From: Jerin Jacob <jerinjacobk@gmail.com>
To: Bruce Richardson <bruce.richardson@intel.com>
Cc: dev@dpdk.org, mattias.ronnblom@ericsson.com
Subject: Re: [PATCH] event/dsw: fix missing device pointer
Date: Tue, 17 Oct 2023 21:34:04 +0530 [thread overview]
Message-ID: <CALBAE1O8N+XXSW_2xHnGBK8d+V6-LvP61KRcqwTODBD_e5=nwg@mail.gmail.com> (raw)
In-Reply-To: <20231017154532.152741-1-bruce.richardson@intel.com>
On Tue, Oct 17, 2023 at 9:32 PM Bruce Richardson
<bruce.richardson@intel.com> wrote:
>
> After calling rte_event_dev_info_get() the ".dev" field of the info
> structure should have a pointer to the underlying device, allowing the
> user to e.g. get the device name using using rte_dev_name(info.dev).
>
> The distributed software eventdev info structure did not return a
> correct device pointer, though, instead returning NULL, which caused
> crashes getting "rte_dev_name". Initializing the dev pointer inside the
> "eventdev" struct in the device probe function fixes this by ensuring we
> have a valid pointer to return in info_get calls.
>
> Fixes: 46a186b1f0c5 ("event/dsw: add device registration and build system")
> Cc: mattias.ronnblom@ericsson.com
>
> Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Is this issue for all "vdev" devices? if so, Please check for
drivers/event/skeleton too.
> ---
> drivers/event/dsw/dsw_evdev.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/event/dsw/dsw_evdev.c b/drivers/event/dsw/dsw_evdev.c
> index 785c12f61f..44da3c60d1 100644
> --- a/drivers/event/dsw/dsw_evdev.c
> +++ b/drivers/event/dsw/dsw_evdev.c
> @@ -440,6 +440,7 @@ dsw_probe(struct rte_vdev_device *vdev)
> return -EFAULT;
>
> dev->dev_ops = &dsw_evdev_ops;
> + dev->dev = &vdev->device;
> dev->enqueue = dsw_event_enqueue;
> dev->enqueue_burst = dsw_event_enqueue_burst;
> dev->enqueue_new_burst = dsw_event_enqueue_new_burst;
> --
> 2.39.2
>
next prev parent reply other threads:[~2023-10-17 16:04 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-17 15:45 Bruce Richardson
2023-10-17 15:55 ` Bruce Richardson
2023-10-17 16:04 ` Jerin Jacob [this message]
2023-10-17 16:11 ` David Marchand
2023-10-17 16:15 ` Bruce Richardson
2023-10-17 16:51 ` Jerin Jacob
2023-10-18 5:18 ` Jerin Jacob
2023-10-18 6:29 ` Mattias Rönnblom
2023-10-18 9:45 ` Bruce Richardson
2023-10-18 12:13 ` Bruce Richardson
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