2021-08-17 13:31:25

by Bongsu Jeon

[permalink] [raw]
Subject: [PATCH v2 net-next 4/8] selftests: nci: Fix the code for next nlattr offset

From: Bongsu Jeon <[email protected]>

nlattr could have a padding for 4 bytes alignment. So next nla's offset
should be calculated with a padding.

Signed-off-by: Bongsu Jeon <[email protected]>
---
tools/testing/selftests/nci/nci_dev.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/nci/nci_dev.c b/tools/testing/selftests/nci/nci_dev.c
index b4d85eeb5fd1..cf47505a6b35 100644
--- a/tools/testing/selftests/nci/nci_dev.c
+++ b/tools/testing/selftests/nci/nci_dev.c
@@ -113,8 +113,8 @@ static int send_cmd_mt_nla(int sd, __u16 nlmsg_type, __u32 nlmsg_pid,
if (nla_len > 0)
memcpy(NLA_DATA(na), nla_data[cnt], nla_len[cnt]);

- msg.n.nlmsg_len += NLMSG_ALIGN(na->nla_len);
- prv_len = na->nla_len;
+ prv_len = NLA_ALIGN(nla_len[cnt]) + NLA_HDRLEN;
+ msg.n.nlmsg_len += prv_len;
}

buf = (char *)&msg;
--
2.32.0