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Message-Id: <1365767972-23727-1-git-send-email-federico.vaga@gmail.com> Date: Fri, 12 Apr 2013 13:59:32 +0200 From: Federico Vaga <federico.vaga@...il.com> To: Greg Kroah-Hartman <gregkh@...uxfoundation.org> Cc: linux-kernel@...r.kernel.org, Federico Vaga <federico.vaga@...il.com> Subject: [PATCH] base/core.c: improve comment of the function device_find_child() Signed-off-by: Federico Vaga <federico.vaga@...il.com> --- drivers/base/core.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/base/core.c b/drivers/base/core.c index 016312437..eb0c6ea 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -1372,6 +1372,10 @@ 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: internally, the function does get_device() on the retrieved child. + * It is duty of the caller performing a put_device() on the retrieved + * child device when the caller finishes to work on it. */ struct device *device_find_child(struct device *parent, void *data, int (*match)(struct device *dev, void *data)) -- 1.8.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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