Re: [PATCH] trace-cmd: avoid using uninitialized handle

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On Thu, 27 Jun 2019 08:27:10 -0700
Greg Thelen <gthelen@xxxxxxxxxx> wrote:

> The put_together_file() 'out' error path uses uninitialized handle.
> Unconditionally initialize handle.

Yep, that's true.

> 
> Fixes: 9ed499fccef5 ("trace-cmd: Fix record --date flag when sending tracing data to a listener")

Thanks, I'll add this to the queue.

-- Steve

> Signed-off-by: Greg Thelen <gthelen@xxxxxxxxxx>
> ---
>  tracecmd/trace-listen.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/tracecmd/trace-listen.c b/tracecmd/trace-listen.c
> index 3106022eeb39..9132582768ac 100644
> --- a/tracecmd/trace-listen.c
> +++ b/tracecmd/trace-listen.c
> @@ -626,7 +626,7 @@ static void stop_all_readers(int cpus, int *pid_array)
>  static int put_together_file(int cpus, int ofd, const char *node,
>  			     const char *port, bool write_options)
>  {
> -	struct tracecmd_output *handle;
> +	struct tracecmd_output *handle = NULL;
>  	char **temp_files;
>  	int cpu;
>  	int ret = -ENOMEM;




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