b/fs/nfsd/nfsctl.c @@ -4,6 +4,7 @@ * Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de> */ +#include <linux/slab.h> #include <linux/namei.h> #include <linux/ctype.h> @@ -988,6 +989,7 @@ static ssize_t __write_ports_delfd(char *buf) static ssize_t __write_ports_addxprt(char *buf) { char transport[16]; + struct svc_xprt *xprt; int port, err; if (sscanf(buf, "%15s %4u", transport, &port) != 2) @@ -1002,13 +1004,24 @@ static ssize_t __write_ports_addxprt(char *buf) err = svc_create_xprt(nfsd_serv, transport, PF_INET, port, SVC_SOCK_ANONYMOUS); - if (err < 0) { - /* Give a reasonable perror msg for bad transport string */ - if (err == -ENOENT) - err = -EPROTONOSUPPORT; - return err; - } + if (err < 0) + goto out_err; + + err = svc_create_xprt(nfsd_serv, transport, + PF_INET6, port, SVC_SOCK_ANONYMOUS); + if (err < 0 && err != -EAFNOSUPPORT) + goto out_close; return 0; +out_close: + xprt = svc_find_xprt(nfsd_serv, transport, PF_INET, port); + if (xprt != NULL) { + svc_close_xprt(xprt); + svc_xprt_put(xprt); + } +out_err: + /* Decrease the count, but don't shut down the service */ + nfsd_serv->sv_nrthreads--; + return err; } /* |