diff options
Diffstat (limited to 'drivers/i2c/i2c-core.c')
| -rw-r--r-- | drivers/i2c/i2c-core.c | 13 | 
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index bdadfaf3fe1..d231f683f57 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -1508,26 +1508,25 @@ static int i2c_detect(struct i2c_adapter *adapter, struct i2c_driver *driver)  	if (!driver->detect || !address_list)  		return 0; +	/* Stop here if the classes do not match */ +	if (!(adapter->class & driver->class)) +		return 0; +  	/* Set up a temporary client to help detect callback */  	temp_client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);  	if (!temp_client)  		return -ENOMEM;  	temp_client->adapter = adapter; -	/* Stop here if the classes do not match */ -	if (!(adapter->class & driver->class)) -		goto exit_free; -  	for (i = 0; address_list[i] != I2C_CLIENT_END; i += 1) {  		dev_dbg(&adapter->dev, "found normal entry for adapter %d, "  			"addr 0x%02x\n", adap_id, address_list[i]);  		temp_client->addr = address_list[i];  		err = i2c_detect_address(temp_client, driver); -		if (err) -			goto exit_free; +		if (unlikely(err)) +			break;  	} - exit_free:  	kfree(temp_client);  	return err;  }  |