[PATCH] ath6kl: remove redundant variables netlen, orig_buf, orig_len, dropped and stats

From: Colin King
Date: Mon Jul 09 2018 - 09:17:31 EST


From: Colin Ian King <colin.king@xxxxxxxxxxxxx>

Variables netlen, orig_buf, orig_len, dropped and stats are assigned values
but are never used hence they are redundant and can be removed.

Cleans up clang warnings:
warning: variable 'netlen' set but not used [-Wunused-but-set-variable]
warning: variable 'orig_buf' set but not used [-Wunused-but-set-variable]
warning: variable 'orig_len' set but not used [-Wunused-but-set-variable]
warning: variable 'dropped' set but not used [-Wunused-but-set-variable]
warning: variable 'stats' set but not used [-Wunused-but-set-variable]

Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
---
drivers/net/wireless/ath/ath6kl/htc_pipe.c | 10 ++--------
drivers/net/wireless/ath/ath6kl/main.c | 3 +--
drivers/net/wireless/ath/ath6kl/txrx.c | 2 --
3 files changed, 3 insertions(+), 12 deletions(-)

diff --git a/drivers/net/wireless/ath/ath6kl/htc_pipe.c b/drivers/net/wireless/ath/ath6kl/htc_pipe.c
index 546243e11737..434b66829646 100644
--- a/drivers/net/wireless/ath/ath6kl/htc_pipe.c
+++ b/drivers/net/wireless/ath/ath6kl/htc_pipe.c
@@ -746,10 +746,8 @@ static int ath6kl_htc_pipe_tx_complete(struct ath6kl *ar, struct sk_buff *skb)
struct htc_endpoint *ep;
struct htc_packet *packet;
u8 ep_id, *netdata;
- u32 netlen;

netdata = skb->data;
- netlen = skb->len;

htc_hdr = (struct htc_frame_hdr *) netdata;

@@ -855,12 +853,8 @@ static int htc_process_trailer(struct htc_target *target, u8 *buffer,
{
struct htc_credit_report *report;
struct htc_record_hdr *record;
- u8 *record_buf, *orig_buf;
- int orig_len, status;
-
- orig_buf = buffer;
- orig_len = len;
- status = 0;
+ u8 *record_buf;
+ int status = 0;

while (len > 0) {
if (len < sizeof(struct htc_record_hdr)) {
diff --git a/drivers/net/wireless/ath/ath6kl/main.c b/drivers/net/wireless/ath/ath6kl/main.c
index 808fb30be9ad..0c61dbaa62a4 100644
--- a/drivers/net/wireless/ath/ath6kl/main.c
+++ b/drivers/net/wireless/ath/ath6kl/main.c
@@ -272,7 +272,7 @@ int ath6kl_read_fwlogs(struct ath6kl *ar)
{
struct ath6kl_dbglog_hdr debug_hdr;
struct ath6kl_dbglog_buf debug_buf;
- u32 address, length, dropped, firstbuf, debug_hdr_addr;
+ u32 address, length, firstbuf, debug_hdr_addr;
int ret, loop;
u8 *buf;

@@ -303,7 +303,6 @@ int ath6kl_read_fwlogs(struct ath6kl *ar)
address = TARG_VTOP(ar->target_type,
le32_to_cpu(debug_hdr.dbuf_addr));
firstbuf = address;
- dropped = le32_to_cpu(debug_hdr.dropped);
ret = ath6kl_diag_read(ar, address, &debug_buf, sizeof(debug_buf));
if (ret)
goto out;
diff --git a/drivers/net/wireless/ath/ath6kl/txrx.c b/drivers/net/wireless/ath/ath6kl/txrx.c
index 618d12ed4b40..b22ed499f7ba 100644
--- a/drivers/net/wireless/ath/ath6kl/txrx.c
+++ b/drivers/net/wireless/ath/ath6kl/txrx.c
@@ -1701,7 +1701,6 @@ void aggr_recv_addba_req_evt(struct ath6kl_vif *vif, u8 tid_mux, u16 seq_no,
struct ath6kl_sta *sta;
struct aggr_info_conn *aggr_conn = NULL;
struct rxtid *rxtid;
- struct rxtid_stats *stats;
u16 hold_q_size;
u8 tid, aid;

@@ -1722,7 +1721,6 @@ void aggr_recv_addba_req_evt(struct ath6kl_vif *vif, u8 tid_mux, u16 seq_no,
return;

rxtid = &aggr_conn->rx_tid[tid];
- stats = &aggr_conn->stat[tid];

if (win_sz < AGGR_WIN_SZ_MIN || win_sz > AGGR_WIN_SZ_MAX)
ath6kl_dbg(ATH6KL_DBG_WLAN_RX, "%s: win_sz %d, tid %d\n",
--
2.17.1