USB_HUB_FIND_CHILD - Online Linux Manual PageSection : 9
Updated : June 2018
Source : Kernel Hackers Manual 2​.6​.
Note : USB Core APIs

NAMEusb_hub_find_child − Get the pointer of child device attached to the port which is specified by port1​.

SYNOPSISstruct usb_device * usb_hub_find_child(struct usb_device * hdev, int port1);

ARGUMENTShdev USB device belonging to the usb hub port1 port num to indicate which port the child device is attached to​.

RHEL SPECIFIC NOTEff823c79a5c33194c2e5594f7c4686ea3547910c wasn´t completely backported due changes on usb_device structure​. This function was modified to work with existing structure​. Return NULL if input param is invalid and child´s usb_device pointer if non−NULL​.

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