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authorIan Campbell <Ian.Campbell@citrix.com>2013-02-06 23:41:38 +0000
committerBen Hutchings <ben@decadent.org.uk>2013-02-20 03:15:37 +0000
commitadecb7c418057a934b327c1177d738e17f0cf98a (patch)
treeba49150d4e4ed302835806b044d6127a32c2bf44
parent79d2fa0811ed0dadeb745daa0067eb672ec12fb7 (diff)
downloadlwn-adecb7c418057a934b327c1177d738e17f0cf98a.tar.gz
lwn-adecb7c418057a934b327c1177d738e17f0cf98a.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: Ben Hutchings <ben@decadent.org.uk>
-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 a14b3a2a2f1d..b802bb31213c 100644
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -852,7 +852,7 @@ 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);