From: Bongsu Jeon bongsu.jeon@samsung.com

[ 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 --- 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;