From: Vinod Koul <vkoul@kernel.org>
To: dmaengine@vger.kernel.org, Rosen Penev <rosenp@gmail.com>
Cc: Frank Li <Frank.Li@kernel.org>, Saeed Bishara <saeed@marvell.com>,
Dan Williams <djbw@kernel.org>,
Maciej Sosnowski <maciej.sosnowski@intel.com>,
Nicolas Pitre <nico@marvell.com>,
Lennert Buytenhek <buytenh@marvell.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] dmaengine: mv_xor: kill tasklet on channel add error path
Date: Tue, 15 Sep 2026 23:06:21 +0530 [thread overview]
Message-ID: <178949378183.248239.15139864627876288604.b4-ty@kernel.org> (raw)
In-Reply-To: <20260909234601.101883-1-rosenp@gmail.com>
On Wed, 09 Sep 2026 16:46:01 -0700, Rosen Penev wrote:
> If request_irq() succeeds but a later step (self-test or device
> registration) fails, the error path at err_free_irq frees the IRQ
> but does not kill the tasklet. A previously scheduled tasklet can
> still run after the channel is freed, accessing freed memory.
>
> Add tasklet_kill() after free_irq() on the error path.
>
> [...]
Applied, thanks!
[1/1] dmaengine: mv_xor: kill tasklet on channel add error path
commit: bcb4d469b19d53dc21e4a1da12d4438e7489e150
Best regards,
--
~Vinod
prev parent reply other threads:[~2026-09-15 17:36 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-09 23:46 [PATCH] dmaengine: mv_xor: kill tasklet on channel add error path Rosen Penev
2026-09-09 23:58 ` sashiko-bot
2026-09-10 1:31 ` Frank Li
2026-09-15 17:36 ` Vinod Koul [this message]
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