struct net_device *dev; /* easy for intr handling */
/* These are pointers to the malloc()ed frame buffers. */
- unsigned char *rbuff; /* receiver buffer */
int rcount; /* received chars counter */
unsigned char *xbuff; /* transmitter buffer */
unsigned char *xhead; /* next byte to XMIT */
*/
static int sixpack_open(struct tty_struct *tty)
{
- char *rbuff = NULL, *xbuff = NULL;
+ char *xbuff = NULL;
struct net_device *dev;
struct sixpack *sp;
unsigned long len;
len = dev->mtu * 2;
- rbuff = kmalloc(len + 4, GFP_KERNEL);
xbuff = kmalloc(len + 4, GFP_KERNEL);
-
- if (rbuff == NULL || xbuff == NULL) {
+ if (xbuff == NULL) {
err = -ENOBUFS;
goto out_free;
}
sp->tty = tty;
- sp->rbuff = rbuff;
sp->xbuff = xbuff;
sp->mtu = AX25_MTU + 73;
out_free:
kfree(xbuff);
- kfree(rbuff);
free_netdev(dev);
del_timer_sync(&sp->resync_t);
/* Free all 6pack frame buffers after unreg. */
- kfree(sp->rbuff);
kfree(sp->xbuff);
free_netdev(sp->dev);