Xi Wang 80834312a4 ceph: fix overflow check in build_snap_context() ...

The overflow check for a + n * b should be (n > (ULONG_MAX - a) / b),
rather than (n > ULONG_MAX / b - a).

Signed-off-by: Xi Wang <xi.wang@gmail.com>
Signed-off-by: Sage Weil <sage@newdream.net>

2012-03-22 10:47:45 -05:00

26 KiB

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