From 1bcb5ecb179cbca81ff3fe15432326c1c3ca9e9b Mon Sep 17 00:00:00 2001 From: Andy Green Date: Mon, 14 May 2018 13:00:32 +0800 Subject: [PATCH] net/nfp: fix memcpy out of source range MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit drivers/net/nfp/nfp_net.c:669:2: error: ‘memcpy’ forming offset [5, 6] is out of the bounds [0, 4] of object ‘tmp’ with type ‘uint32_t’ {aka ‘unsigned int’} [-Werror=array-bounds] memcpy(&hw->mac_addr[0], &tmp, sizeof(struct ether_addr)); Fixes: e6decee38209 ("net/nfp: use random MAC address if not configured") Cc: stable@dpdk.org Signed-off-by: Andy Green Acked-by: Alejandro Lucero Tested-by: Alejandro Lucero --- drivers/net/nfp/nfp_net.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/nfp/nfp_net.c b/drivers/net/nfp/nfp_net.c index 8a712d696f..80dc2731ca 100644 --- a/drivers/net/nfp/nfp_net.c +++ b/drivers/net/nfp/nfp_net.c @@ -527,7 +527,7 @@ nfp_net_vf_read_mac(struct nfp_net_hw *hw) uint32_t tmp; tmp = rte_be_to_cpu_32(nn_cfg_readl(hw, NFP_NET_CFG_MACADDR)); - memcpy(&hw->mac_addr[0], &tmp, sizeof(struct ether_addr)); + memcpy(&hw->mac_addr[0], &tmp, 4); tmp = rte_be_to_cpu_32(nn_cfg_readl(hw, NFP_NET_CFG_MACADDR + 4)); memcpy(&hw->mac_addr[4], &tmp, 2); -- 2.20.1