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authorIan Campbell <Ian.Campbell@citrix.com>2013-02-06 23:41:38 +0000
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-02-14 10:47:45 -0800
commit7406f4230c4d086793cc62fa657750abf98559d6 (patch)
tree336e02ba361303bfb8d47bae00467997452d2676
parent1d08d86d53d881952af35f841d8cf5ff23f726d9 (diff)
netback: correct netbk_tx_err to handle wrap around.
[ Upstream commit b9149729ebdcfce63f853aa54a404c6a8f6ebbf3 ] Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Acked-by: Jan Beulich <JBeulich@suse.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/net/xen-netback/netback.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
index 40e8a33c28cd..9068d32d2d5c 100644
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -839,7 +839,7 @@ static void netbk_tx_err(struct xenvif *vif,
do {
make_tx_response(vif, txp, XEN_NETIF_RSP_ERROR);
- if (cons >= end)
+ if (cons == end)
break;
txp = RING_GET_REQUEST(&vif->tx, cons++);
} while (1);