From 18d6522b86d21a04c8ac1ea79747e2e434a956d9 Mon Sep 17 00:00:00 2001
From: Atsuo Igarashi <atsuo_igarashi@tripeaks.co.jp>
Date: Fri, 26 Sep 2008 10:36:41 -0500
Subject: kgdb: could not write to the last of valid memory with kgdb

On the ARM architecture, kgdb will crash the kernel if the last byte
of valid memory is written due to a flush_icache_range flushing
beyond the memory boundary.

Signed-off-by: Atsuo Igarashi <atsuo_igarashi@tripeaks.co.jp>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
---
 kernel/kgdb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'kernel')

diff --git a/kernel/kgdb.c b/kernel/kgdb.c
index eaa21fc9ad1d..949806ab67de 100644
--- a/kernel/kgdb.c
+++ b/kernel/kgdb.c
@@ -488,7 +488,7 @@ static int write_mem_msg(int binary)
 		if (err)
 			return err;
 		if (CACHE_FLUSH_IS_SAFE)
-			flush_icache_range(addr, addr + length + 1);
+			flush_icache_range(addr, addr + length);
 		return 0;
 	}
 
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