e_aes.c: prevent potential DoS in aes_gcm_tls_cipher.

[openssl.git] / crypto / bio / bio_lib.c

diff --git a/crypto/bio/bio_lib.c b/crypto/bio/bio_lib.c
index 3f52ae953c2946b88e6d04c360aa52a4c2b631f7..e12bc3a2ca43a2081f04d964fa7618fe81aedb70 100644 (file)
--- a/crypto/bio/bio_lib.c
+++ b/crypto/bio/bio_lib.c
@@ -110,7 +110,7 @@ int BIO_set(BIO *bio, BIO_METHOD *method)
 
 int BIO_free(BIO *a)
        {
-       int ret=0,i;
+       int i;
 
        if (a == NULL) return(0);
 
@@ -133,7 +133,7 @@ int BIO_free(BIO *a)
        CRYPTO_free_ex_data(CRYPTO_EX_INDEX_BIO, a, &a->ex_data);
 
        if ((a->method == NULL) || (a->method->destroy == NULL)) return(1);
-       ret=a->method->destroy(a);
+       a->method->destroy(a);
        OPENSSL_free(a);
        return(1);
        }
@@ -429,7 +429,7 @@ BIO *BIO_push(BIO *b, BIO *bio)
        if (bio != NULL)
                bio->prev_bio=lb;
        /* called to do internal processing */
-       BIO_ctrl(b,BIO_CTRL_PUSH,0,NULL);
+       BIO_ctrl(b,BIO_CTRL_PUSH,0,lb);
        return(b);
        }
 
@@ -441,7 +441,7 @@ BIO *BIO_pop(BIO *b)
        if (b == NULL) return(NULL);
        ret=b->next_bio;
 
-       BIO_ctrl(b,BIO_CTRL_POP,0,NULL);
+       BIO_ctrl(b,BIO_CTRL_POP,0,b);
 
        if (b->prev_bio != NULL)
                b->prev_bio->next_bio=b->next_bio;