From: "Nélio Laranjeiro" <nelio.laranjeiro@6wind.com>
To: Matan Azrad <matan@mellanox.com>
Cc: Adrien Mazarguil <adrien.mazarguil@6wind.com>,
dev@dpdk.org, stable@dpdk.org
Subject: Re: [dpdk-dev] [PATCH 2/2] net/mlx5: fix probe failure report
Date: Wed, 23 Aug 2017 11:44:13 +0200 [thread overview]
Message-ID: <20170823094413.GT12995@autoinstall.dev.6wind.com> (raw)
In-Reply-To: <1502627112-53405-2-git-send-email-matan@mellanox.com>
On Sun, Aug 13, 2017 at 03:25:12PM +0300, Matan Azrad wrote:
> The corrupted code doesn't return error when probe function
> fails due to error in device mac address getting.
> By this way, the probe function may return success even if the
> ETH dev is not allocated.
>
> Hence, the probe caller, for example failsafe PMD, fails when it
> tries to get ETH dev after the device was plugged out while mlx5
> was probing it.
>
> The fix adds error report to the probe caller when priv_get_mac fails
> and in all other failure options which are missing it.
>
> By this way, it prevents the unexpected behavior to miss ETH device
> after the device was probed successfully.
>
> This bug was already present in the original code taken from mlx4.
>
> Fixes: 771fa900b73a ("mlx5: introduce new driver for Mellanox ConnectX-4 adapters")
> Fixes: 1371f4df16bc ("mlx5: check port is configured as ethernet device")
>
> Signed-off-by: Matan Azrad <matan@mellanox.com>
> Cc: stable@dpdk.org
Acked-by: Nelio Laranjeiro <nelio.laranjeiro@6wind.com>
--
Nélio Laranjeiro
6WIND
next prev parent reply other threads:[~2017-08-23 9:44 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-13 12:25 [dpdk-dev] [PATCH 1/2] net/mlx5: support device removal event Matan Azrad
2017-08-13 12:25 ` [dpdk-dev] [PATCH 2/2] net/mlx5: fix probe failure report Matan Azrad
2017-08-23 9:44 ` Nélio Laranjeiro [this message]
2017-09-01 10:40 ` [dpdk-dev] [dpdk-stable] " Ferruh Yigit
2017-08-23 9:40 ` [dpdk-dev] [PATCH 1/2] net/mlx5: support device removal event Nélio Laranjeiro
2017-08-23 19:44 ` Matan Azrad
2017-08-24 7:38 ` Nélio Laranjeiro
2017-08-24 14:33 ` Matan Azrad
2017-08-25 8:29 ` Nélio Laranjeiro
2017-08-29 8:30 ` [dpdk-dev] [PATCH v2] " Matan Azrad
2017-09-04 12:49 ` Nélio Laranjeiro
2017-09-04 13:55 ` [dpdk-dev] [PATCH v3] " Matan Azrad
2017-09-04 15:33 ` Adrien Mazarguil
2017-09-04 17:52 ` Matan Azrad
2017-09-05 9:28 ` Adrien Mazarguil
2017-09-05 10:38 ` Matan Azrad
2017-09-05 12:01 ` Adrien Mazarguil
2017-09-05 13:36 ` Matan Azrad
2017-09-06 7:12 ` Adrien Mazarguil
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