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ch_ktls: Remove redundant variable result

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Variable result is being assigned a value from a calculation
however the variable is never read, so this redundant variable
can be removed.

Cleans up the following clang-analyzer warning:

drivers/net/ethernet/chelsio/inline_crypto/ch_ktls/chcr_ktls.c:1488:2:
warning: Value stored to 'pos' is never read
[clang-analyzer-deadcode.DeadStores].

drivers/net/ethernet/chelsio/inline_crypto/ch_ktls/chcr_ktls.c:876:3:
warning: Value stored to 'pos' is never read
[clang-analyzer-deadcode.DeadStores].

drivers/net/ethernet/chelsio/inline_crypto/ch_ktls/chcr_ktls.c:36:3:
warning: Value stored to 'start' is never read
[clang-analyzer-deadcode.DeadStores].

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiapeng Chong 2021-04-23 17:52:23 +08:00 committed by David S. Miller
parent 5f6c2f536d
commit bf7d20cd51
1 changed files with 4 additions and 6 deletions
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10
drivers/net/ethernet/chelsio/inline_crypto/ch_ktls/chcr_ktls.c
View File

@ -33,7 +33,6 @@ static int chcr_get_nfrags_to_send(struct sk_buff *skb, u32 start, u32 len)
if (unlikely(start < skb_linear_data_len)) {
frag_size = min(len, skb_linear_data_len - start);
start = 0;
} else {
start -= skb_linear_data_len;
@ -873,10 +872,10 @@ static int chcr_ktls_xmit_tcb_cpls(struct chcr_ktls_info *tx_info,
}
/* update receive window */
if (first_wr || tx_info->prev_win != tcp_win) {
pos = chcr_write_cpl_set_tcb_ulp(tx_info, q, tx_info->tid, pos,
TCB_RCV_WND_W,
TCB_RCV_WND_V(TCB_RCV_WND_M),
TCB_RCV_WND_V(tcp_win), 0);
chcr_write_cpl_set_tcb_ulp(tx_info, q, tx_info->tid, pos,
TCB_RCV_WND_W,
TCB_RCV_WND_V(TCB_RCV_WND_M),
TCB_RCV_WND_V(tcp_win), 0);
tx_info->prev_win = tcp_win;
cpl++;
}
@ -1485,7 +1484,6 @@ static int chcr_ktls_tx_plaintxt(struct chcr_ktls_info *tx_info,
wr->op_to_compl = htonl(FW_WR_OP_V(FW_ULPTX_WR));
wr->flowid_len16 = htonl(wr_mid | FW_WR_LEN16_V(len16));
wr->cookie = 0;
pos += sizeof(*wr);
/* ULP_TXPKT */
ulptx = (struct ulp_txpkt *)(wr + 1);
ulptx->cmd_dest = htonl(ULPTX_CMD_V(ULP_TX_PKT) |