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| author | Andrew Hastings <abh@cray.com> | 2007-10-17 18:04:33 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@inhelltoy.tec.linutronix.de> | 2007-10-17 20:15:22 +0200 |
| commit | 801916c1b369b637ce799e6c71a94963ff63df79 (patch) | |
| tree | dad0d1c3a6a3c19040441423007528dc56f1e016 /arch | |
| parent | 6442eea937ef797d4b66733f49c82e2fdc2aca6f (diff) | |
| download | blackbird-op-linux-801916c1b369b637ce799e6c71a94963ff63df79.tar.gz blackbird-op-linux-801916c1b369b637ce799e6c71a94963ff63df79.zip | |
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')
| -rw-r--r-- | arch/x86/lib/bitstr_64.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/lib/bitstr_64.c b/arch/x86/lib/bitstr_64.c index 24676609a6ac..7445caf1b5de 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)) { |
