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sd-rtnl: make RTM_NEWLINK report EEXIST by default

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Use RTM_SETLINK to update an existing link.
This commit is contained in:
Tom Gundersen 2014-03-15 20:02:24 +01:00
parent d2d66d1ce7
commit 6a8402d956
1 changed files with 2 additions and 3 deletions
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5
src/libsystemd/sd-rtnl/rtnl-message.c
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@ -166,8 +166,7 @@ int sd_rtnl_message_new_link(sd_rtnl *rtnl, sd_rtnl_message **ret,
int r;
assert_return(rtnl_message_type_is_link(nlmsg_type), -EINVAL);
assert_return(nlmsg_type == RTM_NEWLINK ||
nlmsg_type == RTM_SETLINK || index > 0, -EINVAL);
assert_return(nlmsg_type != RTM_DELLINK || index > 0, -EINVAL);
assert_return(ret, -EINVAL);
r = message_new(rtnl, ret, NLMSG_SPACE(sizeof(struct ifinfomsg)));
@ -177,7 +176,7 @@ int sd_rtnl_message_new_link(sd_rtnl *rtnl, sd_rtnl_message **ret,
(*ret)->hdr->nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg));
(*ret)->hdr->nlmsg_type = nlmsg_type;
if (nlmsg_type == RTM_NEWLINK)
(*ret)->hdr->nlmsg_flags |= NLM_F_CREATE;
(*ret)->hdr->nlmsg_flags |= NLM_F_CREATE | NLM_F_EXCL;
ifi = NLMSG_DATA((*ret)->hdr);