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-rw-r--r--src/libsystemd-rtnl/rtnl-message.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libsystemd-rtnl/rtnl-message.c b/src/libsystemd-rtnl/rtnl-message.c
index 264cca004f..c62eca9fae 100644
--- a/src/libsystemd-rtnl/rtnl-message.c
+++ b/src/libsystemd-rtnl/rtnl-message.c
@@ -601,7 +601,7 @@ int sd_rtnl_message_append_ether_addr(sd_rtnl_message *m, unsigned short type, c
return -ENOTSUP;
}
- r = add_rtattr(m, type, data, sizeof(data));
+ r = add_rtattr(m, type, data, ETH_ALEN);
if (r < 0)
return r;