diff options
| author | Chris Humbert <mahadri-kernel@drigon.com> | 2005-11-28 20:29:23 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2006-01-05 00:51:39 +0300 |
| commit | bd39b7f195e5a780a3c6710eb1c1450f158a1f31 (patch) | |
| tree | 34c57ff00c5779a571c9ab5f5a592093594f3aee /drivers/usb/core/buffer.c | |
| parent | 5d3202949c9ac6e135d98bde15a8f05ad3fa5849 (diff) | |
| download | linux-bd39b7f195e5a780a3c6710eb1c1450f158a1f31.tar.xz | |
[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>
Diffstat (limited to 'drivers/usb/core/buffer.c')
| -rw-r--r-- | drivers/usb/core/buffer.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/usb/core/buffer.c b/drivers/usb/core/buffer.c index 419c9943a7cb..ad742cec94fa 100644 --- a/drivers/usb/core/buffer.c +++ b/drivers/usb/core/buffer.c @@ -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; |