While looking for drivers which forgot to clear i2c_clientdata before freeing
the data structure it points to, I found that the pismo driver even has a leak
on the probe error path.
Signed-off-by: Wolfram Sang <w.sang@xxxxxxxxxxxxxx>
Cc: Russell King <rmk+kernel@xxxxxxxxxxxxxxxx>
Cc: David Woodhouse <David.Woodhouse@xxxxxxxxx>
---
drivers/mtd/maps/pismo.c | 8 +++++++-
1 files changed, 7 insertions(+), 1 deletions(-)
diff --git a/drivers/mtd/maps/pismo.c b/drivers/mtd/maps/pismo.c
index 30e12c8..86081bc 100644
--- a/drivers/mtd/maps/pismo.c
+++ b/drivers/mtd/maps/pismo.c
@@ -233,6 +233,7 @@ static int __devexit pismo_remove(struct i2c_client *client)
/* FIXME: set_vpp needs saner arguments */
pismo_setvpp_remove_fix(pismo);
+ i2c_set_clientdata(client, NULL);
kfree(pismo);
return 0;
@@ -271,7 +272,7 @@ static int __devinit pismo_probe(struct i2c_client *client,
ret = pismo_eeprom_read(client, &eeprom, 0, sizeof(eeprom));
if (ret < 0) {
dev_err(&client->dev, "error reading EEPROM: %d\n", ret);
- return ret;
+ goto exit_free;
}
dev_info(&client->dev, "%.15s board found\n", eeprom.board);
@@ -282,6 +283,11 @@ static int __devinit pismo_probe(struct i2c_client *client,
pdata->cs_addrs[i]);
return 0;
+
+ exit_free:
+ i2c_set_clientdata(client, NULL);
+ kfree(prismo);
+ return ret;
}
static const struct i2c_device_id pismo_id[] = {
--
1.7.0
--
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