usb_alloc_urb man page on Scientific

usb_alloc_urb man page on Scientific

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USB_ALLOC_URB(9)		 USB Core APIs		      USB_ALLOC_URB(9)

NAME
       usb_alloc_urb - creates a new urb for a USB driver to use

SYNOPSIS
       struct urb * usb_alloc_urb(int iso_packets, gfp_t mem_flags);

ARGUMENTS
       iso_packets
	   number of iso packets for this urb

       mem_flags
	   the type of memory to allocate, see kmalloc for a list of valid
	   options for this.

DESCRIPTION
       Creates an urb for the USB driver to use, initializes a few internal
       structures, incrementes the usage counter, and returns a pointer to it.

       If no memory is available, NULL is returned.

       If the driver want to use this urb for interrupt, control, or bulk
       endpoints, pass ´0´ as the number of iso packets.

       The driver must call usb_free_urb when it is finished with the urb.

COPYRIGHT
Kernel Hackers Manual 2.6.	 November 2013		      USB_ALLOC_URB(9)

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