linux-kernel - Re: [PATCH] mailbox: add async request mechanism to empower controllers w/ hw queues

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Message-ID: <7f82da49-0f81-464e-bce4-569292210b10@linaro.org>
Date: Mon, 7 Oct 2024 07:05:53 +0100
From: Tudor Ambarus <tudor.ambarus@...aro.org>
To: jassisinghbrar@...il.com
Cc: linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 marcan@...can.st, neal@...pa.dev, alyssa@...enzweig.io, broonie@...nel.org,
 andre.draszik@...aro.org, willmcvicker@...gle.com, peter.griffin@...aro.org,
 kernel-team@...roid.com
Subject: Re: [PATCH] mailbox: add async request mechanism to empower
 controllers w/ hw queues



On 10/4/24 5:53 PM, Tudor Ambarus wrote:
>  void mbox_free_channel(struct mbox_chan *chan)
>  {
> +	struct mbox_controller *mbox = chan->mbox;

oops, I dereferenced before checking chan for null. I'll fix it after I
get some feedback on the overall idea.

>  	unsigned long flags;
>  
>  	if (!chan || !chan->cl)
>  		return;
	
Thanks,
ta