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authorTom Gundersen <teg@jklm.no>2014-03-15 20:02:24 +0100
committerTom Gundersen <teg@jklm.no>2014-03-15 20:04:42 +0100
commit6a8402d956a6f89910530e6b364c79be821d2d9d (patch)
tree1004cdf876bc60649cde7c6bb784e7a51f1aed10 /src
parentd2d66d1ce7da459ee2a01ac033197dbd053df9f8 (diff)
sd-rtnl: make RTM_NEWLINK report EEXIST by default
Use RTM_SETLINK to update an existing link.
Diffstat (limited to 'src')
-rw-r--r--src/libsystemd/sd-rtnl/rtnl-message.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/src/libsystemd/sd-rtnl/rtnl-message.c b/src/libsystemd/sd-rtnl/rtnl-message.c
index fca1ff667a..7ea68f18ae 100644
--- a/src/libsystemd/sd-rtnl/rtnl-message.c
+++ b/src/libsystemd/sd-rtnl/rtnl-message.c
@@ -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);