tag	line	file	source code
CHECK_PPP	600	drivers/net/ppp.c	CHECK_PPP(-ENXIO);
CHECK_PPP	617	drivers/net/ppp.c	CHECK_PPP(-ENXIO);
CHECK_PPP	1254	drivers/net/ppp.c	CHECK_PPP(-ENXIO);
CHECK_PPP	1354	drivers/net/ppp.c	CHECK_PPP(-ENXIO);
CHECK_PPP	1431	drivers/net/ppp.c	CHECK_PPP(-ENXIO);
CHECK_PPP	1652	drivers/net/ppp.c	CHECK_PPP (0);