Since none of the earlier patches worked, try this one. I expect it will
get farther than the others did, even if it doesn't work totally.
Even on your working system, the dmesg lines that say:
usb.c: error getting string descriptor 0 (error=-75)
indicate that the mouse doesn't work perfectly.
Alan Stern
===== message.c 1.67 vs edited =====
--- 1.67/drivers/usb/core/message.c Fri Jan 30 22:02:33 2004
+++ edited/drivers/usb/core/message.c Mon Feb 16 16:57:01 2004
@@ -1184,7 +1184,7 @@
int usb_string(struct usb_device *dev, int index, char *buf, size_t size)
{
unsigned char *tbuf;
- int err, len;
+ int err;
unsigned int u, idx;
if (size <= 0 || !buf || !index)
@@ -1196,7 +1196,7 @@
/* get langid for strings if it's not yet known */
if (!dev->have_langid) {
- err = usb_get_string(dev, 0, 0, tbuf, 4);
+ err = usb_get_string(dev, 0, 0, tbuf, dev->epmaxpacketin[0]);
if (err < 0) {
err("error getting string descriptor 0 (error=%d)", err);
goto errout;
@@ -1212,17 +1212,9 @@
dev->devnum, dev->string_langid);
}
}
-
- /*
- * ask for the length of the string
- */
-
- err = usb_get_string(dev, dev->string_langid, index, tbuf, 2);
- if(err<2)
- goto errout;
- len=tbuf[0];
- err = usb_get_string(dev, dev->string_langid, index, tbuf, len);
+ err = usb_get_string(dev, dev->string_langid, index, tbuf,
+ sizeof(tbuf));
if (err < 0)
goto errout;
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