net: ravb: Stop DMA in case of failures on ravb_open()

In case ravb_phy_start() returns with error the settings applied in
ravb_dmac_init() are not reverted (e.g. config mode). For this call
ravb_stop_dma() on failure path of ravb_open().

Fixes: a0d2f20650e8 ("Renesas Ethernet AVB PTP clock driver")
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
index 5f1fb94c5ab713056c4cfce6d6ca6b42341ed8a4..6c9e92676106e50fada4b33449d989d89c9f071e 100644 (file)
--- a/drivers/net/ethernet/renesas/ravb_main.c
+++ b/drivers/net/ethernet/renesas/ravb_main.c
@@ -1825,6 +1825,7 @@ out_ptp_stop:
        /* Stop PTP Clock driver */
        if (info->gptp)
                ravb_ptp_stop(ndev);
+       ravb_stop_dma(ndev);
 out_free_irq_mgmta:
        if (!info->multi_irqs)
                goto out_free_irq;