linux-kernel - Re: [PATCH] x86: fix two sparse warnings in early boot string handling

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Date:	Tue, 11 Feb 2014 14:26:45 -0800 (PST)
From:	David Rientjes <rientjes@...gle.com>
To:	Paul Gortmaker <paul.gortmaker@...driver.com>
cc:	linux-kernel@...r.kernel.org, "H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, x86@...nel.org
Subject: Re: [PATCH] x86: fix two sparse warnings in early boot string
 handling

On Tue, 11 Feb 2014, Paul Gortmaker wrote:

> Fixes:
> 
> arch/x86/boot/compressed/../string.c:60:14: warning: symbol 'atou' was not declared. Should it be static?
> arch/x86/boot/string.c:133:6: warning: symbol 'strstr' was not declared. Should it be static?
> 
> The atou one could be considered a false positive; it seems somehow
> caused by including ./string.c from within /compressed/string.c file.
> However git grep shows only the atou prototype and declaration, so
> it is completely unused and we can hence delete it.
> 

Declaring a prototype in a header file would be pointless if there is no 
current breakage; I don't see why you can't remove strstr() in 
arch/x86/boot/string.c entirely.  What breaks?
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