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authorJakub Kicinski <[email protected]>2021-04-17 17:42:54 +0000
committerJakub Kicinski <[email protected]>2021-04-17 18:08:07 +0000
commit8203c7ce4ef2840929d38b447b4ccd384727f92b (patch)
tree07b4079057e035a4063788f120665f5e42967e8e /drivers/net/xen-netback/xenbus.c
parentMerge branch 'mptcp-fixes-and-tracepoints' (diff)
parentMerge tag 'net-5.12-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/net... (diff)
downloadkernel-8203c7ce4ef2840929d38b447b4ccd384727f92b.tar.gz
kernel-8203c7ce4ef2840929d38b447b4ccd384727f92b.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c - keep the ZC code, drop the code related to reinit net/bridge/netfilter/ebtables.c - fix build after move to net_generic Signed-off-by: Jakub Kicinski <[email protected]>
Diffstat (limited to 'drivers/net/xen-netback/xenbus.c')
-rw-r--r--drivers/net/xen-netback/xenbus.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/net/xen-netback/xenbus.c b/drivers/net/xen-netback/xenbus.c
index a5439c130130..d24b7a7993aa 100644
--- a/drivers/net/xen-netback/xenbus.c
+++ b/drivers/net/xen-netback/xenbus.c
@@ -824,11 +824,15 @@ static void connect(struct backend_info *be)
xenvif_carrier_on(be->vif);
unregister_hotplug_status_watch(be);
- err = xenbus_watch_pathfmt(dev, &be->hotplug_status_watch, NULL,
- hotplug_status_changed,
- "%s/%s", dev->nodename, "hotplug-status");
- if (!err)
+ if (xenbus_exists(XBT_NIL, dev->nodename, "hotplug-status")) {
+ err = xenbus_watch_pathfmt(dev, &be->hotplug_status_watch,
+ NULL, hotplug_status_changed,
+ "%s/%s", dev->nodename,
+ "hotplug-status");
+ if (err)
+ goto err;
be->have_hotplug_status_watch = 1;
+ }
netif_tx_wake_all_queues(be->vif->dev);