net/packet: remove unused parameter in prb_curr_blk_in_use().

This patch removes unused parameter from prb_curr_blk_in_use() method
in net/packet/af_packet.c.
Signed-off-by: Rami Rosen <rami.rosen@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/packet/af_packet.c

@@ -196,8 +196,7 @@ static void *packet_previous_frame(struct packet_sock *po,
 		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 *,
@@ -721,7 +720,7 @@ static void prb_retire_rx_blk_timer_expired(unsigned long data)
 			/* 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.
@@ -972,8 +971,7 @@ static void prb_retire_current_block(struct tpacket_kbdq_core *pkc,
 	}
 }
 
-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);
 }
@@ -1064,7 +1062,7 @@ static void *__packet_lookup_frame_in_block(struct packet_sock *po,
 		 * 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 {