xen-netback: use correct index for invalidation in xen_netbk_tx_check_gop()

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Cc: stable@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
index 0cb594c86090fa7c25f3578132528f5f616aef26..1ae270eed51a64a5ce167da54264f5b41cf55e57 100644 (file)
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -1021,7 +1021,7 @@ static int xen_netbk_tx_check_gop(struct xen_netbk *netbk,
                pending_idx = *((u16 *)skb->data);
                xen_netbk_idx_release(netbk, pending_idx);
                for (j = start; j < i; j++) {
-                       pending_idx = frag_get_pending_idx(&shinfo->frags[i]);
+                       pending_idx = frag_get_pending_idx(&shinfo->frags[j]);
                        xen_netbk_idx_release(netbk, pending_idx);
                }