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path: root/drivers/net/slip.c
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Diffstat (limited to 'drivers/net/slip.c')
-rw-r--r--drivers/net/slip.c16
1 files changed, 5 insertions, 11 deletions
diff --git a/drivers/net/slip.c b/drivers/net/slip.c
index 8f7841c0374..c79e0ad4ba0 100644
--- a/drivers/net/slip.c
+++ b/drivers/net/slip.c
@@ -198,18 +198,12 @@ err_exit:
static void
sl_free_bufs(struct slip *sl)
{
- void * tmp;
-
/* Free all SLIP frame buffers. */
- tmp = xchg(&sl->rbuff, NULL);
- kfree(tmp);
- tmp = xchg(&sl->xbuff, NULL);
- kfree(tmp);
+ kfree(xchg(&sl->rbuff, NULL));
+ kfree(xchg(&sl->xbuff, NULL));
#ifdef SL_INCLUDE_CSLIP
- tmp = xchg(&sl->cbuff, NULL);
- kfree(tmp);
- if ((tmp = xchg(&sl->slcomp, NULL)) != NULL)
- slhc_free(tmp);
+ kfree(xchg(&sl->cbuff, NULL));
+ slhc_free(xchg(&sl->slcomp, NULL));
#endif
}
@@ -1430,7 +1424,7 @@ static void __exit slip_exit(void)
kfree(slip_devs);
slip_devs = NULL;
- if ((i = tty_register_ldisc(N_SLIP, NULL)))
+ if ((i = tty_unregister_ldisc(N_SLIP)))
{
printk(KERN_ERR "SLIP: can't unregister line discipline (err = %d)\n", i);
}