diff --git a/drivers/infiniband/core/umem.c b/drivers/infiniband/core/umem.c
index 81f44dadfa52..88110b9661f5 100644
--- a/drivers/infiniband/core/umem.c
+++ b/drivers/infiniband/core/umem.c
@@ -677,6 +677,9 @@ int ib_umem_check_rereg(struct ib_umem *umem, int flags, int new_access_flags)
 	if (!umem)
 		return 0;
 
+	if (umem->is_dmabuf)
+		return -EOPNOTSUPP;
+
 	if ((flags & IB_MR_REREG_ACCESS) && !(flags & IB_MR_REREG_TRANS))
 		if (ib_access_writable(new_access_flags) && !umem->writable)
 			return -EACCES;