* a block of 6pack data has been received, which can now be decapsulated
* and sent on to some IP layer for further processing.
*/
-static void sixpack_receive_buf(struct tty_struct *tty,
+static unsigned int sixpack_receive_buf(struct tty_struct *tty,
const unsigned char *cp, char *fp, int count)
{
struct sixpack *sp;
int count1;
if (!count)
- return;
+ return 0;
sp = sp_get(tty);
if (!sp)
- return;
+ return -ENODEV;
memcpy(buf, cp, count < sizeof(buf) ? count : sizeof(buf));
sp_put(sp);
tty_unthrottle(tty);
+
+ return count1;
}
/*