i2c: free idr when sanity checks in i2c_register_adapter() fail

On error, we should give idr back to the pool in any case.

Signed-off-by: Wolfram Sang <wsa-dev@sang-engineering.com>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This commit is contained in:
Wolfram Sang 2016-07-09 13:34:58 +09:00 committed by Wolfram Sang
parent cc4618813e
commit ce0dffafd4

View file

@ -1554,7 +1554,7 @@ static int __process_new_adapter(struct device_driver *d, void *data)
static int i2c_register_adapter(struct i2c_adapter *adap)
{
int res = 0;
int res = -EINVAL;
/* Can't register until after driver model init */
if (WARN_ON(!is_registered)) {
@ -1566,12 +1566,12 @@ static int i2c_register_adapter(struct i2c_adapter *adap)
if (unlikely(adap->name[0] == '\0')) {
pr_err("i2c-core: Attempt to register an adapter with "
"no name!\n");
return -EINVAL;
goto out_list;
}
if (unlikely(!adap->algo)) {
pr_err("i2c-core: Attempt to register adapter '%s' with "
"no algo!\n", adap->name);
return -EINVAL;
goto out_list;
}
if (!adap->lock_bus) {