This is a note to let you know that I've just added the patch titled
net: ethernet: arc: fix error handling in emac_rockchip_probe
to the 4.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
net-ethernet-arc-fix-error-handling-in-emac_rockchip_probe.patch
and it can be found in the queue-4.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From foo@baz Fri Feb 23 11:48:40 CET 2018
From: Branislav Radocaj <branislav@xxxxxxxxxxx>
Date: Thu, 7 Dec 2017 00:07:38 +0100
Subject: net: ethernet: arc: fix error handling in emac_rockchip_probe
From: Branislav Radocaj <branislav@xxxxxxxxxxx>
[ Upstream commit e46772a6946a7d1f3fbbc1415871851d6651f1d4 ]
If clk_set_rate() fails, we should disable clk before return.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Branislav Radocaj <branislav@xxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/ethernet/arc/emac_rockchip.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
--- a/drivers/net/ethernet/arc/emac_rockchip.c
+++ b/drivers/net/ethernet/arc/emac_rockchip.c
@@ -220,9 +220,11 @@ static int emac_rockchip_probe(struct pl
/* RMII TX/RX needs always a rate of 25MHz */
err = clk_set_rate(priv->macclk, 25000000);
- if (err)
+ if (err) {
dev_err(dev,
"failed to change mac clock rate (%d)\n", err);
+ goto out_clk_disable_macclk;
+ }
}
err = arc_emac_probe(ndev, interface);
@@ -232,7 +234,8 @@ static int emac_rockchip_probe(struct pl
}
return 0;
-
+out_clk_disable_macclk:
+ clk_disable_unprepare(priv->macclk);
out_regulator_disable:
if (priv->regulator)
regulator_disable(priv->regulator);
Patches currently in stable-queue which might be from branislav@xxxxxxxxxxx are
queue-4.9/net-ethernet-arc-fix-error-handling-in-emac_rockchip_probe.patch