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-rw-r--r--fs/nfs/super.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 4100630c9a5..dd56eec16ea 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -598,7 +598,9 @@ static void nfs_show_mountd_options(struct seq_file *m, struct nfs_server *nfss,
if (nfss->mountd_version || showdefaults)
seq_printf(m, ",mountvers=%u", nfss->mountd_version);
- if (nfss->mountd_port || showdefaults)
+ if ((nfss->mountd_port &&
+ nfss->mountd_port != (unsigned short)NFS_UNSPEC_PORT) ||
+ showdefaults)
seq_printf(m, ",mountport=%u", nfss->mountd_port);
nfs_show_mountd_netid(m, nfss, showdefaults);