Hi,
Here's a patch against 2.4.19-pre2 that fixes a bug in the usb-serial
cyberjack driver. Thanks to Shane Nay for pointing this problem out.
thanks,
greg k-h
diff -Nru a/drivers/usb/serial/cyberjack.c b/drivers/usb/serial/cyberjack.c
--- a/drivers/usb/serial/cyberjack.c Mon Mar 4 08:49:01 2002
+++ b/drivers/usb/serial/cyberjack.c Mon Mar 4 08:49:01 2002
@@ -238,13 +238,16 @@
if( (count+priv->wrfilled)>sizeof(priv->wrbuf) ) {
/* To much data for buffer. Reset buffer. */
priv->wrfilled=0;
+ up (&port->sem);
return (0);
}
/* Copy data */
if (from_user) {
- if (copy_from_user(priv->wrbuf+priv->wrfilled, buf, count))
+ if (copy_from_user(priv->wrbuf+priv->wrfilled, buf, count)) {
+ up (&port->sem);
return -EFAULT;
+ }
} else {
memcpy (priv->wrbuf+priv->wrfilled, buf, count);
}
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