The buffer needs to be reallocated and data copied when
the netnsid netlink attribute is included, so avoid that
by accounting the attribute when the buffer is initially
allocated.
Fixes: 756819ddd788 ("netdev-linux: use netlink to update netdev.")
Signed-off-by: Flavio Leitner <f...@sysclose.org>
---
lib/netdev-linux.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/lib/netdev-linux.c b/lib/netdev-linux.c
index deedc6954..965e7eee8 100644
--- a/lib/netdev-linux.c
+++ b/lib/netdev-linux.c
@@ -6045,8 +6045,8 @@ netdev_linux_update_via_netlink(struct netdev_linux
*netdev)
ofpbuf_init(&request, 0);
nl_msg_put_nlmsghdr(&request,
- sizeof(struct ifinfomsg) + NL_ATTR_SIZE(IFNAMSIZ),
- RTM_GETLINK, NLM_F_REQUEST);
+ sizeof(struct ifinfomsg) + NL_ATTR_SIZE(IFNAMSIZ) +
+ NL_A_U32_SIZE, RTM_GETLINK, NLM_F_REQUEST);
ofpbuf_put_zeros(&request, sizeof(struct ifinfomsg));
/* The correct identifiers for a Linux device are netnsid and ifindex,
--
2.20.1
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