struct packet_ring_buffer *rb,
                int status);
 static void packet_increment_head(struct packet_ring_buffer *buff);
-static int prb_curr_blk_in_use(struct tpacket_kbdq_core *,
-                       struct tpacket_block_desc *);
+static int prb_curr_blk_in_use(struct tpacket_block_desc *);
 static void *prb_dispatch_next_block(struct tpacket_kbdq_core *,
                        struct packet_sock *);
 static void prb_retire_current_block(struct tpacket_kbdq_core *,
                        /* Case 1. Queue was frozen because user-space was
                         *         lagging behind.
                         */
-                       if (prb_curr_blk_in_use(pkc, pbd)) {
+                       if (prb_curr_blk_in_use(pbd)) {
                                /*
                                 * Ok, user-space is still behind.
                                 * So just refresh the timer.
        }
 }
 
-static int prb_curr_blk_in_use(struct tpacket_kbdq_core *pkc,
-                                     struct tpacket_block_desc *pbd)
+static int prb_curr_blk_in_use(struct tpacket_block_desc *pbd)
 {
        return TP_STATUS_USER & BLOCK_STATUS(pbd);
 }
                 * Check if that last block which caused the queue to freeze,
                 * is still in_use by user-space.
                 */
-               if (prb_curr_blk_in_use(pkc, pbd)) {
+               if (prb_curr_blk_in_use(pbd)) {
                        /* Can't record this packet */
                        return NULL;
                } else {