linux-kernel - Re: [PATCH 1/2] of: unittest: remove unneeded local return value variables

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Date:   Fri, 9 Mar 2018 18:02:13 -0600
From:   Rob Herring <robh@...nel.org>
To:     frowand.list@...il.com
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Dan Carpenter <dan.carpenter@...cle.com>
Subject: Re: [PATCH 1/2] of: unittest: remove unneeded local return value
 variables

On Thu, Mar 08, 2018 at 02:39:04PM -0800, frowand.list@...il.com wrote:
> From: Frank Rowand <frank.rowand@...y.com>
> 
> A common pattern in many unittest functions is to save the return
> value of a function in a local variable, then test the value of
> the local variable, without using that return value for any further
> purpose.  Remove the local return value variable for these cases.
> 
> A second common pattern is:
> 
>    ret = some_test_function(many, parameters, ...);
>    if (unittest(ret == 0, "error message format", ...))
>       return;
> 
> This pattern is more clear when the local variable 'ret' is used, due
> to the long lines caused by the parameters to the test function and
> the long format and data parameters of unittest().  The local
> variable is retained in these cases.
> 
> Signed-off-by: Frank Rowand <frank.rowand@...y.com>
> ---
>  drivers/of/unittest.c | 89 ++++++++++++++-------------------------------------
>  1 file changed, 24 insertions(+), 65 deletions(-)

Doesn't apply. What's it based on?

Rob