diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index f2cfd36..166335a 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -478,7 +478,7 @@
 	int uuarn;
 	int err;
 	int i;
-	int reqlen;
+	size_t reqlen;
 
 	if (!dev->ib_active)
 		return ERR_PTR(-EAGAIN);