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base/core.c: improve comment of the function device_find_child()

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Signed-off-by: Federico Vaga <federico.vaga@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Federico Vaga 2013-04-15 11:18:11 +02:00 committed by Greg Kroah-Hartman
parent 5240d58c04
commit a4e2400a63
1 changed files with 2 additions and 0 deletions
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drivers/base/core.c
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@ -1372,6 +1372,8 @@ int device_for_each_child(struct device *parent, void *data,
* if it does. If the callback returns non-zero and a reference to the * if it does. If the callback returns non-zero and a reference to the
* current device can be obtained, this function will return to the caller * current device can be obtained, this function will return to the caller
* and not iterate over any more devices. * and not iterate over any more devices.
*
* NOTE: you will need to drop the reference with put_device() after use.
*/ */
struct device *device_find_child(struct device *parent, void *data, struct device *device_find_child(struct device *parent, void *data,
int (*match)(struct device *dev, void *data)) int (*match)(struct device *dev, void *data))