Am Sonntag, 5. September 2004 12:41 schrieb Ben Castricum:
> Hi Oliver,
>
> > #1 Please change line 50 of cdc-acm.c from "#undef DEBUG" to "#define
> > DEBUG"
> > #2 Recompile kernel or modules
> > #3 Send in a syslog not of a reboot, but of plugging in the device
>
> I did all that, but it doesn't show any more info than with a reboot. The 2
> lines I get when plugging in the device are
>
> Sep 5 11:19:40 gateway kernel: usb 1-2: new full speed USB device using
> address 3
> Sep 5 11:19:40 gateway kernel: cdc_acm 1-2:1.0: No union descriptor, giving
> up
>
> Should I be seeing more?
Please apply this diagnostic patch, recompile with debug and
send in the syslog.
Regards
Oliver
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], 2004-09-05 22:19:48+02:00, [EMAIL PROTECTED]
- more sanity checking
cdc-acm.c | 5 +++++
1 files changed, 5 insertions(+)
diff -Nru a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
--- a/drivers/usb/class/cdc-acm.c Sun Sep 5 22:21:07 2004
+++ b/drivers/usb/class/cdc-acm.c Sun Sep 5 22:21:07 2004
@@ -547,6 +547,11 @@
return -EINVAL;
}
+ if (!buflen) {
+ 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:
1.1824
## Wrapped with gzip_uu ##
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