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path: root/drivers/net/can/slcan.c
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Diffstat (limited to 'drivers/net/can/slcan.c')
-rw-r--r--drivers/net/can/slcan.c10
1 files changed, 1 insertions, 9 deletions
diff --git a/drivers/net/can/slcan.c b/drivers/net/can/slcan.c
index 65e54fd0a8d7..f523f1cc5142 100644
--- a/drivers/net/can/slcan.c
+++ b/drivers/net/can/slcan.c
@@ -96,10 +96,6 @@ struct slcan {
unsigned long flags; /* Flag values/ mode etc */
#define SLF_INUSE 0 /* Channel in use */
#define SLF_ERROR 1 /* Parity, etc. error */
-
- unsigned char leased;
- dev_t line;
- pid_t pid;
};
static struct net_device **slcan_devs;
@@ -446,7 +442,7 @@ static void slc_sync(void)
break;
sl = netdev_priv(dev);
- if (sl->tty || sl->leased)
+ if (sl->tty)
continue;
if (dev->flags & IFF_UP)
dev_close(dev);
@@ -534,8 +530,6 @@ static int slcan_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)) {
/* Perform the low-level SLCAN initialization. */
@@ -586,8 +580,6 @@ static void slcan_close(struct tty_struct *tty)
tty->disc_data = NULL;
sl->tty = NULL;
- if (!sl->leased)
- sl->line = 0;
/* Flush network side */
unregister_netdev(sl->dev);