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Subject[PATCH net-next] net: fec: remove last_bdp from fec_enet_txq_xmit_frame()
Date
From: Wei Fang <wei.fang@nxp.com>

Actually, the last_bdp is useless in fec_enet_txq_xmit_frame(),
so remove it.

Signed-off-by: Wei Fang <wei.fang@nxp.com>
---
drivers/net/ethernet/freescale/fec_main.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index 3ecf20ee5851..26fb00e0590b 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -3770,7 +3770,7 @@ static int fec_enet_txq_xmit_frame(struct fec_enet_private *fep,
struct xdp_frame *frame)
{
unsigned int index, status, estatus;
- struct bufdesc *bdp, *last_bdp;
+ struct bufdesc *bdp;
dma_addr_t dma_addr;
int entries_free;

@@ -3782,7 +3782,6 @@ static int fec_enet_txq_xmit_frame(struct fec_enet_private *fep,

/* Fill in a Tx ring entry */
bdp = txq->bd.cur;
- last_bdp = bdp;
status = fec16_to_cpu(bdp->cbd_sc);
status &= ~BD_ENET_TX_STATS;

@@ -3810,7 +3809,6 @@ static int fec_enet_txq_xmit_frame(struct fec_enet_private *fep,
ebdp->cbd_esc = cpu_to_fec32(estatus);
}

- index = fec_enet_get_bd_index(last_bdp, &txq->bd);
txq->tx_skbuff[index] = NULL;

/* Send it on its way. Tell FEC it's ready, interrupt when done,
@@ -3820,7 +3818,7 @@ static int fec_enet_txq_xmit_frame(struct fec_enet_private *fep,
bdp->cbd_sc = cpu_to_fec16(status);

/* If this was the last BD in the ring, start at the beginning again. */
- bdp = fec_enet_get_nextdesc(last_bdp, &txq->bd);
+ bdp = fec_enet_get_nextdesc(bdp, &txq->bd);

txq->bd.cur = bdp;

--
2.25.1
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