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sd-rtnl: link flags - don't allow change = 0 

The kernel will happily treat 0x0 as 0xffffffff, but it is for backwards
compatibility only, so let's not perpetuate this.
This commit is contained in:
Tom Gundersen 2014-02-14 12:15:26 +01:00
parent 93b5eaec70
commit a7b74db6e7
1 changed files with 2 additions and 4 deletions
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6
src/libsystemd/sd-rtnl/rtnl-message.c
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@ -119,14 +119,12 @@ int sd_rtnl_message_link_set_flags(sd_rtnl_message *m, unsigned flags, unsigned
assert_return(m, -EINVAL);
assert_return(m->hdr, -EINVAL);
assert_return(rtnl_message_type_is_link(m->hdr->nlmsg_type), -EINVAL);
assert_return(change, -EINVAL);
ifi = NLMSG_DATA(m->hdr);
ifi->ifi_flags = flags;
if (change)
ifi->ifi_change = change;
else
ifi->ifi_change = 0xffffffff;
ifi->ifi_change = change;
return 0;
}