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From: Joel Fernandes <joel@joelfernandes.org>
To: Dan Carpenter <dan.carpenter@oracle.com>
Cc: paulmck@kernel.org, rcu@vger.kernel.org
Subject: Re: [bug report] refperf: Dynamically allocate experiment-summary output buffer
Date: Fri, 29 May 2020 13:55:42 -0400	[thread overview]
Message-ID: <20200529175542.GA197424@google.com> (raw)
In-Reply-To: <20200529094829.GA1302781@mwanda>

On Fri, May 29, 2020 at 12:48:29PM +0300, Dan Carpenter wrote:
> Hello Paul E. McKenney,
> 
> This is a semi-automatic email about new static checker warnings.
> 
> The patch 54c0ed208976: "refperf: Dynamically allocate
> experiment-summary output buffer" from May 25, 2020, leads to the
> following Smatch complaint:
> 
>     kernel/rcu/refperf.c:395 main_func()
>     error: we previously assumed 'buf' could be null (see line 352)
> 
> kernel/rcu/refperf.c
>    351		buf = kzalloc(64 + nruns * 32, GFP_KERNEL);
>    352		if (!result_avg || !buf) {
>                                    ^^^^
> Check for NULL

Makes sense. Looks like Paul already fixed it so should be good.

Thanks!

      reply	other threads:[~2020-05-29 17:55 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-29  9:48 [bug report] refperf: Dynamically allocate experiment-summary output buffer Dan Carpenter
2020-05-29 17:55 ` Joel Fernandes [this message]

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