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-rw-r--r--drivers/isdn/i4l/isdn_tty.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/isdn/i4l/isdn_tty.c b/drivers/isdn/i4l/isdn_tty.c
index b817809f763c..e09dc8a5e743 100644
--- a/drivers/isdn/i4l/isdn_tty.c
+++ b/drivers/isdn/i4l/isdn_tty.c
@@ -1849,6 +1849,8 @@ err_unregister:
kfree(info->fax);
#endif
kfree(info->port.xmit_buf - 4);
+ info->port.xmit_buf = NULL;
+ tty_port_destroy(&info->port);
}
tty_unregister_driver(m->tty_modem);
err:
@@ -1870,6 +1872,8 @@ isdn_tty_exit(void)
kfree(info->fax);
#endif
kfree(info->port.xmit_buf - 4);
+ info->port.xmit_buf = NULL;
+ tty_port_destroy(&info->port);
}
tty_unregister_driver(dev->mdm.tty_modem);
put_tty_driver(dev->mdm.tty_modem);