From 3b16535193326c44209bb54b3a0f9ac3c258c8f8 Mon Sep 17 00:00:00 2001

From: Nirmoy Das <ndas@suse.de>

Date: Mon, 11 Apr 2016 15:01:06 +0200

Subject: [PATCH] enic: fix "Type-punning and strict-aliasing" warning

​

Inspired by http://pkgs.fedoraproject.org/cgit/rpms/dpdk.git/tree/dpdk-2.2-punning.patch

---

 drivers/net/enic/enic_ethdev.c | 8 +++++---

 1 file changed, 5 insertions(+), 3 deletions(-)

​

diff --git a/drivers/net/enic/enic_ethdev.c b/drivers/net/enic/enic_ethdev.c

index 33a3f87e2..35769e0ba 100644

--- a/drivers/net/enic/enic_ethdev.c

+++ b/drivers/net/enic/enic_ethdev.c

@@ -436,6 +436,8 @@ static void enicpmd_dev_stop(struct rte_eth_dev *eth_dev)

 {

    struct rte_eth_link link;

    struct enic *enic = pmd_priv(eth_dev);

+   uint64_t *dev_link_ptr = (uint64_t *)&eth_dev->data->dev_link;

+   uint64_t *link_ptr = (uint64_t *)&link;

    if (rte_eal_process_type() != RTE_PROC_PRIMARY)

        return;

@@ -443,9 +445,9 @@ static void enicpmd_dev_stop(struct rte_eth_dev *eth_dev)

    ENICPMD_FUNC_TRACE();

    enic_disable(enic);

    memset(&link, 0, sizeof(link));

-   rte_atomic64_cmpset((uint64_t *)&eth_dev->data->dev_link,

-       *(uint64_t *)&eth_dev->data->dev_link,

-       *(uint64_t *)&link);

+   rte_atomic64_cmpset(dev_link_ptr,

+       *dev_link_ptr,

+       *link_ptr);

 }

 /*

-- 

2.15.1

​

​