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Fix additional integer.c report of possible use of NULL dp (after normal math performance improvement to defer dp pointer alloc commit bdbb98ed20

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This commit is contained in:
David Garske
2017-03-06 13:19:52 -08:00
parent ebef5083ca
commit be42a575da
1 changed files with 3 additions and 2 deletions
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5
wolfcrypt/src/integer.c
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@ -4133,7 +4133,7 @@ static const int lnz[16] = {
int mp_cnt_lsb(mp_int *a) int mp_cnt_lsb(mp_int *a)
{ {
int x; int x;
mp_digit q, qq; mp_digit q = 0, qq;
/* easy out */ /* easy out */
if (mp_iszero(a) == MP_YES) { if (mp_iszero(a) == MP_YES) {
@ -4142,7 +4142,8 @@ int mp_cnt_lsb(mp_int *a)
/* scan lower digits until non-zero */ /* scan lower digits until non-zero */
for (x = 0; x < a->used && a->dp[x] == 0; x++) {} for (x = 0; x < a->used && a->dp[x] == 0; x++) {}
q = a->dp[x]; if (a->dp)
q = a->dp[x];
x *= DIGIT_BIT; x *= DIGIT_BIT;
/* now scan this digit until a 1 is found */ /* now scan this digit until a 1 is found */