From: Jakub Kicinski <kuba@kernel.org>
To: Lorenzo Bianconi <lorenzo@kernel.org>
Cc: Leon Romanovsky <leon@kernel.org>,
netdev@vger.kernel.org, nbd@nbd.name, john@phrozen.org,
sean.wang@mediatek.com, Mark-MC.Lee@mediatek.com,
davem@davemloft.net, edumazet@google.com, pabeni@redhat.com,
matthias.bgg@gmail.com, linux-mediatek@lists.infradead.org,
lorenzo.bianconi@redhat.com
Subject: Re: [PATCH net-next] net: ethernet: mtk_wed: fix possible deadlock if mtk_wed_wo_init fails
Date: Tue, 6 Dec 2022 17:24:26 -0800 [thread overview]
Message-ID: <20221206172426.7e7cf3bf@kernel.org> (raw)
In-Reply-To: <Y4/VvGi2d0/0RrRW@lore-desk>
On Wed, 7 Dec 2022 00:52:28 +0100 Lorenzo Bianconi wrote:
> > FWIW, that does seem slightly better to me as well.
> > Also - aren't you really fixing multiple issues here
> > (even if on the same error path)? The locking,
> > the null-checking and the change in mtk_wed_wo_reset()?
>
> wo NULL pointer issue was not hit before for the deadlock one (so I fixed them
> in the same patch).
> Do you prefer to split them in two patches? (wo null pointer fix first).
Yes, I think they are different issues even if once "covers" the other.
I think it'd make the review / judgment easier.
> I have posted v2 addressing Leon's comments but I need to post a v3 to add
> missing WARN_ON.
next prev parent reply other threads:[~2022-12-07 1:24 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-02 17:36 [PATCH net-next] net: ethernet: mtk_wed: fix possible deadlock if mtk_wed_wo_init fails Lorenzo Bianconi
2022-12-04 13:06 ` Leon Romanovsky
2022-12-04 15:09 ` Lorenzo Bianconi
2022-12-05 7:29 ` Leon Romanovsky
2022-12-05 9:04 ` Lorenzo Bianconi
2022-12-05 9:32 ` Leon Romanovsky
2022-12-06 1:44 ` Jakub Kicinski
2022-12-06 23:52 ` Lorenzo Bianconi
2022-12-07 1:24 ` Jakub Kicinski [this message]
2022-12-07 8:58 ` Lorenzo Bianconi
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