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

From: Rob Herring
Date: Mon Mar 12 2018 - 11:27:45 EST


On Fri, Mar 9, 2018 at 7:28 PM, Frank Rowand <frowand.list@xxxxxxxxx> wrote:
> On 03/09/18 16:02, Rob Herring wrote:
>> On Thu, Mar 08, 2018 at 02:39:04PM -0800, frowand.list@xxxxxxxxx wrote:
>>> From: Frank Rowand <frank.rowand@xxxxxxxx>
>>>
>>> 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@xxxxxxxx>
>>> ---
>>> drivers/of/unittest.c | 89 ++++++++++++++-------------------------------------
>>> 1 file changed, 24 insertions(+), 65 deletions(-)
>>
>> Doesn't apply. What's it based on?
>>
>> Rob
>>
>
> Sorry, I guess I should have mentioned that.
>
> Based on top of of_overlay_fdt_apply() v7 for 4.17.
>
> It applies with or without Dan's "[PATCH] of: unittest: fix
> an error test in of_unittest_overlay_8()", which made me notice
> the common pattern.

That's what I figured, but I was not on the right branch... Now both
are applied.

Rob