[PATCH 5.10.y-cip 06/61] net: ethernet: ravb: Fix release of refclk


Lad Prabhakar
 

From: Adam Ford <aford173@...>

commit 36e69da892f1224dabc4a5d0a5948764c318b117 upstream.

The call to clk_disable_unprepare() can happen before priv is
initialized. This means moving clk_disable_unprepare out of
out_release into a new label.

Fixes: 8ef7adc6beb2 ("net: ethernet: ravb: Enable optional refclk")
Signed-off-by: Adam Ford <aford173@...>
Reviewed-by: Sergei Shtylyov <sergei.shtylyov@...>
Signed-off-by: David S. Miller <davem@...>
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...>
---
drivers/net/ethernet/renesas/ravb_main.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
index d1e32a1015eb..e36f52c9da42 100644
--- a/drivers/net/ethernet/renesas/ravb_main.c
+++ b/drivers/net/ethernet/renesas/ravb_main.c
@@ -2160,7 +2160,7 @@ static int ravb_probe(struct platform_device *pdev)
/* Set GTI value */
error = ravb_set_gti(ndev);
if (error)
- goto out_release;
+ goto out_disable_refclk;

/* Request GTI loading */
ravb_modify(ndev, GCCR, GCCR_LTI, GCCR_LTI);
@@ -2179,7 +2179,7 @@ static int ravb_probe(struct platform_device *pdev)
"Cannot allocate desc base address table (size %d bytes)\n",
priv->desc_bat_size);
error = -ENOMEM;
- goto out_release;
+ goto out_disable_refclk;
}
for (q = RAVB_BE; q < DBAT_ENTRY_NUM; q++)
priv->desc_bat[q].die_dt = DT_EOS;
@@ -2239,8 +2239,9 @@ static int ravb_probe(struct platform_device *pdev)
/* Stop PTP Clock driver */
if (chip_id != RCAR_GEN2)
ravb_ptp_stop(ndev);
-out_release:
+out_disable_refclk:
clk_disable_unprepare(priv->refclk);
+out_release:
free_netdev(ndev);

pm_runtime_put(&pdev->dev);
--
2.17.1

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