netdev - [PATCH v2 net-next 5/8] selftests: nci: Fix the wrong condition

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Message-Id: <20210817132818.8275-6-bongsu.jeon2@gmail.com>
Date:   Tue, 17 Aug 2021 06:28:15 -0700
From:   bongsu.jeon2@...il.com
To:     shuah@...nel.org, krzysztof.kozlowski@...onical.com
Cc:     netdev@...r.kernel.org, linux-nfc@...ts.01.org,
        linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org,
        Bongsu Jeon <bongsu.jeon@...sung.com>
Subject: [PATCH v2 net-next 5/8] selftests: nci: Fix the wrong condition

From: Bongsu Jeon <bongsu.jeon@...sung.com>

memcpy should be executed only in case nla_len's value is greater than 0.

Signed-off-by: Bongsu Jeon <bongsu.jeon@...sung.com>
---
 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 cf47505a6b35..a1786cef73bc 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;
-- 
2.32.0