tag	line	file	source code
CHECK_PPP	598	drivers/net/ppp.c	CHECK_PPP(-ENXIO);
CHECK_PPP	615	drivers/net/ppp.c	CHECK_PPP(-ENXIO);
CHECK_PPP	1252	drivers/net/ppp.c	CHECK_PPP(-ENXIO);
CHECK_PPP	1363	drivers/net/ppp.c	CHECK_PPP(-ENXIO);
CHECK_PPP	1450	drivers/net/ppp.c	CHECK_PPP(-ENXIO);
CHECK_PPP	1671	drivers/net/ppp.c	CHECK_PPP (0);