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authorDavid Herrmann <dh.herrmann@gmail.com>2015-06-23 10:47:44 +0200
committerDavid Herrmann <dh.herrmann@gmail.com>2015-06-24 13:45:56 +0200
commit12b7dff45b0e2442355008a1e53f1211bd227147 (patch)
tree88d3cc7f2c2dce683630d13205dae4bf0e0f5b13 /src/path
parent979e7eb9cc3376f23c08054b4e5987f5874377e5 (diff)
sd-netlink: make sure the root-level type is nested
In sd-netlink-message, we always guarantee that the currently selected type-system is non-NULL. Otherwise, we would be unable to parse any types in the current container level. Hence, this assertion must be true: message->container_type_system[m->n_containers] != NULL During message_new() we currently do not verify that this assertion is true. Instead, we blindly access nl_type->type_system and use it (which might be NULL for basic types and unions). Fix this, by explicitly checking that the root-level type is nested. Note that this is *not* a strict requirement of netlink, but it's a strict requirement for all message types we currently support. Furthermore, all the callers of message_new() already verify that only supported types are passed, therefore, this is a pure cosmetic check. However, it might be needed on the future, so make sure we don't trap into this once we change the type-system.
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