Added NULL check to BN_clear() & BN_CTX_end()

[openssl.git] / crypto / rsa / rsa_ossl.c

diff --git a/crypto/rsa/rsa_ossl.c b/crypto/rsa/rsa_ossl.c
index 5f8f39fab57fd7e10c7378a8c8e718a9e9e6903f..189d3b7a072ce376bc2d0665356117ad0b0c924a 100644 (file)
--- a/crypto/rsa/rsa_ossl.c
+++ b/crypto/rsa/rsa_ossl.c
@@ -148,8 +148,7 @@ static int rsa_ossl_public_encrypt(int flen, const unsigned char *from,
      */
     r = BN_bn2binpad(ret, to, num);
  err:
-    if (ctx != NULL)
-        BN_CTX_end(ctx);
+    BN_CTX_end(ctx);
     BN_CTX_free(ctx);
     OPENSSL_clear_free(buf, num);
     return r;
@@ -354,8 +353,7 @@ static int rsa_ossl_private_encrypt(int flen, const unsigned char *from,
      */
     r = BN_bn2binpad(res, to, num);
  err:
-    if (ctx != NULL)
-        BN_CTX_end(ctx);
+    BN_CTX_end(ctx);
     BN_CTX_free(ctx);
     OPENSSL_clear_free(buf, num);
     return r;
@@ -484,8 +482,7 @@ static int rsa_ossl_private_decrypt(int flen, const unsigned char *from,
     err_clear_last_constant_time(r >= 0);
 
  err:
-    if (ctx != NULL)
-        BN_CTX_end(ctx);
+    BN_CTX_end(ctx);
     BN_CTX_free(ctx);
     OPENSSL_clear_free(buf, num);
     return r;
@@ -581,8 +578,7 @@ static int rsa_ossl_public_decrypt(int flen, const unsigned char *from,
         RSAerr(RSA_F_RSA_OSSL_PUBLIC_DECRYPT, RSA_R_PADDING_CHECK_FAILED);
 
  err:
-    if (ctx != NULL)
-        BN_CTX_end(ctx);
+    BN_CTX_end(ctx);
     BN_CTX_free(ctx);
     OPENSSL_clear_free(buf, num);
     return r;