From c47a71a9d4b1cd353b081c5e7a65bebff2d9c4ed Mon Sep 17 00:00:00 2001
From: Bongsu Jeon <bongsu.jeon@samsung.com>
Date: Tue, 17 Aug 2021 06:28:15 -0700
Subject: [PATCH] selftests: nci: Fix the wrong condition
Git-commit: 1d5b8d01db98abb8c176838fad73287366874582
Patch-mainline: v5.15-rc1
References: stable-5.14.6
[ Upstream commit 1d5b8d01db98abb8c176838fad73287366874582 ]
memcpy should be executed only in case nla_len's value is greater than 0.
Signed-off-by: Bongsu Jeon <bongsu.jeon@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
tools/testing/selftests/nci/nci_dev.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/testing/selftests/nci/nci_dev.c b/tools/testing/selftests/nci/nci_dev.c
index 9687100f15ea..acd4125ff39f 100644
--- a/tools/testing/selftests/nci/nci_dev.c
+++ b/tools/testing/selftests/nci/nci_dev.c
@@ -110,7 +110,7 @@ static int send_cmd_mt_nla(int sd, __u16 nlmsg_type, __u32 nlmsg_pid,
na->nla_type = nla_type[cnt];
na->nla_len = nla_len[cnt] + NLA_HDRLEN;
- if (nla_len > 0)
+ if (nla_len[cnt] > 0)
memcpy(NLA_DATA(na), nla_data[cnt], nla_len[cnt]);
prv_len = NLA_ALIGN(nla_len[cnt]) + NLA_HDRLEN;
--
2.26.2