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authorIngo Molnar <mingo@kernel.org>2017-02-07 08:49:17 +0100
committerIngo Molnar <mingo@kernel.org>2017-02-07 08:49:17 +0100
commit87a8d03266a55f18f31fdb71c28a8dcffe39124d (patch)
treeab337ca060871296a8dc5d47fcd45da9dcb17a3a /drivers/net/xen-netback/interface.c
parentefi/libstub: Preserve .debug sections after absolute relocation check (diff)
parentLinux 4.10-rc7 (diff)
downloadlinux-dev-87a8d03266a55f18f31fdb71c28a8dcffe39124d.tar.xz
linux-dev-87a8d03266a55f18f31fdb71c28a8dcffe39124d.zip
Merge tag 'v4.10-rc7' into efi/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/net/xen-netback/interface.c')
-rw-r--r--drivers/net/xen-netback/interface.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c
index e30ffd29b7e9..579521327b03 100644
--- a/drivers/net/xen-netback/interface.c
+++ b/drivers/net/xen-netback/interface.c
@@ -221,18 +221,18 @@ static struct net_device_stats *xenvif_get_stats(struct net_device *dev)
{
struct xenvif *vif = netdev_priv(dev);
struct xenvif_queue *queue = NULL;
- unsigned int num_queues = vif->num_queues;
unsigned long rx_bytes = 0;
unsigned long rx_packets = 0;
unsigned long tx_bytes = 0;
unsigned long tx_packets = 0;
unsigned int index;
+ spin_lock(&vif->lock);
if (vif->queues == NULL)
goto out;
/* Aggregate tx and rx stats from each queue */
- for (index = 0; index < num_queues; ++index) {
+ for (index = 0; index < vif->num_queues; ++index) {
queue = &vif->queues[index];
rx_bytes += queue->stats.rx_bytes;
rx_packets += queue->stats.rx_packets;
@@ -241,6 +241,8 @@ static struct net_device_stats *xenvif_get_stats(struct net_device *dev)
}
out:
+ spin_unlock(&vif->lock);
+
vif->dev->stats.rx_bytes = rx_bytes;
vif->dev->stats.rx_packets = rx_packets;
vif->dev->stats.tx_bytes = tx_bytes;