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xen-netback: remove redundent parameter in netbk_count_requests 

Tracking down from the caller, first_idx is always equal to vif->tx.req_cons.
Remove it to avoid confusion.

Suggested-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Wei Liu 2013-05-02 00:43:57 +00:00 committed by David S. Miller
parent c2bba3dfc1
commit ac69c26e7a
1 changed files with 2 additions and 4 deletions
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6
drivers/net/xen-netback/netback.c
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@ -928,7 +928,6 @@ static void netbk_fatal_tx_err(struct xenvif *vif)
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 xenvif *vif,
} 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;
}
@ -1470,8 +1469,7 @@ static unsigned xen_netbk_tx_build_gops(struct xen_netbk *netbk)
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;