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authorShane Lontis <shane.lontis@oracle.com>2019-03-19 00:58:09 +0100
committerRichard Levitte <levitte@openssl.org>2019-03-19 07:25:48 +0100
commitce1415ed2ce15305356cd028bcf7b9bc688d6d5c (patch)
treee9f4d5ed4bbb781d42b09c6a2c9bebd73fe8917f /crypto/ec
parentFix strict-warnings build on FreeBSD (diff)
downloadopenssl-ce1415ed2ce15305356cd028bcf7b9bc688d6d5c.tar.xz
openssl-ce1415ed2ce15305356cd028bcf7b9bc688d6d5c.zip
Added NULL check to BN_clear() & BN_CTX_end()
Reviewed-by: Paul Dale <paul.dale@oracle.com> Reviewed-by: Richard Levitte <levitte@openssl.org> (Merged from https://github.com/openssl/openssl/pull/8518)
Diffstat (limited to 'crypto/ec')
-rw-r--r--crypto/ec/ec2_smpl.c3
-rw-r--r--crypto/ec/ec_lib.c3
-rw-r--r--crypto/ec/ec_mult.c3
-rw-r--r--crypto/ec/ecdh_ossl.c3
-rw-r--r--crypto/ec/ecp_nistz256.c3
-rw-r--r--crypto/ec/ecp_smpl.c6
6 files changed, 7 insertions, 14 deletions
diff --git a/crypto/ec/ec2_smpl.c b/crypto/ec/ec2_smpl.c
index 7bd2a63203..ebd6f21eec 100644
--- a/crypto/ec/ec2_smpl.c
+++ b/crypto/ec/ec2_smpl.c
@@ -204,8 +204,7 @@ int ec_GF2m_simple_group_check_discriminant(const EC_GROUP *group,
ret = 1;
err:
- if (ctx != NULL)
- BN_CTX_end(ctx);
+ BN_CTX_end(ctx);
BN_CTX_free(new_ctx);
return ret;
}
diff --git a/crypto/ec/ec_lib.c b/crypto/ec/ec_lib.c
index 2623b5377f..798382ac29 100644
--- a/crypto/ec/ec_lib.c
+++ b/crypto/ec/ec_lib.c
@@ -1079,8 +1079,7 @@ static int ec_field_inverse_mod_ord(const EC_GROUP *group, BIGNUM *r,
ret = 1;
err:
- if (ctx != NULL)
- BN_CTX_end(ctx);
+ BN_CTX_end(ctx);
BN_CTX_free(new_ctx);
return ret;
}
diff --git a/crypto/ec/ec_mult.c b/crypto/ec/ec_mult.c
index c76c528048..755d64400a 100644
--- a/crypto/ec/ec_mult.c
+++ b/crypto/ec/ec_mult.c
@@ -948,8 +948,7 @@ int ec_wNAF_precompute_mult(EC_GROUP *group, BN_CTX *ctx)
ret = 1;
err:
- if (ctx != NULL)
- BN_CTX_end(ctx);
+ BN_CTX_end(ctx);
BN_CTX_free(new_ctx);
EC_ec_pre_comp_free(pre_comp);
if (points) {
diff --git a/crypto/ec/ecdh_ossl.c b/crypto/ec/ecdh_ossl.c
index b63cab9d91..61789f4f0c 100644
--- a/crypto/ec/ecdh_ossl.c
+++ b/crypto/ec/ecdh_ossl.c
@@ -113,8 +113,7 @@ int ecdh_simple_compute_key(unsigned char **pout, size_t *poutlen,
err:
EC_POINT_clear_free(tmp);
- if (ctx)
- BN_CTX_end(ctx);
+ BN_CTX_end(ctx);
BN_CTX_free(ctx);
OPENSSL_free(buf);
return ret;
diff --git a/crypto/ec/ecp_nistz256.c b/crypto/ec/ecp_nistz256.c
index c0772ca2fe..6a64bc4f2a 100644
--- a/crypto/ec/ecp_nistz256.c
+++ b/crypto/ec/ecp_nistz256.c
@@ -888,8 +888,7 @@ __owur static int ecp_nistz256_mult_precompute(EC_GROUP *group, BN_CTX *ctx)
ret = 1;
err:
- if (ctx != NULL)
- BN_CTX_end(ctx);
+ BN_CTX_end(ctx);
BN_CTX_free(new_ctx);
EC_nistz256_pre_comp_free(pre_comp);
diff --git a/crypto/ec/ecp_smpl.c b/crypto/ec/ecp_smpl.c
index f80f98a169..2fd2ce46ea 100644
--- a/crypto/ec/ecp_smpl.c
+++ b/crypto/ec/ecp_smpl.c
@@ -307,8 +307,7 @@ int ec_GFp_simple_group_check_discriminant(const EC_GROUP *group, BN_CTX *ctx)
ret = 1;
err:
- if (ctx != NULL)
- BN_CTX_end(ctx);
+ BN_CTX_end(ctx);
BN_CTX_free(new_ctx);
return ret;
}
@@ -787,8 +786,7 @@ int ec_GFp_simple_add(const EC_GROUP *group, EC_POINT *r, const EC_POINT *a,
ret = 1;
end:
- if (ctx) /* otherwise we already called BN_CTX_end */
- BN_CTX_end(ctx);
+ BN_CTX_end(ctx);
BN_CTX_free(new_ctx);
return ret;
}