Hi,
this implements a work around for some devices which have correct
extra descriptors, but misplace them.
Regards
Oliver
Signed-Off-By: Oliver Neukum <[EMAIL PROTECTED]>
You can import this changeset into BK by piping this whole message to:
'| bk receive [path to repository]' or apply the patch as usual.
===================================================================
[EMAIL PROTECTED], 2004-09-13 14:35:08+02:00, [EMAIL PROTECTED]
- work around for misplaced descriptors
cdc-acm.c | 11 +++++++++++
1 files changed, 11 insertions(+)
diff -Nru a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
--- a/drivers/usb/class/cdc-acm.c Mon Sep 13 14:36:57 2004
+++ b/drivers/usb/class/cdc-acm.c Mon Sep 13 14:36:57 2004
@@ -547,6 +547,17 @@
return -EINVAL;
}
+ if (!buflen) {
+ if (intf->cur_altsetting->endpoint->extralen &&
intf->cur_altsetting->endpoint->extra) {
+ dev_dbg(&intf->dev,"Seeking extra descriptors on endpoint");
+ buflen = intf->cur_altsetting->endpoint->extralen;
+ buffer = intf->cur_altsetting->endpoint->extra;
+ } else {
+ err("Zero length descriptor references");
+ return -EINVAL;
+ }
+ }
+
while (buflen > 0) {
if (buffer [1] != USB_DT_CS_INTERFACE) {
err("skipping garbage");
===================================================================
This BitKeeper patch contains the following changesets:
1.1856
## Wrapped with gzip_uu ##
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