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authorChristophe JAILLET <christophe.jaillet@wanadoo.fr>2018-01-06 09:00:09 +0100
committerDavid S. Miller <davem@davemloft.net>2018-01-08 14:30:28 -0500
commit56c0290202ab94a2f2780c449395d4ae8495fab4 (patch)
tree62dfcbad2bd329ed2413f987165f8a05dfac8bce /drivers
parent46cd75036415d94e9cf451e6606a099945d54cc6 (diff)
mdio-sun4i: Fix a memory leak
If the probing of the regulator is deferred, the memory allocated by 'mdiobus_alloc_size()' will be leaking. It should be freed before the next call to 'sun4i_mdio_probe()' which will reallocate it. Fixes: 4bdcb1dd9feb ("net: Add MDIO bus driver for the Allwinner EMAC") Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/phy/mdio-sun4i.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/net/phy/mdio-sun4i.c b/drivers/net/phy/mdio-sun4i.c
index 135296508a7e..6425ce04d3f9 100644
--- a/drivers/net/phy/mdio-sun4i.c
+++ b/drivers/net/phy/mdio-sun4i.c
@@ -118,8 +118,10 @@ static int sun4i_mdio_probe(struct platform_device *pdev)
data->regulator = devm_regulator_get(&pdev->dev, "phy");
if (IS_ERR(data->regulator)) {
- if (PTR_ERR(data->regulator) == -EPROBE_DEFER)
- return -EPROBE_DEFER;
+ if (PTR_ERR(data->regulator) == -EPROBE_DEFER) {
+ ret = -EPROBE_DEFER;
+ goto err_out_free_mdiobus;
+ }
dev_info(&pdev->dev, "no regulator found\n");
data->regulator = NULL;