[PATCH v2] base/core.c: improve comment of the function device_find_child()

From: Federico Vaga
Date: Mon Apr 15 2013 - 05:19:11 EST

Signed-off-by: Federico Vaga <federico.vaga@xxxxxxxxx>
drivers/base/core.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/base/core.c b/drivers/base/core.c
index 016312437..3c8512f 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -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
* current device can be obtained, this function will return to the caller
* 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,
int (*match)(struct device *dev, void *data))

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