From: sashiko-bot@kernel.org
To: "Guangshuo Li" <liguangshuo@mail.sdu.edu.cn>
Cc: linux-serial@vger.kernel.org
Subject: Re: [PATCH] serial: sccnxp: Fix potential stale ports after IRQ request failure
Date: Mon, 09 Nov 2026 13:20:25 +0000 [thread overview]
Message-ID: <sashiko-outbox-205008@kernel.org> (raw)
In-Reply-To: <20261109-21df1234b2-serial-sccnxp@mail.sdu.edu.cn>
> The ports are registered before the interrupt is requested. If that
> request fails, unregistering the UART driver frees its state array
> while the registered ports still refer to it.
>
> Check each port registration and remove the ports already registered
> before unwinding the UART driver on either failure path.
>
> This issue was found by our static analysis tool under development.
>
> Fixes: 1d65c0b12656 ("serial: New serial driver SCCNXP")
> Cc: stable@vger.kernel.org
> Signed-off-by: Guangshuo Li <liguangshuo@mail.sdu.edu.cn>
Sashiko has reviewed this patch and found no issues.
--
Sashiko AI review · https://sashiko.dev/#/patchset/20261109-21df1234b2-serial-sccnxp@mail.sdu.edu.cn?part=1
prev parent reply other threads:[~2026-11-09 13:20 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-09 13:09 [PATCH] serial: sccnxp: Fix potential stale ports after IRQ request failure Guangshuo Li
2026-11-09 13:20 ` sashiko-bot [this message]
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