[dpdk-dev] [PATCH] net/mlx5: fix invalid error check
Shahaf Shuler
shahafs at mellanox.com
Thu Jun 28 08:39:15 CEST 2018
Wednesday, June 27, 2018 2:55 PM, Nélio Laranjeiro:
> Subject: Re: [PATCH] net/mlx5: fix invalid error check
>
> On Wed, Jun 27, 2018 at 11:20:52AM +0200, Adrien Mazarguil wrote:
> > Since its return type is unsigned, if_nametoindex() returns 0 in case
> > of error, never -1.
> >
> > Fixes: ccdcba53a3f4 ("net/mlx5: use Netlink to add/remove MAC
> > addresses")
> > Cc: Nelio Laranjeiro <nelio.laranjeiro at 6wind.com>
> > Cc: stable at dpdk.org
> >
> > Signed-off-by: Adrien Mazarguil <adrien.mazarguil at 6wind.com>
> Acked-by: Nelio Laranjeiro <nelio.laranjeiro at 6wind.com>
Applied to next-net-mlx, thanks.
>
> > ---
> > drivers/net/mlx5/mlx5_ethdev.c | 4 ++--
> > 1 file changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/net/mlx5/mlx5_ethdev.c
> > b/drivers/net/mlx5/mlx5_ethdev.c index 90488af33..ebe5cb6e3 100644
> > --- a/drivers/net/mlx5/mlx5_ethdev.c
> > +++ b/drivers/net/mlx5/mlx5_ethdev.c
> > @@ -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;
> > }
> > --
> > 2.11.0
>
> Thanks,
>
> --
> Nélio Laranjeiro
> 6WIND
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