@@ -88,7 +88,6 @@ struct sixpack {
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 */
@@ -544,7 +543,7 @@ static inline int tnc_init(struct sixpack *sp)
*/
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;
@@ -574,10 +573,8 @@ static int sixpack_open(struct tty_struct *tty)
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;
}
@@ -586,7 +583,6 @@ static int sixpack_open(struct tty_struct *tty)
sp->tty = tty;
- sp->rbuff = rbuff;
sp->xbuff = xbuff;
sp->mtu = AX25_MTU + 73;
@@ -631,7 +627,6 @@ static int sixpack_open(struct tty_struct *tty)
out_free:
kfree(xbuff);
- kfree(rbuff);
free_netdev(dev);
@@ -676,7 +671,6 @@ static void sixpack_close(struct tty_struct *tty)
del_timer_sync(&sp->resync_t);
/* Free all 6pack frame buffers after unreg. */
- kfree(sp->rbuff);
kfree(sp->xbuff);
free_netdev(sp->dev);
It's unused (except allocation and free). Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Andreas Koensgen <ajk@comnets.uni-bremen.de> Cc: "David S. Miller" <davem@davemloft.net> Cc: Eric Dumazet <edumazet@google.com> Cc: Jakub Kicinski <kuba@kernel.org> Cc: Paolo Abeni <pabeni@redhat.com> Cc: linux-hams@vger.kernel.org Cc: netdev@vger.kernel.org --- drivers/net/hamradio/6pack.c | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-)