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qlogic: netxen: remove various redundant variables

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Variables consumer, cmd_desc, end_cnt and no_of_desc are being assigned
but are never used hence they are redundant and can be removed.

Cleans up clang warnings:
warning: variable 'consumer' set but not used [-Wunused-but-set-variable]
warning: variable 'cmd_desc' set but not used [-Wunused-but-set-variable]
warning: variable 'end_cnt' set but not used [-Wunused-but-set-variable]
warning: variable 'no_of_desc' set but not used [-Wunused-but-set-variable]

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Colin Ian King 2018-07-04 12:45:53 +01:00 committed by David S. Miller
parent 2e41c380d1
commit 8e15268e3d
2 changed files with 3 additions and 11 deletions
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10
drivers/net/ethernet/qlogic/netxen/netxen_nic_hw.c
View File

@ -566,9 +566,8 @@ static int
netxen_send_cmd_descs(struct netxen_adapter *adapter,
struct cmd_desc_type0 *cmd_desc_arr, int nr_desc)
{
u32 i, producer, consumer;
u32 i, producer;
struct netxen_cmd_buffer *pbuf;
struct cmd_desc_type0 *cmd_desc;
struct nx_host_tx_ring *tx_ring;
i = 0;
@ -580,7 +579,6 @@ netxen_send_cmd_descs(struct netxen_adapter *adapter,
__netif_tx_lock_bh(tx_ring->txq);
producer = tx_ring->producer;
consumer = tx_ring->sw_consumer;
if (nr_desc >= netxen_tx_avail(tx_ring)) {
netif_tx_stop_queue(tx_ring->txq);
@ -595,8 +593,6 @@ netxen_send_cmd_descs(struct netxen_adapter *adapter,
}
do {
cmd_desc = &cmd_desc_arr[i];
pbuf = &tx_ring->cmd_buf_arr[producer];
pbuf->skb = NULL;
pbuf->frag_count = 0;
@ -2350,7 +2346,7 @@ static int netxen_md_entry_err_chk(struct netxen_adapter *adapter,
static int netxen_parse_md_template(struct netxen_adapter *adapter)
{
int num_of_entries, buff_level, e_cnt, esize;
int end_cnt = 0, rv = 0, sane_start = 0, sane_end = 0;
int rv = 0, sane_start = 0, sane_end = 0;
char *dbuff;
void *template_buff = adapter->mdump.md_template;
char *dump_buff = adapter->mdump.md_capture_buff;
@ -2386,8 +2382,6 @@ static int netxen_parse_md_template(struct netxen_adapter *adapter)
break;
case RDEND:
entry->hdr.driver_flags |= NX_DUMP_SKIP;
if (!sane_end)
end_cnt = e_cnt;
sane_end += 1;
break;
case CNTRL:

4
drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c
View File

@ -2073,7 +2073,7 @@ netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
struct skb_frag_struct *frag;
u32 producer;
int frag_count, no_of_desc;
int frag_count;
u32 num_txd = tx_ring->num_desc;
frag_count = skb_shinfo(skb)->nr_frags + 1;
@ -2093,8 +2093,6 @@ netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
frag_count = 1 + skb_shinfo(skb)->nr_frags;
}
/* 4 fragments per cmd des */
no_of_desc = (frag_count + 3) >> 2;
if (unlikely(netxen_tx_avail(tx_ring) <= TX_STOP_THRESH)) {
netif_stop_queue(netdev);