crypto/chcr: error seen if CONFIG_CHELSIO_TLS_DEVICE isn't set

cxgb4_uld_in_use() is used only by cxgb4_ktls_det_feature() which
is under CONFIG_CHELSIO_TLS_DEVICE macro.

Fixes: a3ac249a ("cxgb4/chcr: Enable ktls settings at run time")
Signed-off-by: Rohit Maheshwari <rohitm@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c

@@ -663,6 +663,7 @@ static int uld_attach(struct adapter *adap, unsigned int uld)
 	return 0;
 }
 
+#ifdef CONFIG_CHELSIO_TLS_DEVICE
 static bool cxgb4_uld_in_use(struct adapter *adap)
 {
 	const struct tid_info *t = &adap->tids;
@@ -670,7 +671,6 @@ static bool cxgb4_uld_in_use(struct adapter *adap)
 	return (atomic_read(&t->conns_in_use) || t->stids_in_use);
 }
 
-#ifdef CONFIG_CHELSIO_TLS_DEVICE
 /* cxgb4_set_ktls_feature: request FW to enable/disable ktls settings.
  * @adap: adapter info
  * @enable: 1 to enable / 0 to disable ktls settings.