mirror of https://gitee.com/openkylin/linux.git
sky2: use debugfs rename
Use debugfs rename to handle device neame changes. Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
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@ -3841,42 +3841,34 @@ static int sky2_device_event(struct notifier_block *unused,
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unsigned long event, void *ptr)
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{
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struct net_device *dev = ptr;
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struct sky2_port *sky2 = netdev_priv(dev);
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if (dev->open == sky2_up) {
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struct sky2_port *sky2 = netdev_priv(dev);
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if (dev->open != sky2_up || !sky2_debug)
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return NOTIFY_DONE;
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switch(event) {
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case NETDEV_CHANGENAME:
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if (!netif_running(dev))
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break;
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/* fallthrough */
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case NETDEV_DOWN:
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case NETDEV_GOING_DOWN:
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if (sky2->debugfs) {
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printk(KERN_DEBUG PFX "%s: remove debugfs\n",
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dev->name);
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debugfs_remove(sky2->debugfs);
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sky2->debugfs = NULL;
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}
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if (event != NETDEV_CHANGENAME)
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break;
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/* fallthrough for changename */
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case NETDEV_UP:
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if (sky2_debug) {
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struct dentry *d;
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d = debugfs_create_file(dev->name, S_IRUGO,
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sky2_debug, dev,
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&sky2_debug_fops);
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if (d == NULL || IS_ERR(d))
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printk(KERN_INFO PFX
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"%s: debugfs create failed\n",
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dev->name);
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else
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sky2->debugfs = d;
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}
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break;
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switch(event) {
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case NETDEV_CHANGENAME:
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if (sky2->debugfs) {
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sky2->debugfs = debugfs_rename(sky2_debug, sky2->debugfs,
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sky2_debug, dev->name);
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}
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break;
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case NETDEV_GOING_DOWN:
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if (sky2->debugfs) {
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printk(KERN_DEBUG PFX "%s: remove debugfs\n",
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dev->name);
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debugfs_remove(sky2->debugfs);
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sky2->debugfs = NULL;
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}
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break;
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case NETDEV_UP:
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sky2->debugfs = debugfs_create_file(dev->name, S_IRUGO,
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sky2_debug, dev,
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&sky2_debug_fops);
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if (IS_ERR(sky2->debugfs))
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sky2->debugfs = NULL;
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}
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return NOTIFY_DONE;
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