Re: [PATCH] staging: fsl-mc: fix fsl_mc_is_allocatable strcmps

From: Colin Ian King
Date: Wed Aug 16 2017 - 10:14:31 EST


On 16/08/17 14:37, Laurentiu Tudor wrote:
> On 08/16/2017 03:06 PM, Dan Carpenter wrote:
>> On Wed, Aug 16, 2017 at 12:44:51PM +0100, Colin King wrote:
>>> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>>>
>>> The previous fix removed the equal to zero comparisons by the strcmps and
>>> now the function always returns true. Fix this by adding in the missing
>>> logical negation operators.
>>>
>>> Detected by CoverityScan, CID#1452267 ("Constant expression result")
>>>
>>> Fixes: b93ad9a067e1 ("staging: fsl-mc: be consistent when checking strcmp() return")
>
> Thanks Colin (and Coverity) for catching this!
>
>> Ugh... I did review the original patch at all. Sorry.
>
> As a side note, funny how i got the patch description right but not the
> actual patch. :-)
>
>> It's better to use "== 0" because it's idiomatic.
>
> Agree, plus this approach would be consistent with the rest of the
> driver (except one place in drivers/staging/fsl-mc/bus/dprc-driver.c +32)

OK, I'll send a revert sometime today as that seems the sane solution.

Colin
>
> ---
> Best Regards, Laurentiu--
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