All of lore.kernel.org
 help / color / mirror / Atom feed
From: Przemek Kitszel <przemyslaw.kitszel@intel.com>
To: Pawel Chmielewski <pawel.chmielewski@intel.com>,
	<intel-wired-lan@lists.osuosl.org>
Cc: Ngai-Mint Kwan <ngai-mint.kwan@intel.com>,
	netdev@vger.kernel.org,
	Mateusz Polchlopek <mateusz.polchlopek@intel.com>
Subject: Re: [Intel-wired-lan] [PATCH iwl-next] ice: Do not get coalesce settings while in reset
Date: Tue, 5 Dec 2023 17:09:48 +0100	[thread overview]
Message-ID: <8eca364e-8796-d01f-ead3-2a419a9f7658@intel.com> (raw)
In-Reply-To: <20231205152620.568183-1-pawel.chmielewski@intel.com>

On 12/5/23 16:26, Pawel Chmielewski wrote:
> From: Ngai-Mint Kwan <ngai-mint.kwan@intel.com>
> 
> Getting coalesce settings while reset is in progress can cause NULL
> pointer deference bug.
> If under reset, abort get coalesce for ethtool.
> 
> Signed-off-by: Ngai-Mint Kwan <ngai-mint.kwan@intel.com>
> Reviewed-by: Mateusz Polchlopek <mateusz.polchlopek@intel.com>
> Signed-off-by: Pawel Chmielewski <pawel.chmielewski@intel.com>
> ---
>   drivers/net/ethernet/intel/ice/ice_ethtool.c | 3 +++
>   1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/net/ethernet/intel/ice/ice_ethtool.c b/drivers/net/ethernet/intel/ice/ice_ethtool.c
> index bde9bc74f928..2d565cc484a0 100644
> --- a/drivers/net/ethernet/intel/ice/ice_ethtool.c
> +++ b/drivers/net/ethernet/intel/ice/ice_ethtool.c
> @@ -3747,6 +3747,9 @@ __ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec,
>   	struct ice_netdev_priv *np = netdev_priv(netdev);
>   	struct ice_vsi *vsi = np->vsi;
>   
> +	if (ice_is_reset_in_progress(vsi->back->state))
> +		return -EBUSY;
> +
>   	if (q_num < 0)
>   		q_num = 0;
>   

Sorry for a late review,
This asks for a Fixes: tag, and targeting at iwl-net instead :)
_______________________________________________
Intel-wired-lan mailing list
Intel-wired-lan@osuosl.org
https://lists.osuosl.org/mailman/listinfo/intel-wired-lan

WARNING: multiple messages have this Message-ID (diff)
From: Przemek Kitszel <przemyslaw.kitszel@intel.com>
To: Pawel Chmielewski <pawel.chmielewski@intel.com>,
	<intel-wired-lan@lists.osuosl.org>
Cc: <netdev@vger.kernel.org>,
	Ngai-Mint Kwan <ngai-mint.kwan@intel.com>,
	Mateusz Polchlopek <mateusz.polchlopek@intel.com>
Subject: Re: [PATCH iwl-next] ice: Do not get coalesce settings while in reset
Date: Tue, 5 Dec 2023 17:09:48 +0100	[thread overview]
Message-ID: <8eca364e-8796-d01f-ead3-2a419a9f7658@intel.com> (raw)
In-Reply-To: <20231205152620.568183-1-pawel.chmielewski@intel.com>

On 12/5/23 16:26, Pawel Chmielewski wrote:
> From: Ngai-Mint Kwan <ngai-mint.kwan@intel.com>
> 
> Getting coalesce settings while reset is in progress can cause NULL
> pointer deference bug.
> If under reset, abort get coalesce for ethtool.
> 
> Signed-off-by: Ngai-Mint Kwan <ngai-mint.kwan@intel.com>
> Reviewed-by: Mateusz Polchlopek <mateusz.polchlopek@intel.com>
> Signed-off-by: Pawel Chmielewski <pawel.chmielewski@intel.com>
> ---
>   drivers/net/ethernet/intel/ice/ice_ethtool.c | 3 +++
>   1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/net/ethernet/intel/ice/ice_ethtool.c b/drivers/net/ethernet/intel/ice/ice_ethtool.c
> index bde9bc74f928..2d565cc484a0 100644
> --- a/drivers/net/ethernet/intel/ice/ice_ethtool.c
> +++ b/drivers/net/ethernet/intel/ice/ice_ethtool.c
> @@ -3747,6 +3747,9 @@ __ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec,
>   	struct ice_netdev_priv *np = netdev_priv(netdev);
>   	struct ice_vsi *vsi = np->vsi;
>   
> +	if (ice_is_reset_in_progress(vsi->back->state))
> +		return -EBUSY;
> +
>   	if (q_num < 0)
>   		q_num = 0;
>   

Sorry for a late review,
This asks for a Fixes: tag, and targeting at iwl-net instead :)

  reply	other threads:[~2023-12-05 16:10 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-12-05 15:26 [Intel-wired-lan] [PATCH iwl-next] ice: Do not get coalesce settings while in reset Pawel Chmielewski
2023-12-05 15:26 ` Pawel Chmielewski
2023-12-05 16:09 ` Przemek Kitszel [this message]
2023-12-05 16:09   ` Przemek Kitszel
2023-12-06 17:37   ` [Intel-wired-lan] " Pawel Chmielewski
2023-12-06 17:37     ` Pawel Chmielewski
2023-12-18  5:25 ` [Intel-wired-lan] " Pucha, HimasekharX Reddy
2023-12-18  5:25   ` Pucha, HimasekharX Reddy

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=8eca364e-8796-d01f-ead3-2a419a9f7658@intel.com \
    --to=przemyslaw.kitszel@intel.com \
    --cc=intel-wired-lan@lists.osuosl.org \
    --cc=mateusz.polchlopek@intel.com \
    --cc=netdev@vger.kernel.org \
    --cc=ngai-mint.kwan@intel.com \
    --cc=pawel.chmielewski@intel.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.