linux-kernel - [tip:x86/urgent] x86, kaslr: add missed "static" declarations

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Date:	Tue, 25 Feb 2014 17:06:57 -0800
From:	tip-bot for Kees Cook <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...nel.org,
	keescook@...omium.org, tglx@...utronix.de, hpa@...ux.intel.com
Subject: [tip:x86/urgent] x86, kaslr: add missed "static" declarations

Commit-ID:  e290e8c59dbc2a15088d868170d799f763202fef
Gitweb:     http://git.kernel.org/tip/e290e8c59dbc2a15088d868170d799f763202fef
Author:     Kees Cook <keescook@...omium.org>
AuthorDate: Sun, 9 Feb 2014 13:56:44 -0800
Committer:  H. Peter Anvin <hpa@...ux.intel.com>
CommitDate: Tue, 25 Feb 2014 16:59:29 -0800

x86, kaslr: add missed "static" declarations

This silences build warnings about unexported variables and functions.

Signed-off-by: Kees Cook <keescook@...omium.org>
Link: http://lkml.kernel.org/r/20140209215644.GA30339@www.outflux.net
Signed-off-by: H. Peter Anvin <hpa@...ux.intel.com>
---
 arch/x86/boot/compressed/aslr.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/arch/x86/boot/compressed/aslr.c b/arch/x86/boot/compressed/aslr.c
index 90a21f4..4dbf967 100644
--- a/arch/x86/boot/compressed/aslr.c
+++ b/arch/x86/boot/compressed/aslr.c
@@ -111,7 +111,7 @@ struct mem_vector {
 };
 
 #define MEM_AVOID_MAX 5
-struct mem_vector mem_avoid[MEM_AVOID_MAX];
+static struct mem_vector mem_avoid[MEM_AVOID_MAX];
 
 static bool mem_contains(struct mem_vector *region, struct mem_vector *item)
 {
@@ -180,7 +180,7 @@ static void mem_avoid_init(unsigned long input, unsigned long input_size,
 }
 
 /* Does this memory vector overlap a known avoided area? */
-bool mem_avoid_overlap(struct mem_vector *img)
+static bool mem_avoid_overlap(struct mem_vector *img)
 {
 	int i;
 
@@ -192,8 +192,9 @@ bool mem_avoid_overlap(struct mem_vector *img)
 	return false;
 }
 
-unsigned long slots[CONFIG_RANDOMIZE_BASE_MAX_OFFSET / CONFIG_PHYSICAL_ALIGN];
-unsigned long slot_max = 0;
+static unsigned long slots[CONFIG_RANDOMIZE_BASE_MAX_OFFSET /
+			   CONFIG_PHYSICAL_ALIGN];
+static unsigned long slot_max;
 
 static void slots_append(unsigned long addr)
 {
--
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