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net/mlx5: fix invalid error check

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Since its return type is unsigned, if_nametoindex() returns 0 in case of
error, never -1.

Fixes: ccdcba53a3 ("net/mlx5: use Netlink to add/remove MAC addresses")
Cc: stable@dpdk.org

Signed-off-by: Adrien Mazarguil <adrien.mazarguil@6wind.com>
Acked-by: Nelio Laranjeiro <nelio.laranjeiro@6wind.com>
This commit is contained in:
Adrien Mazarguil 2018-06-27 11:20:52 +02:00 committed by Ferruh Yigit
parent f9aaa6ac44
commit f264c7980c
1 changed files with 2 additions and 2 deletions
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4
drivers/net/mlx5/mlx5_ethdev.c
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@ -192,13 +192,13 @@ int
mlx5_ifindex(const struct rte_eth_dev *dev)
{
char ifname[IF_NAMESIZE];
int ret;
unsigned int ret;
ret = mlx5_get_ifname(dev, &ifname);
if (ret)
return ret;
ret = if_nametoindex(ifname);
if (ret == -1) {
if (ret == 0) {
rte_errno = errno;
return -rte_errno;
}