[PATCH 4.4 266/312] net: ethernet: stmmac: dwmac-sti: fix probe error path

[Greg Kroah-Hartman]

From: Johan Hovold <johan@xxxxxxxxxx>

commit 0a9e22715ee384cf2a714c28f24ce8881b9fd815 upstream.

Make sure to disable clocks before returning on late probe errors.

Fixes: 8387ee21f972 ("stmmac: dwmac-sti: turn setup callback into a
probe function")
Signed-off-by: Johan Hovold <johan@xxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 drivers/net/ethernet/stmicro/stmmac/dwmac-sti.c |   11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-sti.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sti.c
@@ -365,7 +365,16 @@ static int sti_dwmac_probe(struct platfo
 	if (ret)
 		return ret;
 
-	return stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
+	ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
+	if (ret)
+		goto err_dwmac_exit;
+
+	return 0;
+
+err_dwmac_exit:
+	sti_dwmac_exit(pdev, plat_dat->bsp_priv);
+
+	return ret;
 }
 
 static const struct sti_dwmac_of_data stih4xx_dwmac_data = {