2.6.23-stable review patch. If anyone has any objections, please let us
know.
------------------
From: Andrew Hastings <[email protected]>
patch 801916c1b369b637ce799e6c71a94963ff63df79 in mainline.
x86: fix off-by-one in find_next_zero_string
Fix an off-by-one error in find_next_zero_string which prevents
allocating the last bit.
[ tglx: arch/x86 adaptation ]
Signed-off-by: Andrew Hastings <[email protected]>
Signed-off-by: Andi Kleen <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
arch/x86_64/lib/bitstr.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/x86_64/lib/bitstr.c
+++ b/arch/x86_64/lib/bitstr.c
@@ -14,7 +14,7 @@ find_next_zero_string(unsigned long *bit
/* could test bitsliced, but it's hardly worth it */
end = n+len;
- if (end >= nbits)
+ if (end > nbits)
return -1;
for (i = n+1; i < end; i++) {
if (test_bit(i, bitmap)) {
--
-
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