From 723d5e5b81c9740ca98401105a084e55789792f7 Mon Sep 17 00:00:00 2001 From: Zheng zengkai Date: Mon, 23 Mar 2020 14:51:16 +0800 Subject: [PATCH] net: thunderx: remove set but not used variable 'tail' Fixes gcc '-Wunused-but-set-variable' warning: drivers/net/ethernet/cavium/thunder/nicvf_queues.c: In function nicvf_sq_free_used_descs: drivers/net/ethernet/cavium/thunder/nicvf_queues.c:1182:12: warning: variable tail set but not used [-Wunused-but-set-variable] It's not used since commit 4863dea3fab01("net: Adding support for Cavium ThunderX network controller"), so remove it. Reported-by: Hulk Robot Signed-off-by: Zheng zengkai Signed-off-by: David S. Miller --- drivers/net/ethernet/cavium/thunder/nicvf_queues.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c index 4ab57d33a87e..069e7413f1ef 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c +++ b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c @@ -1179,13 +1179,12 @@ void nicvf_sq_disable(struct nicvf *nic, int qidx) void nicvf_sq_free_used_descs(struct net_device *netdev, struct snd_queue *sq, int qidx) { - u64 head, tail; + u64 head; struct sk_buff *skb; struct nicvf *nic = netdev_priv(netdev); struct sq_hdr_subdesc *hdr; head = nicvf_queue_reg_read(nic, NIC_QSET_SQ_0_7_HEAD, qidx) >> 4; - tail = nicvf_queue_reg_read(nic, NIC_QSET_SQ_0_7_TAIL, qidx) >> 4; while (sq->head != head) { hdr = (struct sq_hdr_subdesc *)GET_SQ_DESC(sq, sq->head); if (hdr->subdesc_type != SQ_DESC_TYPE_HEADER) {