linux-kernel - Re: [PATCH] powerpc/math: Fix missing __user qualifier for get

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Date:   Wed, 31 Mar 2021 12:09:37 +1100
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     Michael Ellerman <mpe@...erman.id.au>,
        Paul Mackerras <paulus@...ba.org>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Christophe Leroy <christophe.leroy@...roup.eu>
Cc:     linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH] powerpc/math: Fix missing __user qualifier for get_user() and other sparse warnings

On Mon, 15 Mar 2021 12:00:09 +0000 (UTC), Christophe Leroy wrote:
> Sparse reports the following problems:
> 
> arch/powerpc/math-emu/math.c:228:21: warning: Using plain integer as NULL pointer
> arch/powerpc/math-emu/math.c:228:31: warning: Using plain integer as NULL pointer
> arch/powerpc/math-emu/math.c:228:41: warning: Using plain integer as NULL pointer
> arch/powerpc/math-emu/math.c:228:51: warning: Using plain integer as NULL pointer
> arch/powerpc/math-emu/math.c:237:13: warning: incorrect type in initializer (different address spaces)
> arch/powerpc/math-emu/math.c:237:13:    expected unsigned int [noderef] __user *_gu_addr
> arch/powerpc/math-emu/math.c:237:13:    got unsigned int [usertype] *
> arch/powerpc/math-emu/math.c:226:1: warning: symbol 'do_mathemu' was not declared. Should it be static?
> 
> [...]

Applied to powerpc/next.

[1/1] powerpc/math: Fix missing __user qualifier for get_user() and other sparse warnings
      https://git.kernel.org/powerpc/c/e448e1e774dc0ca307c17e961daf7ede2e635c57

cheers