提交 7429b384 编写于 作者: W Wolfram Sang 提交者: Benjamin Herrenschmidt

powerpc/pmac: Fix dangling pointers

Fix I2C-drivers which missed setting clientdata to NULL before freeing the
structure it points to. Also fix drivers which do this _after_ the structure
was freed already.
Signed-off-by: NWolfram Sang <w.sang@pengutronix.de>
Cc: Colin Leroy <colin@colino.net>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
上级 21dbeb91
......@@ -182,6 +182,7 @@ remove_thermostat(struct i2c_client *client)
thermostat = NULL;
i2c_set_clientdata(client, NULL);
kfree(th);
return 0;
......@@ -399,6 +400,7 @@ static int probe_thermostat(struct i2c_client *client,
rc = read_reg(th, CONFIG_REG);
if (rc < 0) {
dev_err(&client->dev, "Thermostat failed to read config!\n");
i2c_set_clientdata(client, NULL);
kfree(th);
return -ENODEV;
}
......
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