linux-kernel - [2.6.22 regression fix] include/linux/kallsyms.h must #include <linux/errno.h>

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Message-ID: <20070706225409.GS3492@stusta.de>
Date:	Sat, 7 Jul 2007 00:54:09 +0200
From:	Adrian Bunk <bunk@...sta.de>
To:	Michal Piotrowski <michal.k.k.piotrowski@...il.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org
Subject: [2.6.22 regression fix] include/linux/kallsyms.h must #include
	<linux/errno.h>

This patch fixes the following 2.6.22 regression with CONFIG_KALLSYMS=n:

<--  snip  -->

...
  CC      arch/m32r/kernel/traps.o
In file included from /home/bunk/linux/kernel-2.6/linux-2.6.22-rc6-mm1/arch/m32r/kernel/traps.c:14:
/home/bunk/linux/kernel-2.6/linux-2.6.22-rc6-mm1/include/linux/kallsyms.h: In function 'lookup_symbol_name':
/home/bunk/linux/kernel-2.6/linux-2.6.22-rc6-mm1/include/linux/kallsyms.h:66: error: 'ERANGE' undeclared (first use in this function)
/home/bunk/linux/kernel-2.6/linux-2.6.22-rc6-mm1/include/linux/kallsyms.h:66: error: (Each undeclared identifier is reported only once
/home/bunk/linux/kernel-2.6/linux-2.6.22-rc6-mm1/include/linux/kallsyms.h:66: error: for each function it appears in.)
/home/bunk/linux/kernel-2.6/linux-2.6.22-rc6-mm1/include/linux/kallsyms.h: In function 'lookup_symbol_attrs':
/home/bunk/linux/kernel-2.6/linux-2.6.22-rc6-mm1/include/linux/kallsyms.h:71: error: 'ERANGE' undeclared (first use in this function)
make[2]: *** [arch/m32r/kernel/traps.o] Error 1

<--  snip  -->

Signed-off-by: Adrian Bunk <bunk@...sta.de>

---
--- linux-2.6.22-rc6-mm1/include/linux/kallsyms.h.old	2007-07-06 05:18:28.000000000 +0200
+++ linux-2.6.22-rc6-mm1/include/linux/kallsyms.h	2007-07-06 05:19:09.000000000 +0200
@@ -5,6 +5,7 @@
 #ifndef _LINUX_KALLSYMS_H
 #define _LINUX_KALLSYMS_H

+#include <linux/errno.h>

 #define KSYM_NAME_LEN 127
 #define KSYM_SYMBOL_LEN (sizeof("%s+%#lx/%#lx [%s]") + KSYM_NAME_LEN +	\

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