From 5cc70bbcacf6728b598b529a061930d8271adbb5 Mon Sep 17 00:00:00 2001
From: Johan Hovold <johan@kernel.org>
Date: Wed, 30 Nov 2016 15:29:53 +0100
Subject: [PATCH] net: ethernet: stmmac: dwmac-meson8b: fix probe error path
Make sure to disable clocks before returning on late probe errors.
Fixes: 566e82516253 ("net: stmmac: add a glue driver for the Amlogic
Meson 8b / GXBB DWMAC")
Signed-off-by: Johan Hovold <johan@kernel.org>
Acked-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c
index 250e4ceafc8d..45e7aaf0170d 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c
@@ -289,7 +289,16 @@ static int meson8b_dwmac_probe(struct platform_device *pdev)
plat_dat->bsp_priv = dwmac;
- return stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
+ ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
+ if (ret)
+ goto err_clk_disable;
+
+ return 0;
+
+err_clk_disable:
+ clk_disable_unprepare(dwmac->m25_div_clk);
+
+ return ret;
}
static int meson8b_dwmac_remove(struct platform_device *pdev)
--
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