slip: remove unused 'line' field from the 'slip' structure

Signed-off-by: Matvejchikov Ilya <matvejchikov@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 0 insertions, 4 deletions

diff --git a/drivers/net/slip.c b/drivers/net/slip.c
index 8befe697bd76..f11b3f3df24f 100644
--- a/drivers/net/slip.c
+++ b/drivers/net/slip.c
@@ -807,7 +807,6 @@ static int slip_open(struct tty_struct *tty)
 
         sl->tty = tty;
         tty->disc_data = sl;
-        sl->line = tty_devnum(tty);
         sl->pid = current->pid;
 
         if (!test_bit(SLF_INUSE, &sl->flags)) {
@@ -874,8 +873,6 @@ static void slip_close(struct tty_struct *tty)
 
         tty->disc_data = NULL;
         sl->tty = NULL;
-        if (!sl->leased)
-                sl->line = 0;
 
         /* VSV = very important to remove timers */
 #ifdef CONFIG_SLIP_SMART
diff --git a/drivers/net/slip.h b/drivers/net/slip.h
index 914e958abbfc..aa0764ce2342 100644
--- a/drivers/net/slip.h
+++ b/drivers/net/slip.h
@@ -90,7 +90,6 @@ struct slip {
 
   unsigned char         mode;           /* SLIP mode                    */
   unsigned char         leased;
-  dev_t                 line;
   pid_t                 pid;
 #define SL_MODE_SLIP    0
 #define SL_MODE_CSLIP   1