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);
}
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;