linux-kernel - Re: [PATCH][next] rv: remove redundant assignment to variable retval

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Date:   Mon, 24 Apr 2023 11:20:26 +0200
From:   Daniel Bristot de Oliveira <bristot@...nel.org>
To:     Colin Ian King <colin.i.king@...il.com>
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org,
        Steven Rostedt <rostedt@...dmis.org>,
        linux-trace-devel@...r.kernel.org,
        Masami Hiramatsu <mhiramat@...nel.org>
Subject: Re: [PATCH][next] rv: remove redundant assignment to variable retval

On 4/18/23 17:00, Colin Ian King wrote:
> Variable retval is being assigned a value that is never read, it is
> being re-assigned a new value in both paths of a following if statement.
> Remove the assignment.
> 
> Cleans up clang-scan warning:
> kernel/trace/rv/rv.c:293:2: warning: Value stored to 'retval' is never read [deadcode.DeadStores]
>         retval = count;
> 
> Signed-off-by: Colin Ian King <colin.i.king@...il.com>

Acked-by: Daniel Bristot de Oliveira <bristot@...nel.org>

Thanks!
-- Daniel