[RFC PATCH V2 2/8] netback: add module unload function.
From: Wei Liu <hidden>
Date: 2012-01-17 13:48:07
Also in:
xen-devel
Subsystem:
networking drivers, the rest, xen network backend driver · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds, Wei Liu, Paul Durrant
Enables users to unload netback module. Signed-off-by: Wei Liu <redacted> --- drivers/net/xen-netback/common.h | 1 + drivers/net/xen-netback/netback.c | 14 ++++++++++++++ drivers/net/xen-netback/xenbus.c | 5 +++++ 3 files changed, 20 insertions(+), 0 deletions(-)
diff --git a/drivers/net/xen-netback/common.h b/drivers/net/xen-netback/common.h
index 288b2f3..372c7f5 100644
--- a/drivers/net/xen-netback/common.h
+++ b/drivers/net/xen-netback/common.h@@ -126,6 +126,7 @@ void xenvif_get(struct xenvif *vif); void xenvif_put(struct xenvif *vif); int xenvif_xenbus_init(void); +void xenvif_xenbus_exit(void); int xenvif_schedulable(struct xenvif *vif);
diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
index d11205f..3059684 100644
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c@@ -1670,5 +1670,19 @@ failed_init: module_init(netback_init); +static void __exit netback_exit(void) +{ + int i; + xenvif_xenbus_exit(); + for (i = 0; i < xen_netbk_group_nr; i++) { + struct xen_netbk *netbk = &xen_netbk[i]; + del_timer_sync(&netbk->net_timer); + kthread_stop(netbk->task); + } + vfree(xen_netbk); + page_pool_destroy(); +} +module_exit(netback_exit); + MODULE_LICENSE("Dual BSD/GPL"); MODULE_ALIAS("xen-backend:vif");
diff --git a/drivers/net/xen-netback/xenbus.c b/drivers/net/xen-netback/xenbus.c
index 410018c..65d14f2 100644
--- a/drivers/net/xen-netback/xenbus.c
+++ b/drivers/net/xen-netback/xenbus.c@@ -485,3 +485,8 @@ int xenvif_xenbus_init(void) { return xenbus_register_backend(&netback_driver); } + +void xenvif_xenbus_exit(void) +{ + return xenbus_unregister_driver(&netback_driver); +}
--
1.7.2.5