Only free if it ain't NULL.

diff --git a/CHANGES b/CHANGES
index 36064507e87f686e69d563a5aca3857eabd92d86..b2e31d6cf417e04fbc125a64bb8818e445c83202 100644 (file)
--- a/CHANGES
+++ b/CHANGES
@@ -5,6 +5,9 @@
 
  Changes between 0.9.1c and 0.9.2
 
+  *) rsa_eay.c would attempt to free a NULL context.
+     [Arne Ansper <arne@ats.cyber.ee>]
+
   *) BIO_s_socket() had a broken should_retry() on Windoze.
      [Arne Ansper <arne@ats.cyber.ee>]
 

diff --git a/crypto/rsa/rsa_eay.c b/crypto/rsa/rsa_eay.c
index b4050506c3680823711030c1b22664907740b9df..ec143e873bbfa97626063fdfe8114d7a2b5b7b2f 100644 (file)
--- a/crypto/rsa/rsa_eay.c
+++ b/crypto/rsa/rsa_eay.c
@@ -474,7 +474,8 @@ RSA *rsa;
 err:
        BN_clear_free(&m1);
        BN_clear_free(&r1);
-       BN_CTX_free(ctx);
+       if(ctx)
+           BN_CTX_free(ctx);
        return(ret);
        }
 

diff --git a/crypto/rsa/rsa_enc.c b/crypto/rsa/rsa_enc.c
index c4a4ad5a605c81267b9c8560c2e651b181cd3efc..5f91239da55a055c75ec81a9cbf39888a31153c7 100644 (file)
--- a/crypto/rsa/rsa_enc.c
+++ b/crypto/rsa/rsa_enc.c
@@ -531,7 +531,8 @@ RSA *rsa;
 err:
        if (m1 != NULL) BN_free(m1);
        if (r1 != NULL) BN_free(r1);
-       BN_CTX_free(ctx);
+       if(ctx != NULL)
+           BN_CTX_free(ctx);
        return(ret);
        }