This is a note to let you know that I've just added the patch titled

net: ethernet: arc: Fix a potential memory leak if an optional regulator is deferred

to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...

The filename of the patch is: net-ethernet-arc-fix-a-potential-memory-leak-if-an-optional-regulator-is-deferred.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@vger.kernel.org know about it.

From foo@baz Wed Mar 28 20:16:33 CEST 2018

From: Christophe JAILLET christophe.jaillet@wanadoo.fr Date: Sun, 18 Mar 2018 23:59:36 +0100 Subject: net: ethernet: arc: Fix a potential memory leak if an optional regulator is deferred

From: Christophe JAILLET christophe.jaillet@wanadoo.fr

[ Upstream commit 00777fac28ba3e126b9e63e789a613e8bd2cab25 ]

If the optional regulator is deferred, we must release some resources. They will be re-allocated when the probe function will be called again.

Fixes: 6eacf31139bf ("ethernet: arc: Add support for Rockchip SoC layer device tree bindings") Signed-off-by: Christophe JAILLET christophe.jaillet@wanadoo.fr Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/net/ethernet/arc/emac_rockchip.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)

--- a/drivers/net/ethernet/arc/emac_rockchip.c +++ b/drivers/net/ethernet/arc/emac_rockchip.c @@ -169,8 +169,10 @@ static int emac_rockchip_probe(struct pl /* Optional regulator for PHY */ priv->regulator = devm_regulator_get_optional(dev, "phy"); if (IS_ERR(priv->regulator)) { - if (PTR_ERR(priv->regulator) == -EPROBE_DEFER) - return -EPROBE_DEFER; + if (PTR_ERR(priv->regulator) == -EPROBE_DEFER) { + err = -EPROBE_DEFER; + goto out_clk_disable; + } dev_err(dev, "no regulator found\n"); priv->regulator = NULL; }

Patches currently in stable-queue which might be from christophe.jaillet@wanadoo.fr are

queue-4.9/net-ethernet-arc-fix-a-potential-memory-leak-if-an-optional-regulator-is-deferred.patch