timer: Avoid integer overflows in usec and nsec calculations

When timer_calc_usec() is used with large timeout values, such as 60s,
the integer math can overflow and produce different results than when
using timer_calc(time / 1000) for the same timeout.

Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
1 file changed
tree: 46846492609a01d9b86f3dddcf478e808c2e1ea4
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