diff options
| author | Andrew Hastings <abh@cray.com> | 2007-10-17 18:04:33 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2007-11-26 09:42:31 -0800 |
| commit | 2e6792e31175f12538e49d72c6dc2fd6e3eb2791 (patch) | |
| tree | 4deda946128112b899e3e92dc19ed35464497655 | |
| parent | df84bfba736f56550a32e7a85ad518f3f8431b9c (diff) | |
x86: fix off-by-one in find_next_zero_string
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 <abh@cray.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| -rw-r--r-- | arch/x86_64/lib/bitstr.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86_64/lib/bitstr.c b/arch/x86_64/lib/bitstr.c index 24676609a6a..7445caf1b5d 100644 --- a/arch/x86_64/lib/bitstr.c +++ b/arch/x86_64/lib/bitstr.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)) { |