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free NULL cleanup

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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>
This commit is contained in:
Rich Salz
2015-03-24 10:17:37 -04:00
parent 1300705a47
commit d64070838e
34 changed files with 58 additions and 108 deletions
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12
ssl/ssl_cert.c
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@@ -443,12 +443,10 @@ void ssl_cert_free(CERT *c)
#endif
#ifndef OPENSSL_NO_RSA
if (c->rsa_tmp)
RSA_free(c->rsa_tmp);
RSA_free(c->rsa_tmp);
#endif
#ifndef OPENSSL_NO_DH
if (c->dh_tmp)
DH_free(c->dh_tmp);
DH_free(c->dh_tmp);
#endif
#ifndef OPENSSL_NO_EC
if (c->ecdh_tmp)
@@ -651,12 +649,10 @@ void ssl_sess_cert_free(SESS_CERT *sc)
}
#ifndef OPENSSL_NO_RSA
if (sc->peer_rsa_tmp != NULL)
RSA_free(sc->peer_rsa_tmp);
RSA_free(sc->peer_rsa_tmp);
#endif
#ifndef OPENSSL_NO_DH
if (sc->peer_dh_tmp != NULL)
DH_free(sc->peer_dh_tmp);
DH_free(sc->peer_dh_tmp);
#endif
#ifndef OPENSSL_NO_EC
if (sc->peer_ecdh_tmp != NULL)