linux-kernel - Re: [PATCH] arch/x86: use 'NULL' insteadof '0' as null pointer

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Message-ID: <20220419073732.GJ2731@worktop.programming.kicks-ass.net>
Date:   Tue, 19 Apr 2022 09:37:32 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     liqiong <liqiong@...china.com>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org,
        linux-kernel@...r.kernel.org, yuzhe@...china.com,
        renyu@...china.com
Subject: Re: [PATCH] arch/x86: use 'NULL' insteadof '0' as null pointer

On Sun, Apr 17, 2022 at 11:41:48PM +0800, liqiong wrote:
> Sparse warns: "Using plain integer as NULL pointer".

What's wrong with that?