5 files changed, 22 insertions, 4 deletions
diff --git a/include/linux/compat.h b/include/linux/compat.h
index dec7e2d18875..98ac3c57a6b6 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -648,6 +648,13 @@ asmlinkage long compat_sys_sigaltstack(const compat_stack_t __user *uss_ptr,
 
 int compat_restore_altstack(const compat_stack_t __user *uss);
 int __compat_save_altstack(compat_stack_t __user *, unsigned long);
+#define compat_save_altstack_ex(uss, sp) do { \
+	compat_stack_t __user *__uss = uss; \
+	struct task_struct *t = current; \
+	put_user_ex(ptr_to_compat((void __user *)t->sas_ss_sp), &__uss->ss_sp); \
+	put_user_ex(sas_ss_flags(sp), &__uss->ss_flags); \
+	put_user_ex(t->sas_ss_size, &__uss->ss_size); \
+} while (0);
 #endif
 
 asmlinkage long compat_sys_sched_rr_get_interval(compat_pid_t pid,
diff --git a/include/linux/hid.h b/include/linux/hid.h
index 7330a0fef0c0..13d812beb9cf 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -392,10 +392,12 @@ struct hid_report {
 	struct hid_device *device;			/* associated device */
 };
 
+#define HID_MAX_IDS 256
+
 struct hid_report_enum {
 	unsigned numbered;
 	struct list_head report_list;
-	struct hid_report *report_id_hash[256];
+	struct hid_report *report_id_hash[HID_MAX_IDS];
 };
 
 #define HID_REPORT_TYPES 3
diff --git a/include/linux/rculist.h b/include/linux/rculist.h
index c92dd28eaa6c..c9e7330226e2 100644
--- a/include/linux/rculist.h
+++ b/include/linux/rculist.h
@@ -267,8 +267,9 @@ static inline void list_splice_init_rcu(struct list_head *list,
  */
 #define list_first_or_null_rcu(ptr, type, member) \
 	({struct list_head *__ptr = (ptr); \
-	  struct list_head __rcu *__next = list_next_rcu(__ptr); \
-	  likely(__ptr != __next) ? container_of(__next, type, member) : NULL; \
+	  struct list_head *__next = ACCESS_ONCE(__ptr->next); \
+	  likely(__ptr != __next) ? \
+		list_entry_rcu(__next, type, member) : NULL; \
 	})
 
 /**
diff --git a/include/linux/signal.h b/include/linux/signal.h
index 89428953974c..5fbefd23c3ce 100644
--- a/include/linux/signal.h
+++ b/include/linux/signal.h
@@ -389,4 +389,12 @@ void signals_init(void);
 int restore_altstack(const stack_t __user *);
 int __save_altstack(stack_t __user *, unsigned long);
 
+#define save_altstack_ex(uss, sp) do { \
+	stack_t __user *__uss = uss; \
+	struct task_struct *t = current; \
+	put_user_ex((void __user *)t->sas_ss_sp, &__uss->ss_sp); \
+	put_user_ex(sas_ss_flags(sp), &__uss->ss_flags); \
+	put_user_ex(t->sas_ss_size, &__uss->ss_size); \
+} while (0);
+
 #endif /* _LINUX_SIGNAL_H */
diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h
index 0a78df5f6cfd..40e8563e0136 100644
--- a/include/linux/usb/hcd.h
+++ b/include/linux/usb/hcd.h
@@ -408,7 +408,7 @@ extern int usb_hcd_pci_probe(struct pci_dev *dev,
 extern void usb_hcd_pci_remove(struct pci_dev *dev);
 extern void usb_hcd_pci_shutdown(struct pci_dev *dev);
 
-#ifdef CONFIG_PM_SLEEP
+#ifdef CONFIG_PM
 extern const struct dev_pm_ops usb_hcd_pci_pm_ops;
 #endif
 #endif /* CONFIG_PCI */