Quick edit is deleting my linked CPT. Any ideas on stopping this?

<?php 
function sliced_main_aduit_func( $post_id) {

    ## verify if this is an auto save routine. 
    ## If it is our form has not been submitted, so we dont want to do anything
    if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) return;
    if ( get_post_status( $post_id ) == 'auto-draft' ) return;
    if ( wp_is_post_revision( $post_id ) ) return;

    ## Get the post object 
    $the_post = get_post( $post_id );

    ## If the saved post type is Page, run main audit log function
    if ( $the_post->post_type == 'page' && current_user_can( 'edit_pages' )  ) :

        ## Unhooked to avoid an infinite save loop when Audit is saved
        remove_action('save_post', 'sliced_on_save_audit_trail');

        ## initialise the main array to hold the Audit posts information
        $initialPostInfo = array();

        ## If page already has an audit, apply the Audi_ID to update the correct audit trail 
        if ( $audit_id = get_post_meta( $post_id, 'audit_id', true ) ) :

            $initialPostInfo['ID'] = $audit_id;
            $initialPostInfo['post_content'] = $the_post->post_content . ' > ' . $audit_id;

        else : 

            ## CPT added if audit for page does not already exists, otherwise the Audit_ID is used to update correct audit
            $initialPostInfo['post_type']   = 'sliced_audit_cpt'; // post type to save to
            $initialPostInfo['post_content'] = 'First commit';

        endif;

        ## General Audit post informaiton
        $initialPostInfo['post_title']      = $the_post->post_title; // The title of your post.
        $initialPostInfo['post_status']     = 'publish';

        ## Create the new post and apply the ID to a variable, at the same time
        $newPost = wp_insert_post( $initialPostInfo, true );

        ## If no error was returned from the new post creation, and the newly created audits posts ID as a custom field to the original pages meta  
        if ( !$wp_error ) : 

            update_post_meta( $post_id, 'audit_id', $newPost );

        endif;

        ## re-hook the save post to allow the audit trail to continue on next submission
        add_action('save_post', 'sliced_on_save_audit_trail');      

    endif;

    return $post_id;

}
add_action( 'save_post', 'sliced_main_aduit_func' );
?>