diff options
| author | Christophe JAILLET <christophe.jaillet@wanadoo.fr> | 2018-03-18 23:59:36 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-03-31 18:05:45 +0200 |
| commit | 41d133c01d2060cff14bf0873c0bec6f6c83c2ef (patch) | |
| tree | 342e310a24753da75eee8bad274b2a8cd4c9a4f4 | |
| parent | 8e903f5083908ee9a087f270099c8b0e92cd343b (diff) | |
net: ethernet: arc: Fix a potential memory leak if an optional regulator is deferred
[ 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>
| -rw-r--r-- | drivers/net/ethernet/arc/emac_rockchip.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/net/ethernet/arc/emac_rockchip.c b/drivers/net/ethernet/arc/emac_rockchip.c index 16f9bee992fe..0f6576802607 100644 --- 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 platform_device *pdev) /* 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; } |