diff options
Diffstat (limited to 'crypto/bn/bn_exp.c')
| -rw-r--r-- | crypto/bn/bn_exp.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/crypto/bn/bn_exp.c b/crypto/bn/bn_exp.c index 70a33f0d936c..d9b6c737fc82 100644 --- a/crypto/bn/bn_exp.c +++ b/crypto/bn/bn_exp.c @@ -134,7 +134,8 @@ int BN_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, BN_CTX *ctx) rr = BN_CTX_get(ctx); else rr = r; - if ((v = BN_CTX_get(ctx)) == NULL) goto err; + v = BN_CTX_get(ctx); + if (rr == NULL || v == NULL) goto err; if (BN_copy(v,a) == NULL) goto err; bits=BN_num_bits(p); |