From: Vegard Nossum <vegard.nossum@gmail.com>

This will probably never trigger... but it won't hurt to be careful.

http://googleresearch.blogspot.com/2006/06/extra-extra-read-all-about-it-nearly.html

Signed-off-by: Vegard Nossum <vegard.nossum@gmail.com>
Cc: Joshua Bloch <jjb@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 kernel/kallsyms.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff -puN kernel/kallsyms.c~kallsyms-fix-potential-overflow-in-binary-search kernel/kallsyms.c
--- a/kernel/kallsyms.c~kallsyms-fix-potential-overflow-in-binary-search
+++ a/kernel/kallsyms.c
@@ -176,7 +176,7 @@ static unsigned long get_symbol_pos(unsi
 	high = kallsyms_num_syms;
 
 	while (high - low > 1) {
-		mid = (low + high) / 2;
+		mid = low + (high - low) / 2;
 		if (kallsyms_addresses[mid] <= addr)
 			low = mid;
 		else
_