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-rw-r--r--fs/nfs/fs_context.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/nfs/fs_context.c b/fs/nfs/fs_context.c
index 0247dcb7b316..dfd95847f005 100644
--- a/fs/nfs/fs_context.c
+++ b/fs/nfs/fs_context.c
@@ -1215,6 +1215,10 @@ static int nfs_fs_context_validate(struct fs_context *fc)
}
} else {
nfs_set_mount_transport_protocol(ctx);
+#ifdef CONFIG_NFS_DISABLE_UDP_SUPPORT
+ if (ctx->nfs_server.protocol == XPRT_TRANSPORT_UDP)
+ goto out_invalid_transport_udp;
+#endif
if (ctx->nfs_server.protocol == XPRT_TRANSPORT_RDMA)
port = NFS_RDMA_PORT;
}