--- libmultipath/structs.c | 10 ++++++++++ 1 file changed, 10 insertions(+) Index: multipath-tools-130222/libmultipath/structs.c =================================================================== --- multipath-tools-130222.orig/libmultipath/structs.c +++ multipath-tools-130222/libmultipath/structs.c @@ -511,6 +511,16 @@ add_feature (char **f, char *n) if (!n || *n == '0') return 0; + /* default feature is null */ + if (!*f) + { + l = asprintf(&t, "1 %s", n); + if (l == -1) + return 1; + *f = t; + return 0; + } + /* Check if feature is already present */ if (strstr(*f, n)) return 0;