linux-kernel - Re: [PATCH] scsi: aha1740: Use !x in place of NULL comparisons

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Message-Id: <1562889124.2915.5.camel@linux.ibm.com>
Date:   Thu, 11 Jul 2019 16:52:04 -0700
From:   James Bottomley <jejb@...ux.ibm.com>
To:     Keyur Patel <iamkeyur96@...il.com>
Cc:     "Martin K. Petersen" <martin.petersen@...cle.com>,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] scsi: aha1740: Use !x in place of NULL comparisons

On Thu, 2019-07-11 at 19:48 -0400, Keyur Patel wrote:
> Change (x == NULL) to !x and (x != NULL) to x, to fix
> following checkpatch.pl warnings:
> CHECK: Comparison to NULL could be written "!x".

This is one of our significantly older drivers.  We try not to touch it
unless we really have to, so I'd rather not have patches like this
applied to it.

I also don't really think the replacement adds anything to readability,
so it should probably be removed from the checkpatch warnings.

Thanks,

James