[PATCH] xen-netback: remove unused variables pending_idx and index

Tom Rix
2023-02-26T16:35:17Z

building with gcc and W=1 reports
drivers/net/xen-netback/netback.c:886:21: error: variable
‘pending_idx’ set but not used [-Werror=unused-but-set-variable]
886 | u16 pending_idx;
| ^~~~~~~~~~~

pending_idx is not used so remove it. Since index was only
used to set pending_idx, remove index as well.

Signed-off-by: Tom Rix <trix@redhat.com>
---
drivers/net/xen-netback/netback.c | 5 -----
1 file changed, 5 deletions(-)

diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
index bf627af723bf..1b42676ca141 100644
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -883,11 +883,9 @@ static void xenvif_tx_build_gops(struct xenvif_queue *queue,
struct xen_netif_tx_request txfrags[XEN_NETBK_LEGACY_SLOTS_MAX];
struct xen_netif_extra_info extras[XEN_NETIF_EXTRA_TYPE_MAX-1];
unsigned int extra_count;
- u16 pending_idx;
RING_IDX idx;
int work_to_do;
unsigned int data_len;
- pending_ring_idx_t index;

if (queue->tx.sring->req_prod - queue->tx.req_cons >
XEN_NETIF_TX_RING_SIZE) {
@@ -983,9 +981,6 @@ static void xenvif_tx_build_gops(struct xenvif_queue *queue,
break;
}

- index = pending_index(queue->pending_cons);
- pending_idx = queue->pending_ring[index];
-
if (ret >= XEN_NETBK_LEGACY_SLOTS_MAX - 1 && data_len < txreq.size)
data_len = txreq.size;

--
2.27.0