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i2c: add error message when obtaining idr fails

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Fix some whitespace issues while here.

Signed-off-by: Wolfram Sang <wsa-dev@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This commit is contained in:
Wolfram Sang 2016-07-09 13:35:01 +09:00 committed by Wolfram Sang
parent 8ddfe4108e
commit 84d0b61773
1 changed files with 4 additions and 5 deletions
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9
drivers/i2c/i2c-core.c
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@ -1684,13 +1684,12 @@ static int i2c_register_adapter(struct i2c_adapter *adap)
*/
static int __i2c_add_numbered_adapter(struct i2c_adapter *adap)
{
int id;
int id;
mutex_lock(&core_lock);
id = idr_alloc(&i2c_adapter_idr, adap, adap->nr, adap->nr + 1,
GFP_KERNEL);
id = idr_alloc(&i2c_adapter_idr, adap, adap->nr, adap->nr + 1, GFP_KERNEL);
mutex_unlock(&core_lock);
if (id < 0)
if (WARN(id < 0, "couldn't get idr"))
return id == -ENOSPC ? -EBUSY : id;
return i2c_register_adapter(adap);
@ -1727,7 +1726,7 @@ int i2c_add_adapter(struct i2c_adapter *adapter)
id = idr_alloc(&i2c_adapter_idr, adapter,
__i2c_first_dynamic_bus_num, 0, GFP_KERNEL);
mutex_unlock(&core_lock);
if (id < 0)
if (WARN(id < 0, "couldn't get idr"))
return id;
adapter->nr = id;