Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6: (60 commits)
  uio: make uio_info's name and version const
  UIO: Documentation for UIO ioport info handling
  UIO: Pass information about ioports to userspace (V2)
  UIO: uio_pdrv_genirq: allow custom irq_flags
  UIO: use pci_ioremap_bar() in drivers/uio
  arm: struct device - replace bus_id with dev_name(), dev_set_name()
  libata: struct device - replace bus_id with dev_name(), dev_set_name()
  avr: struct device - replace bus_id with dev_name(), dev_set_name()
  block: struct device - replace bus_id with dev_name(), dev_set_name()
  chris: struct device - replace bus_id with dev_name(), dev_set_name()
  dmi: struct device - replace bus_id with dev_name(), dev_set_name()
  gadget: struct device - replace bus_id with dev_name(), dev_set_name()
  gpio: struct device - replace bus_id with dev_name(), dev_set_name()
  gpu: struct device - replace bus_id with dev_name(), dev_set_name()
  hwmon: struct device - replace bus_id with dev_name(), dev_set_name()
  i2o: struct device - replace bus_id with dev_name(), dev_set_name()
  IA64: struct device - replace bus_id with dev_name(), dev_set_name()
  i7300_idle: struct device - replace bus_id with dev_name(), dev_set_name()
  infiniband: struct device - replace bus_id with dev_name(), dev_set_name()
  ISDN: struct device - replace bus_id with dev_name(), dev_set_name()
  ...

4 files changed, 72 insertions, 39 deletions

diff --git a/lib/dynamic_printk.c b/lib/dynamic_printk.c
index 8e30295..165a197 100644
--- a/lib/dynamic_printk.c
+++ b/lib/dynamic_printk.c
@@ -277,40 +277,34 @@ static ssize_t pr_debug_write(struct file *file, const char __user *buf,
 				dynamic_enabled = DYNAMIC_ENABLED_NONE;
 			}
 			err = 0;
-		} else {
-			if (elem) {
-				if (value && (elem->enable == 0)) {
-					dynamic_printk_enabled |=
-							(1LL << elem->hash1);
-					dynamic_printk_enabled2 |=
-							(1LL << elem->hash2);
-					elem->enable = 1;
-					num_enabled++;
-					dynamic_enabled = DYNAMIC_ENABLED_SOME;
-					err = 0;
-					printk(KERN_DEBUG
-					       "debugging enabled for module %s\n",
-					       elem->name);
-				} else if (!value && (elem->enable == 1)) {
-					elem->enable = 0;
-					num_enabled--;
-					if (disabled_hash(elem->hash1, true))
-						dynamic_printk_enabled &=
+		} else if (elem) {
+			if (value && (elem->enable == 0)) {
+				dynamic_printk_enabled |= (1LL << elem->hash1);
+				dynamic_printk_enabled2 |= (1LL << elem->hash2);
+				elem->enable = 1;
+				num_enabled++;
+				dynamic_enabled = DYNAMIC_ENABLED_SOME;
+				err = 0;
+				printk(KERN_DEBUG
+					"debugging enabled for module %s\n",
+					elem->name);
+			} else if (!value && (elem->enable == 1)) {
+				elem->enable = 0;
+				num_enabled--;
+				if (disabled_hash(elem->hash1, true))
+					dynamic_printk_enabled &=
 							~(1LL << elem->hash1);
-					if (disabled_hash(elem->hash2, false))
-						dynamic_printk_enabled2 &=
+				if (disabled_hash(elem->hash2, false))
+					dynamic_printk_enabled2 &=
 							~(1LL << elem->hash2);
-					if (num_enabled)
-						dynamic_enabled =
-							DYNAMIC_ENABLED_SOME;
-					else
-						dynamic_enabled =
-							DYNAMIC_ENABLED_NONE;
-					err = 0;
-					printk(KERN_DEBUG
-					       "debugging disabled for module "
-					       "%s\n", elem->name);
-				}
+				if (num_enabled)
+					dynamic_enabled = DYNAMIC_ENABLED_SOME;
+				else
+					dynamic_enabled = DYNAMIC_ENABLED_NONE;
+				err = 0;
+				printk(KERN_DEBUG
+					"debugging disabled for module %s\n",
+					elem->name);
 			}
 		}
 	}
diff --git a/lib/klist.c b/lib/klist.c
index bbdd301..573d606 100644
--- a/lib/klist.c
+++ b/lib/klist.c
@@ -36,6 +36,7 @@
 
 #include <linux/klist.h>
 #include <linux/module.h>
+#include <linux/sched.h>
 
 /*
  * Use the lowest bit of n_klist to mark deleted nodes and exclude
@@ -108,7 +109,6 @@ static void add_tail(struct klist *k, struct klist_node *n)
 static void klist_node_init(struct klist *k, struct klist_node *n)
 {
 	INIT_LIST_HEAD(&n->n_node);
-	init_completion(&n->n_removed);
 	kref_init(&n->n_ref);
 	knode_set_klist(n, k);
 	if (k->get)
@@ -171,13 +171,34 @@ void klist_add_before(struct klist_node *n, struct klist_node *pos)
 }
 EXPORT_SYMBOL_GPL(klist_add_before);
 
+struct klist_waiter {
+	struct list_head list;
+	struct klist_node *node;
+	struct task_struct *process;
+	int woken;
+};
+
+static DEFINE_SPINLOCK(klist_remove_lock);
+static LIST_HEAD(klist_remove_waiters);
+
 static void klist_release(struct kref *kref)
 {
+	struct klist_waiter *waiter, *tmp;
 	struct klist_node *n = container_of(kref, struct klist_node, n_ref);
 
 	WARN_ON(!knode_dead(n));
 	list_del(&n->n_node);
-	complete(&n->n_removed);
+	spin_lock(&klist_remove_lock);
+	list_for_each_entry_safe(waiter, tmp, &klist_remove_waiters, list) {
+		if (waiter->node != n)
+			continue;
+
+		waiter->woken = 1;
+		mb();
+		wake_up_process(waiter->process);
+		list_del(&waiter->list);
+	}
+	spin_unlock(&klist_remove_lock);
 	knode_set_klist(n, NULL);
 }
 
@@ -217,8 +238,24 @@ EXPORT_SYMBOL_GPL(klist_del);
  */
 void klist_remove(struct klist_node *n)
 {
+	struct klist_waiter waiter;
+
+	waiter.node = n;
+	waiter.process = current;
+	waiter.woken = 0;
+	spin_lock(&klist_remove_lock);
+	list_add(&waiter.list, &klist_remove_waiters);
+	spin_unlock(&klist_remove_lock);
+
 	klist_del(n);
-	wait_for_completion(&n->n_removed);
+
+	for (;;) {
+		set_current_state(TASK_UNINTERRUPTIBLE);
+		if (waiter.woken)
+			break;
+		schedule();
+	}
+	__set_current_state(TASK_RUNNING);
 }
 EXPORT_SYMBOL_GPL(klist_remove);
 
diff --git a/lib/kobject_uevent.c b/lib/kobject_uevent.c
index 3f91472..318328dd 100644
--- a/lib/kobject_uevent.c
+++ b/lib/kobject_uevent.c
@@ -165,7 +165,7 @@ int kobject_uevent_env(struct kobject *kobj, enum kobject_action action,
 	/* keys passed in from the caller */
 	if (envp_ext) {
 		for (i = 0; envp_ext[i]; i++) {
-			retval = add_uevent_var(env, envp_ext[i]);
+			retval = add_uevent_var(env, "%s", envp_ext[i]);
 			if (retval)
 				goto exit;
 		}
@@ -225,8 +225,10 @@ int kobject_uevent_env(struct kobject *kobj, enum kobject_action action,
 			}
 
 			NETLINK_CB(skb).dst_group = 1;
-			netlink_broadcast(uevent_sock, skb, 0, 1, GFP_KERNEL);
-		}
+			retval = netlink_broadcast(uevent_sock, skb, 0, 1,
+						   GFP_KERNEL);
+		} else
+			retval = -ENOMEM;
 	}
 #endif
 
diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index 7f5e21b..c2a4e64 100644
--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -647,7 +647,7 @@ swiotlb_full(struct device *dev, size_t size, int dir, int do_panic)
 	 * the damage, or panic when the transfer is too big.
 	 */
 	printk(KERN_ERR "DMA: Out of SW-IOMMU space for %zu bytes at "
-	       "device %s\n", size, dev ? dev->bus_id : "?");
+	       "device %s\n", size, dev ? dev_name(dev) : "?");
 
 	if (size > io_tlb_overflow && do_panic) {
 		if (dir == DMA_FROM_DEVICE || dir == DMA_BIDIRECTIONAL)