net: remove useless comments in net/core/dev.c

The code itself can explain what it is doing, no need these comments.

Signed-off-by: WANG Cong <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 0 insertions, 54 deletions

diff --git a/net/core/dev.c b/net/core/dev.c
index f453370131a..9b23dcefae6 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1140,9 +1140,6 @@ static int __dev_open(struct net_device *dev)
 
         ASSERT_RTNL();
 
-        /*
-         *      Is it even present?
-         */
         if (!netif_device_present(dev))
                 return -ENODEV;
 
@@ -1151,9 +1148,6 @@ static int __dev_open(struct net_device *dev)
         if (ret)
                 return ret;
 
-        /*
-         *      Call device private open method
-         */
         set_bit(__LINK_STATE_START, &dev->state);
 
         if (ops->ndo_validate_addr)
@@ -1162,31 +1156,12 @@ static int __dev_open(struct net_device *dev)
         if (!ret && ops->ndo_open)
                 ret = ops->ndo_open(dev);
 
-        /*
-         *      If it went open OK then:
-         */
-
         if (ret)
                 clear_bit(__LINK_STATE_START, &dev->state);
         else {
-                /*
-                 *      Set the flags.
-                 */
                 dev->flags |= IFF_UP;
-
-                /*
-                 *      Enable NET_DMA
-                 */
                 net_dmaengine_get();
-
-                /*
-                 *      Initialize multicasting status
-                 */
                 dev_set_rx_mode(dev);
-
-                /*
-                 *      Wakeup transmit queue engine
-                 */
                 dev_activate(dev);
         }
 
@@ -1209,22 +1184,13 @@ int dev_open(struct net_device *dev)
 {
         int ret;
 
-        /*
-         *      Is it already up?
-         */
         if (dev->flags & IFF_UP)
                 return 0;
 
-        /*
-         *      Open device
-         */
         ret = __dev_open(dev);
         if (ret < 0)
                 return ret;
 
-        /*
-         *      ... and announce new interface.
-         */
         rtmsg_ifinfo(RTM_NEWLINK, dev, IFF_UP|IFF_RUNNING);
         call_netdevice_notifiers(NETDEV_UP, dev);
 
@@ -1240,10 +1206,6 @@ static int __dev_close_many(struct list_head *head)
         might_sleep();
 
         list_for_each_entry(dev, head, unreg_list) {
-                /*
-                 *      Tell people we are going down, so that they can
-                 *      prepare to death, when device is still operating.
-                 */
                 call_netdevice_notifiers(NETDEV_GOING_DOWN, dev);
 
                 clear_bit(__LINK_STATE_START, &dev->state);
@@ -1272,15 +1234,7 @@ static int __dev_close_many(struct list_head *head)
                 if (ops->ndo_stop)
                         ops->ndo_stop(dev);
 
-                /*
-                 *      Device is now down.
-                 */
-
                 dev->flags &= ~IFF_UP;
-
-                /*
-                 *      Shutdown NET_DMA
-                 */
                 net_dmaengine_put();
         }
 
@@ -1309,9 +1263,6 @@ static int dev_close_many(struct list_head *head)
 
         __dev_close_many(head);
 
-        /*
-         * Tell people we are down
-         */
         list_for_each_entry(dev, head, unreg_list) {
                 rtmsg_ifinfo(RTM_NEWLINK, dev, IFF_UP|IFF_RUNNING);
                 call_netdevice_notifiers(NETDEV_DOWN, dev);
@@ -1371,11 +1322,6 @@ EXPORT_SYMBOL(dev_disable_lro);
 
 static int dev_boot_phase = 1;
 
-/*
- *      Device change register/unregister. These are not inline or static
- *      as we export them to the world.
- */
-
 /**
  *      register_netdevice_notifier - register a network notifier block
  *      @nb: notifier