diff options
| -rw-r--r-- | drivers/net/hyperv/netvsc_drv.c | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index b3fa2cdcb3f6..01de2dcef170 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -838,6 +838,8 @@ static int netvsc_set_channels(struct net_device *net, out: netvsc_open(net); net_device_ctx->start_remove = false; + /* We may have missed link change notifications */ + schedule_delayed_work(&net_device_ctx->dwork, 0); return ret; @@ -946,6 +948,9 @@ out: netvsc_open(ndev); ndevctx->start_remove = false; + /* We may have missed link change notifications */ + schedule_delayed_work(&ndevctx->dwork, 0); + return ret; } @@ -1066,6 +1071,11 @@ static void netvsc_link_change(struct work_struct *w) unsigned long flags, next_reconfig, delay; ndev_ctx = container_of(w, struct net_device_context, dwork.work); + + rtnl_lock(); + if (ndev_ctx->start_remove) + goto out_unlock; + net_device = hv_get_drvdata(ndev_ctx->device_ctx); rdev = net_device->extension; net = net_device->ndev; @@ -1079,7 +1089,7 @@ static void netvsc_link_change(struct work_struct *w) delay = next_reconfig - jiffies; delay = delay < LINKCHANGE_INT ? delay : LINKCHANGE_INT; schedule_delayed_work(&ndev_ctx->dwork, delay); - return; + goto out_unlock; } ndev_ctx->last_reconfig = jiffies; @@ -1093,9 +1103,7 @@ static void netvsc_link_change(struct work_struct *w) spin_unlock_irqrestore(&ndev_ctx->lock, flags); if (!event) - return; - - rtnl_lock(); + goto out_unlock; switch (event->event) { /* Only the following events are possible due to the check in @@ -1144,6 +1152,11 @@ static void netvsc_link_change(struct work_struct *w) */ if (reschedule) schedule_delayed_work(&ndev_ctx->dwork, LINKCHANGE_INT); + + return; + +out_unlock: + rtnl_unlock(); } static void netvsc_free_netdev(struct net_device *netdev) |