[PATCH] x86, kaslr: add missed "static" declarations

From: Kees Cook
Date: Sun Feb 09 2014 - 16:57:21 EST


This silences build warnings about unexported variables and functions.

Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
---
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 90a21f430117..4dbf967da50d 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)
{
--
1.7.9.5


--
Kees Cook
Chrome OS Security
--
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