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sd-netlink: don't treat type_system->count==0 as invalid

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Empty type-systems are just fine. Avoid the nasty hack in
union-type-systems that treat empty type-systems as invalid. Instead check
for the actual types-array and make sure it's non-NULL (which is even true
for empty type-systems, due to "empty_types" array).
This commit is contained in:
David Herrmann 2015-06-23 12:03:10 +02:00
parent 12b7dff45b
commit e7de105cf6
1 changed files with 1 additions and 1 deletions
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src/libsystemd/sd-netlink/netlink-types.c
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@ -598,7 +598,7 @@ int type_system_union_protocol_get_type_system(const NLTypeSystemUnion *type_sys
return -EOPNOTSUPP; return -EOPNOTSUPP;
type_system = &type_system_union->type_systems[protocol]; type_system = &type_system_union->type_systems[protocol];
if (type_system->count == 0) if (!type_system->types)
return -EOPNOTSUPP; return -EOPNOTSUPP;
*ret = type_system; *ret = type_system;