diff options
Diffstat (limited to 'crypto/bn/bn_sqr.c')
| -rw-r--r-- | crypto/bn/bn_sqr.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/crypto/bn/bn_sqr.c b/crypto/bn/bn_sqr.c index 3ca69879ee..256d26e8db 100644 --- a/crypto/bn/bn_sqr.c +++ b/crypto/bn/bn_sqr.c @@ -143,8 +143,9 @@ int BN_sqr(BIGNUM *r, const BIGNUM *a, BN_CTX *ctx) rr->top = max - 1; else rr->top = max; - if (rr != r) - BN_copy(r, rr); + if (r != rr && BN_copy(r, rr) == NULL) + goto err; + ret = 1; err: bn_check_top(rr); |