3.9-stable review patch. If anyone has any objections, please let me know.
------------------
From: Wei Liu <wei.l...@citrix.com>
commit ac69c26e7accb04ae2cb9ab0872068983a42b3c8 upstream.
Tracking down from the caller, first_idx is always equal to vif->tx.req_cons.
Remove it to avoid confusion.
Suggested-by: Jan Beulich <jbeul...@suse.com>
Signed-off-by: Wei Liu <wei.l...@citrix.com>
Acked-by: Ian Campbell <ian.campb...@citrix.com>
Signed-off-by: David S. Miller <da...@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
drivers/net/xen-netback/netback.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -928,7 +928,6 @@ static void netbk_fatal_tx_err(struct xe
static int netbk_count_requests(struct xenvif *vif,
struct xen_netif_tx_request *first,
- RING_IDX first_idx,
struct xen_netif_tx_request *txp,
int work_to_do)
{
@@ -1005,7 +1004,7 @@ static int netbk_count_requests(struct x
} while ((txp++)->flags & XEN_NETTXF_more_data);
if (drop_err) {
- netbk_tx_err(vif, first, first_idx + slots);
+ netbk_tx_err(vif, first, cons + slots);
return drop_err;
}
@@ -1475,8 +1474,7 @@ static unsigned xen_netbk_tx_build_gops(
continue;
}
- ret = netbk_count_requests(vif, &txreq, idx,
- txfrags, work_to_do);
+ ret = netbk_count_requests(vif, &txreq, txfrags, work_to_do);
if (unlikely(ret < 0))
continue;
--
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