Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

Conflicts:

	drivers/infiniband/core/iwcm.c
	drivers/net/chelsio/cxgb2.c
	drivers/net/wireless/bcm43xx/bcm43xx_main.c
	drivers/net/wireless/prism54/islpci_eth.c
	drivers/usb/core/hub.h
	drivers/usb/input/hid-core.c
	net/core/netpoll.c

Fix up merge failures with Linus's head and fix new compilation failures.

Signed-Off-By: David Howells <dhowells@redhat.com>

8 files changed, 63 insertions, 32 deletions

diff --git a/kernel/fork.c b/kernel/fork.c
index 3da978eec791..8cdd3e72ba55 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1315,9 +1315,8 @@ struct task_struct * __devinit fork_idle(int cpu)
         struct pt_regs regs;
 
         task = copy_process(CLONE_VM, 0, idle_regs(&regs), 0, NULL, NULL, 0);
-        if (!task)
-                return ERR_PTR(-ENOMEM);
-        init_idle(task, cpu);
+        if (!IS_ERR(task))
+                init_idle(task, cpu);
 
         return task;
 }
diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c
index 42aa6f1a3f0f..a681912bc89a 100644
--- a/kernel/irq/handle.c
+++ b/kernel/irq/handle.c
@@ -231,10 +231,10 @@ fastcall unsigned int __do_IRQ(unsigned int irq)
                 spin_unlock(&desc->lock);
 
                 action_ret = handle_IRQ_event(irq, action);
-
-                spin_lock(&desc->lock);
                 if (!noirqdebug)
                         note_interrupt(irq, desc, action_ret);
+
+                spin_lock(&desc->lock);
                 if (likely(!(desc->status & IRQ_PENDING)))
                         break;
                 desc->status &= ~IRQ_PENDING;
diff --git a/kernel/irq/spurious.c b/kernel/irq/spurious.c
index 9c7e2e4c1fe7..543ea2e5ad93 100644
--- a/kernel/irq/spurious.c
+++ b/kernel/irq/spurious.c
@@ -147,11 +147,7 @@ void note_interrupt(unsigned int irq, struct irq_desc *desc,
         if (unlikely(irqfixup)) {
                 /* Don't punish working computers */
                 if ((irqfixup == 2 && irq == 0) || action_ret == IRQ_NONE) {
-                        int ok;
-
-                        spin_unlock(&desc->lock);
-                        ok = misrouted_irq(irq);
-                        spin_lock(&desc->lock);
+                        int ok = misrouted_irq(irq);
                         if (action_ret == IRQ_NONE)
                                 desc->irqs_unhandled -= ok;
                 }
diff --git a/kernel/kmod.c b/kernel/kmod.c
index 7dc7a9dad6ac..8d2bea09a4ec 100644
--- a/kernel/kmod.c
+++ b/kernel/kmod.c
@@ -311,14 +311,14 @@ int call_usermodehelper_pipe(char *path, char **argv, char **envp,
                 return 0;
 
         f = create_write_pipe();
-        if (!f)
-                return -ENOMEM;
+        if (IS_ERR(f))
+                return PTR_ERR(f);
         *filp = f;
 
         f = create_read_pipe(f);
-        if (!f) {
+        if (IS_ERR(f)) {
                 free_write_pipe(*filp);
-                return -ENOMEM;
+                return PTR_ERR(f);
         }
         sub_info.stdin = f;
 
diff --git a/kernel/module.c b/kernel/module.c
index f0166563c602..45e01cb60101 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -1086,22 +1086,35 @@ static int mod_sysfs_setup(struct module *mod,
                 goto out;
         kobj_set_kset_s(&mod->mkobj, module_subsys);
         mod->mkobj.mod = mod;
-        err = kobject_register(&mod->mkobj.kobj);
+
+        /* delay uevent until full sysfs population */
+        kobject_init(&mod->mkobj.kobj);
+        err = kobject_add(&mod->mkobj.kobj);
         if (err)
                 goto out;
 
+        mod->drivers_dir = kobject_add_dir(&mod->mkobj.kobj, "drivers");
+        if (!mod->drivers_dir)
+                goto out_unreg;
+
         err = module_param_sysfs_setup(mod, kparam, num_params);
         if (err)
-                goto out_unreg;
+                goto out_unreg_drivers;
 
         err = module_add_modinfo_attrs(mod);
         if (err)
-                goto out_unreg;
+                goto out_unreg_param;
 
+        kobject_uevent(&mod->mkobj.kobj, KOBJ_ADD);
         return 0;
 
+out_unreg_drivers:
+        kobject_unregister(mod->drivers_dir);
+out_unreg_param:
+        module_param_sysfs_remove(mod);
 out_unreg:
-        kobject_unregister(&mod->mkobj.kobj);
+        kobject_del(&mod->mkobj.kobj);
+        kobject_put(&mod->mkobj.kobj);
 out:
         return err;
 }
@@ -1110,6 +1123,7 @@ static void mod_kobject_remove(struct module *mod)
 {
         module_remove_modinfo_attrs(mod);
         module_param_sysfs_remove(mod);
+        kobject_unregister(mod->drivers_dir);
 
         kobject_unregister(&mod->mkobj.kobj);
 }
@@ -2275,11 +2289,14 @@ void print_modules(void)
 
 void module_add_driver(struct module *mod, struct device_driver *drv)
 {
+        int no_warn;
+
         if (!mod || !drv)
                 return;
 
-        /* Don't check return code; this call is idempotent */
-        sysfs_create_link(&drv->kobj, &mod->mkobj.kobj, "module");
+        /* Don't check return codes; these calls are idempotent */
+        no_warn = sysfs_create_link(&drv->kobj, &mod->mkobj.kobj, "module");
+        no_warn = sysfs_create_link(mod->drivers_dir, &drv->kobj, drv->name);
 }
 EXPORT_SYMBOL(module_add_driver);
 
@@ -2288,6 +2305,8 @@ void module_remove_driver(struct device_driver *drv)
         if (!drv)
                 return;
         sysfs_remove_link(&drv->kobj, "module");
+        if (drv->owner && drv->owner->drivers_dir)
+                sysfs_remove_link(drv->owner->drivers_dir, drv->name);
 }
 EXPORT_SYMBOL(module_remove_driver);
 
diff --git a/kernel/spinlock.c b/kernel/spinlock.c
index 476c3741511b..2c6c2bf85514 100644
--- a/kernel/spinlock.c
+++ b/kernel/spinlock.c
@@ -293,6 +293,27 @@ void __lockfunc _spin_lock_nested(spinlock_t *lock, int subclass)
 }
 
 EXPORT_SYMBOL(_spin_lock_nested);
+unsigned long __lockfunc _spin_lock_irqsave_nested(spinlock_t *lock, int subclass)
+{
+        unsigned long flags;
+
+        local_irq_save(flags);
+        preempt_disable();
+        spin_acquire(&lock->dep_map, subclass, 0, _RET_IP_);
+        /*
+         * On lockdep we dont want the hand-coded irq-enable of
+         * _raw_spin_lock_flags() code, because lockdep assumes
+         * that interrupts are not re-enabled during lock-acquire:
+         */
+#ifdef CONFIG_PROVE_SPIN_LOCKING
+        _raw_spin_lock(lock);
+#else
+        _raw_spin_lock_flags(lock, &flags);
+#endif
+        return flags;
+}
+
+EXPORT_SYMBOL(_spin_lock_irqsave_nested);
 
 #endif
 
diff --git a/kernel/taskstats.c b/kernel/taskstats.c
index f45c5e70773c..d3d28919d4b4 100644
--- a/kernel/taskstats.c
+++ b/kernel/taskstats.c
@@ -77,8 +77,7 @@ static int prepare_reply(struct genl_info *info, u8 cmd, struct sk_buff **skbp,
         /*
          * If new attributes are added, please revisit this allocation
          */
-        size = nlmsg_total_size(genlmsg_total_size(size));
-        skb = nlmsg_new(size, GFP_KERNEL);
+        skb = genlmsg_new(size, GFP_KERNEL);
         if (!skb)
                 return -ENOMEM;
 
@@ -86,13 +85,9 @@ static int prepare_reply(struct genl_info *info, u8 cmd, struct sk_buff **skbp,
                 int seq = get_cpu_var(taskstats_seqnum)++;
                 put_cpu_var(taskstats_seqnum);
 
-                reply = genlmsg_put(skb, 0, seq,
-                                family.id, 0, 0,
-                                cmd, family.version);
+                reply = genlmsg_put(skb, 0, seq, &family, 0, cmd);
         } else
-                reply = genlmsg_put(skb, info->snd_pid, info->snd_seq,
-                                family.id, 0, 0,
-                                cmd, family.version);
+                reply = genlmsg_put_reply(skb, info, &family, 0, cmd);
         if (reply == NULL) {
                 nlmsg_free(skb);
                 return -EINVAL;
diff --git a/kernel/unwind.c b/kernel/unwind.c
index f7e50d16dbf6..ed0a21d4a902 100644
--- a/kernel/unwind.c
+++ b/kernel/unwind.c
@@ -938,8 +938,11 @@ int unwind(struct unwind_frame_info *frame)
                 else {
                         retAddrReg = state.version <= 1 ? *ptr++ : get_uleb128(&ptr, end);
                         /* skip augmentation */
-                        if (((const char *)(cie + 2))[1] == 'z')
-                                ptr += get_uleb128(&ptr, end);
+                        if (((const char *)(cie + 2))[1] == 'z') {
+                                uleb128_t augSize = get_uleb128(&ptr, end);
+
+                                ptr += augSize;
+                        }
                         if (ptr > end
                            || retAddrReg >= ARRAY_SIZE(reg_info)
                            || REG_INVALID(retAddrReg)
@@ -963,9 +966,7 @@ int unwind(struct unwind_frame_info *frame)
         if (cie == NULL || fde == NULL) {
 #ifdef CONFIG_FRAME_POINTER
                 unsigned long top, bottom;
-#endif
 
-#ifdef CONFIG_FRAME_POINTER
                 top = STACK_TOP(frame->task);
                 bottom = STACK_BOTTOM(frame->task);
 # if FRAME_RETADDR_OFFSET < 0