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| author | Ian Campbell <Ian.Campbell@citrix.com> | 2013-02-06 23:41:38 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-02-14 10:47:45 -0800 |
| commit | 7406f4230c4d086793cc62fa657750abf98559d6 (patch) | |
| tree | 336e02ba361303bfb8d47bae00467997452d2676 | |
| parent | 1d08d86d53d881952af35f841d8cf5ff23f726d9 (diff) | |
| download | lwn-7406f4230c4d086793cc62fa657750abf98559d6.tar.gz lwn-7406f4230c4d086793cc62fa657750abf98559d6.zip | |
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.c | 2 |
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); |