i2c: i2c_del_adapter: Don't treat removing a non-registered adapter as error
authorLars-Peter Clausen <lars@metafoo.de>
Sat, 9 Mar 2013 08:16:45 +0000 (08:16 +0000)
committerWolfram Sang <wsa@the-dreams.de>
Tue, 2 Apr 2013 05:03:37 +0000 (07:03 +0200)
commitf5fb0822957b914ab7022cc4bfe000ec3bc9c82c
tree394d69bc7cfa47836e3db0152c54b886108a77bb
parent19baba4cb6843bbe3dfde87e1e913f6a9cd27da9
i2c: i2c_del_adapter: Don't treat removing a non-registered adapter as error

Currently i2c_del_adapter() returns -EINVAL when it gets an adapter which is not
registered. But none of the users of i2c_del_adapter() depend on this behavior,
so for the sake of being able to sanitize the return type of i2c_del_adapter
argue, that the purpose of i2c_del_adapter() is to remove an I2C adapter from
the system. If the adapter is not registered in the first place this becomes a
no-op. So we can return success without having to do anything.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Reviewed-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
drivers/i2c/i2c-core.c