linux-kernel - Re: [PATCH 3/8] rtla/osnoise_top: Fix segmentation fault when failing to enable -t

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Date:   Thu, 3 Feb 2022 11:43:03 -0500
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Daniel Bristot de Oliveira <bristot@...nel.org>
Cc:     linux-kernel@...r.kernel.org, linux-trace-devel@...r.kernel.org
Subject: Re: [PATCH 3/8] rtla/osnoise_top: Fix segmentation fault when
 failing to enable -t

On Thu, 3 Feb 2022 11:41:26 -0500
Steven Rostedt <rostedt@...dmis.org> wrote:

> Wouldn't these four patches be more robust if you just initialized record
> (and tool) to NULL, and change osnoise_destroy_tool() to:

And if you do this, it should be one patch, not four.

-- Steve

> 
> void osnoise_destroy_tool(struct osnoise_tool *top)
> {
> 	if (!top)
> 		return;
> 
>         trace_instance_destroy(&top->trace);
> 
>         if (top->context)
>                 osnoise_put_context(top->context);
> 
>         free(top);
> }
> 
> Then you don't need these extra labels and if statements in the main code.