linux-kernel - Re: [PATCH] x86: suppress trivial sparse signedness warnings

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Message-ID: <20080924075529.GF3655@elte.hu>
Date:	Wed, 24 Sep 2008 09:55:29 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Harvey Harrison <harvey.harrison@...il.com>
Cc:	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>,
	LKML <linux-kernel@...r.kernel.org>,
	Steven Rostedt <rostedt@...dmis.org>
Subject: Re: [PATCH] x86: suppress trivial sparse signedness warnings


* Harvey Harrison <harvey.harrison@...il.com> wrote:

> Could just as easily change the three casts to cast to the correct
> type...this patch changes the type of ftrace_nop instead.
> 
> Supresses sparse warnings:
> arch/x86/kernel/ftrace.c:157:14: warning: incorrect type in assignment (different signedness)
> arch/x86/kernel/ftrace.c:157:14:    expected long *static [toplevel] ftrace_nop
> arch/x86/kernel/ftrace.c:157:14:    got unsigned long *<noident>
> arch/x86/kernel/ftrace.c:161:14: warning: incorrect type in assignment (different signedness)
> arch/x86/kernel/ftrace.c:161:14:    expected long *static [toplevel] ftrace_nop
> arch/x86/kernel/ftrace.c:161:14:    got unsigned long *<noident>
> arch/x86/kernel/ftrace.c:165:14: warning: incorrect type in assignment (different signedness)
> arch/x86/kernel/ftrace.c:165:14:    expected long *static [toplevel] ftrace_nop
> arch/x86/kernel/ftrace.c:165:14:    got unsigned long *<noident>
> 
> Signed-off-by: Harvey Harrison <harvey.harrison@...il.com>

applied to tip/tracing/ftrace, thanks Harvey!

	Ingo
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