diff options
Diffstat (limited to 'libtommath/bn_mp_div_d.c')
| -rw-r--r-- | libtommath/bn_mp_div_d.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libtommath/bn_mp_div_d.c b/libtommath/bn_mp_div_d.c index f2729d2..af18d0a 100644 --- a/libtommath/bn_mp_div_d.c +++ b/libtommath/bn_mp_div_d.c @@ -20,7 +20,7 @@ static int s_is_power_of_two(mp_digit b, int *p) int x; /* quick out - if (b & (b-1)) isn't zero, b isn't a power of two */ - if ((b & (b-1)) != 0) { + if ((b==0) || (b & (b-1))) { return 0; } for (x = 1; x < DIGIT_BIT; x++) { |