Commit bd39b7f1 authored Nov 28, 2005 by Chris Humbert Committed by Greg Kroah-Hartman Jan 04, 2006

[PATCH] USB: don't allocate dma pools for PIO HCDs



USB: don't allocate dma pools for PIO HCDs

hcd_buffer_alloc() and hcd_buffer_free() have a similar dma_mask
check and revert to kmalloc()/kfree(), but hcd_buffer_create()
doesn't check dma_mask and allocates unused dma pools.

Signed-off-by: Chris Humbert <mahadri-kernel@drigon.com>
Acked-by: David Brownell <david-b@pacbell.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

parent 5d320294

drivers/usb/core/buffer.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -55,6 +55,9 @@ int hcd_buffer_create (struct usb_hcd *hcd)
		char name [16];
		int i, size;

		if (!hcd->self.controller->dma_mask)
		return 0;

		for (i = 0; i < HCD_BUFFER_POOLS; i++) {
		if (!(size = pool_max [i]))
		continue;