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-rw-r--r--fs/nfsd/nfsctl.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
index 6384c9b94898..b33f9785b756 100644
--- a/fs/nfsd/nfsctl.c
+++ b/fs/nfsd/nfsctl.c
@@ -1126,6 +1126,8 @@ static ssize_t write_v4_end_grace(struct file *file, char *buf, size_t size)
case 'Y':
case 'y':
case '1':
+ if (nn->nfsd_serv)
+ return -EBUSY;
nfsd4_end_grace(nn);
break;
default: