linux-kernel - [PATCH] x86 pci acpi: fix type mismatch

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Message-ID: <4DCEBB85.8040709@freemail.hu>
Date:	Sat, 14 May 2011 19:27:33 +0200
From:	Németh Márton <nm127@...email.hu>
To:	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Bjorn Helgaas <bjorn.helgaas@...com>,
	Andrew Morton <akpm@...ux-foundation.org>
CC:	Julia Lawall <julia@...u.dk>, LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH] x86 pci acpi: fix type mismatch

From: Márton Németh <nm127@...email.hu>

The flags field of struct resource from linux/ioport.h is "unsigned long". Change
the "type" parameter of coalesce_windows() function to match that field. This fixes
the following warning messages when compiling with "make C=1 W=1 bzImage modules":

arch/x86/pci/acpi.c: In function ‘coalesce_windows’:
arch/x86/pci/acpi.c:198: warning: conversion to ‘long unsigned int’ from ‘int’ may change the sign of the result
arch/x86/pci/acpi.c:203: warning: conversion to ‘long unsigned int’ from ‘int’ may change the sign of the result

Signed-off-by: Márton Németh <nm127@...email.hu>
---
--- linux-2.6.39-rc6/arch/x86/pci/acpi.c.orig	2011-05-04 04:59:13.000000000 +0200
+++ linux-2.6.39-rc6/arch/x86/pci/acpi.c	2011-05-14 19:12:42.000000000 +0200
@@ -188,7 +188,7 @@ static bool resource_contains(struct res
 	return false;
 }

-static void coalesce_windows(struct pci_root_info *info, int type)
+static void coalesce_windows(struct pci_root_info *info, unsigned long type)
 {
 	int i, j;
 	struct resource *res1, *res2;
--
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