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authorAndrew Hastings <abh@cray.com>2007-10-17 18:04:33 +0200
committerThomas Gleixner <tglx@inhelltoy.tec.linutronix.de>2007-10-17 20:15:22 +0200
commit801916c1b369b637ce799e6c71a94963ff63df79 (patch)
treedad0d1c3a6a3c19040441423007528dc56f1e016 /arch/x86/lib
parent6442eea937ef797d4b66733f49c82e2fdc2aca6f (diff)
downloadop-kernel-dev-801916c1b369b637ce799e6c71a94963ff63df79.zip
op-kernel-dev-801916c1b369b637ce799e6c71a94963ff63df79.tar.gz
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 <abh@cray.com> on behalf of Cray Inc. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/lib')
-rw-r--r--arch/x86/lib/bitstr_64.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/lib/bitstr_64.c b/arch/x86/lib/bitstr_64.c
index 2467660..7445caf 100644
--- a/arch/x86/lib/bitstr_64.c
+++ b/arch/x86/lib/bitstr_64.c
@@ -14,7 +14,7 @@ find_next_zero_string(unsigned long *bitmap, long start, long nbits, int len)
/* 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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