renegade-project/linux-next
2
0
Fork 0
mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-18 10:13:57 +08:00
Code

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

Browse Source 
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>
This commit is contained in:
Chris Humbert 2005-11-28 09:29:23 -08:00 committed by Greg Kroah-Hartman
parent 5d3202949c
commit bd39b7f195
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/usb/core/buffer.c
View File

@ -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;