rtnl_lock(); dev_open(card->dev); rtnl_unlock(); 
if(recovery_mode) { qeth_open(card->dev); } else { rtnl_lock(); dev_open(card->dev); rtnl_unlock(); } 
qeth_start_again(struct qeth_card *card){	QETH_DBF_TEXT(setup ,2, "startag");	rtnl_lock();	dev_open(card->dev);	rtnl_unlock();	/* this also sets saved unicast addresses */	qeth_set_multicast_list(card->dev);}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/05e08a2a297371564020f76d1bf8b3a931d5e1ed/qeth_main.c/buggy/drivers/s390/net/qeth_main.c