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authorMicah Dowty <micah@vmware.com>2006-05-19 11:26:24 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2006-06-21 15:04:11 -0700
commit3612242e527eb47ee4756b5350f8bdf791aa5ede (patch)
tree581c5088ce1cff693615ce06cac6ba5410d5aca9 /drivers/usb/core/devio.c
parente016683d595aacde78b9385aabd0b98c8915d885 (diff)
[PATCH] USB: Allow high-bandwidth isochronous packets via usbfs
This patch increases an arbitrary limit on the size of individual isochronous packets submitted via usbfs. The limit is still arbitrary, but it's now large enough to support the maximum packet size used by high-bandwidth isochronous transfers. Signed-off-by: Micah Dowty <micah@vmware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/core/devio.c')
-rw-r--r--drivers/usb/core/devio.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index 04f7504e0985..b04ede772f2c 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -982,7 +982,8 @@ static int proc_do_submiturb(struct dev_state *ps, struct usbdevfs_urb *uurb,
return -EFAULT;
}
for (totlen = u = 0; u < uurb->number_of_packets; u++) {
- if (isopkt[u].length > 1023) {
+ /* arbitrary limit, sufficient for USB 2.0 high-bandwidth iso */
+ if (isopkt[u].length > 8192) {
kfree(isopkt);
return -EINVAL;
}