aboutsummaryrefslogtreecommitdiffstats
path: root/crypto/bn/bn_lib.c
diff options
context:
space:
mode:
Diffstat (limited to 'crypto/bn/bn_lib.c')
-rw-r--r--crypto/bn/bn_lib.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/crypto/bn/bn_lib.c b/crypto/bn/bn_lib.c
index 8286b3855a2c..f93bbcfcc71f 100644
--- a/crypto/bn/bn_lib.c
+++ b/crypto/bn/bn_lib.c
@@ -338,6 +338,8 @@ void BN_swap(BIGNUM *a, BIGNUM *b)
void BN_clear(BIGNUM *a)
{
+ if (a == NULL)
+ return;
bn_check_top(a);
if (a->d != NULL)
OPENSSL_cleanse(a->d, sizeof(*a->d) * a->dmax);