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From: Dan Carpenter <dan.carpenter@linaro.org>
To: SeongJae Park <sj@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	damon@lists.linux.dev, linux-mm@kvack.org,
	kernel-janitors@vger.kernel.org
Subject: Re: [PATCH] mm/damon/sysfs: eliminate potential uninitialized variable warning
Date: Mon, 6 Nov 2023 19:23:47 +0300	[thread overview]
Message-ID: <18d2f41d-e442-4f73-89f1-50bf20cd85f2@kadam.mountain> (raw)
In-Reply-To: <20231106144137.9772-1-sj@kernel.org>

On Mon, Nov 06, 2023 at 06:41:37AM -0800, SeongJae Park wrote:
> Hi Dan,
> 
> On Mon, 6 Nov 2023 17:07:40 +0300 Dan Carpenter <dan.carpenter@linaro.org> wrote:
> 
> > The "err" variable is not initialized if damon_target_has_pid(ctx) is
> > false and sys_target->regions->nr is zero.
> 
> Thank you for fixing this.  I actually noticed this issue from Coverity Weekly
> Scan of -next tree (CID 1570878), and was about to send very same fix, but you
> were faster :)
> 
> > 
> > Fixes: 0bcd216c4741 ("mm/damon/sysfs: update monitoring target regions for online input commit")
> 
> Cc stable?
> 

The fixes tag is from last week so I assumed it wasn't in stable yet.

Also to be honest, I wasn't totally positive this bug could occur in
real life.

regards,
dan carpenter



  reply	other threads:[~2023-11-06 16:23 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-06 14:07 Dan Carpenter
2023-11-06 14:41 ` SeongJae Park
2023-11-06 16:23   ` Dan Carpenter [this message]
2023-11-06 16:52     ` SeongJae Park
2023-11-07  3:54       ` Dan Carpenter
2023-11-06 19:05 ` Deepak R Varma
2023-11-06 20:49   ` SeongJae Park

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