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authorRich Salz <rsalz@akamai.com>2015-03-24 10:17:37 -0400
committerRich Salz <rsalz@akamai.com>2015-03-24 23:17:16 -0400
commitd64070838ebba86f00fb3755df5d3e65106e1628 (patch)
treedef90b3063d9ebe0f53920604d02b9786216e327 /crypto/dh
parent1300705a47b9c9498b15a384c6c5348adc342e2c (diff)
free NULL cleanup
Start ensuring all OpenSSL "free" routines allow NULL, and remove any if check before calling them. This gets DH_free, DSA_free, RSA_free Reviewed-by: Matt Caswell <matt@openssl.org>
Diffstat (limited to 'crypto/dh')
-rw-r--r--crypto/dh/dh_ameth.c6
-rw-r--r--crypto/dh/dh_asn1.c3
-rw-r--r--crypto/dh/dh_lib.c1
-rw-r--r--crypto/dh/dhtest.c6
4 files changed, 6 insertions, 10 deletions
diff --git a/crypto/dh/dh_ameth.c b/crypto/dh/dh_ameth.c
index 17027c544f..c71538fa15 100644
--- a/crypto/dh/dh_ameth.c
+++ b/crypto/dh/dh_ameth.c
@@ -142,8 +142,7 @@ static int dh_pub_decode(EVP_PKEY *pkey, X509_PUBKEY *pubkey)
err:
if (public_key)
ASN1_INTEGER_free(public_key);
- if (dh)
- DH_free(dh);
+ DH_free(dh);
return 0;
}
@@ -711,8 +710,7 @@ static int dh_cms_set_peerkey(EVP_PKEY_CTX *pctx,
ASN1_INTEGER_free(public_key);
if (pkpeer)
EVP_PKEY_free(pkpeer);
- if (dhpeer)
- DH_free(dhpeer);
+ DH_free(dhpeer);
return rv;
}
diff --git a/crypto/dh/dh_asn1.c b/crypto/dh/dh_asn1.c
index f470214399..7066cafce6 100644
--- a/crypto/dh/dh_asn1.c
+++ b/crypto/dh/dh_asn1.c
@@ -142,8 +142,7 @@ DH *d2i_DHxparams(DH **a, const unsigned char **pp, long length)
}
if (a) {
- if (*a)
- DH_free(*a);
+ DH_free(*a);
*a = dh;
}
diff --git a/crypto/dh/dh_lib.c b/crypto/dh/dh_lib.c
index 46d1a2b7b9..4f07a277ea 100644
--- a/crypto/dh/dh_lib.c
+++ b/crypto/dh/dh_lib.c
@@ -170,6 +170,7 @@ DH *DH_new_method(ENGINE *engine)
void DH_free(DH *r)
{
int i;
+
if (r == NULL)
return;
i = CRYPTO_add(&r->references, -1, CRYPTO_LOCK_DH);
diff --git a/crypto/dh/dhtest.c b/crypto/dh/dhtest.c
index 9bb9a00212..6c063daf3d 100644
--- a/crypto/dh/dhtest.c
+++ b/crypto/dh/dhtest.c
@@ -199,10 +199,8 @@ int main(int argc, char *argv[])
OPENSSL_free(abuf);
if (bbuf != NULL)
OPENSSL_free(bbuf);
- if (b != NULL)
- DH_free(b);
- if (a != NULL)
- DH_free(a);
+ DH_free(b);
+ DH_free(a);
if (_cb)
BN_GENCB_free(_cb);
BIO_free(out);