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add some debug messages for device user count
author
Felix Fietkau
<nbd@openwrt.org>
Thu, 12 Jul 2012 21:17:38 +0000
(23:17 +0200)
committer
Felix Fietkau
<nbd@openwrt.org>
Thu, 12 Jul 2012 21:22:24 +0000
(23:22 +0200)
device.c
patch
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diff --git
a/device.c
b/device.c
index
f0361d9
..
bc5bc46
100644
(file)
--- a/
device.c
+++ b/
device.c
@@
-389,6
+389,17
@@
void device_set_present(struct device *dev, bool state)
device_refresh_present(dev);
}
device_refresh_present(dev);
}
+static int device_refcount(struct device *dev)
+{
+ struct list_head *list;
+ int count = 0;
+
+ list_for_each(list, &dev->users)
+ count++;
+
+ return count;
+}
+
void device_add_user(struct device_user *dep, struct device *dev)
{
struct list_head *head;
void device_add_user(struct device_user *dep, struct device *dev)
{
struct list_head *head;
@@
-406,6
+417,7
@@
void device_add_user(struct device_user *dep, struct device *dev)
else
head = &dev->users;
list_add_tail(&dep->list, head);
else
head = &dev->users;
list_add_tail(&dep->list, head);
+ D(DEVICE, "Add user for device '%s', refcount=%d\n", dev->ifname, device_refcount(dev));
if (dep->cb && dev->present) {
dep->cb(dep, DEV_EVENT_ADD);
if (dep->cb && dev->present) {
dep->cb(dep, DEV_EVENT_ADD);
@@
-446,6
+458,7
@@
void device_remove_user(struct device_user *dep)
list_del(&dep->list);
dep->dev = NULL;
list_del(&dep->list);
dep->dev = NULL;
+ D(DEVICE, "Remove user for device '%s', refcount=%d\n", dev->ifname, device_refcount(dev));
__device_free_unused(dev);
}
__device_free_unused(dev);
}