1 files changed, 1 insertions, 1 deletions

diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
index 89be13c9e76..e41a08ffbe0 100644
--- a/fs/nfsd/nfsctl.c
+++ b/fs/nfsd/nfsctl.c
@@ -712,7 +712,7 @@ static ssize_t __write_ports_addxprt(char *buf)
         int port, err;
         struct net *net = &init_net;
 
-        if (sscanf(buf, "%15s %4u", transport, &port) != 2)
+        if (sscanf(buf, "%15s %5u", transport, &port) != 2)
                 return -EINVAL;
 
         if (port < 1 || port > USHRT_MAX)