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sd-rtnl: do not require ifindex to be set for SETLINK messages

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The kernel will then look up the ifindex itself based on the name.
This should be used very carefully as it is racey.

[This was a left-over hunk from my previous nspawn patch.]
This commit is contained in:
Tom Gundersen 2014-02-16 21:39:50 +01:00
parent 6cd6fdb228
commit 489e4fbb8c
1 changed files with 2 additions and 1 deletions
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3
src/libsystemd/sd-rtnl/rtnl-message.c
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@ -147,7 +147,8 @@ int sd_rtnl_message_new_link(uint16_t nlmsg_type, int index, sd_rtnl_message **r
int r;
assert_return(rtnl_message_type_is_link(nlmsg_type), -EINVAL);
assert_return(nlmsg_type == RTM_NEWLINK || index > 0, -EINVAL);
assert_return(nlmsg_type == RTM_NEWLINK ||
nlmsg_type == RTM_SETLINK || index > 0, -EINVAL);
assert_return(ret, -EINVAL);
r = message_new(ret, NLMSG_SPACE(sizeof(struct ifinfomsg)));