6 files changed, 26 insertions, 8 deletions

diff --git a/include/linux/cred.h b/include/linux/cred.h
index 98f46efbe2d2..40308969ed00 100644
--- a/include/linux/cred.h
+++ b/include/linux/cred.h
@@ -269,7 +269,7 @@ static inline void put_cred(const struct cred *_cred)
  * since nobody else can modify it.
  */
 #define current_cred() \
-        (*(__force struct cred **)&current->cred)
+        rcu_dereference_protected(current->cred, 1)
 
 /**
  * __task_cred - Access a task's objective credentials
@@ -307,7 +307,7 @@ static inline void put_cred(const struct cred *_cred)
 #define get_current_user()                              \
 ({                                                      \
         struct user_struct *__u;                        \
-        struct cred *__cred;                            \
+        const struct cred *__cred;                      \
         __cred = current_cred();                        \
         __u = get_uid(__cred->user);                    \
         __u;                                            \
@@ -322,7 +322,7 @@ static inline void put_cred(const struct cred *_cred)
 #define get_current_groups()                            \
 ({                                                      \
         struct group_info *__groups;                    \
-        struct cred *__cred;                            \
+        const struct cred *__cred;                      \
         __cred = current_cred();                        \
         __groups = get_group_info(__cred->group_info);  \
         __groups;                                       \
diff --git a/include/linux/mm.h b/include/linux/mm.h
index f2690cf49827..fd599f4bb846 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -962,6 +962,8 @@ int invalidate_inode_page(struct page *page);
 #ifdef CONFIG_MMU
 extern int handle_mm_fault(struct mm_struct *mm, struct vm_area_struct *vma,
                         unsigned long address, unsigned int flags);
+extern int fixup_user_fault(struct task_struct *tsk, struct mm_struct *mm,
+                            unsigned long address, unsigned int fault_flags);
 #else
 static inline int handle_mm_fault(struct mm_struct *mm,
                         struct vm_area_struct *vma, unsigned long address,
@@ -971,6 +973,14 @@ static inline int handle_mm_fault(struct mm_struct *mm,
         BUG();
         return VM_FAULT_SIGBUS;
 }
+static inline int fixup_user_fault(struct task_struct *tsk,
+                struct mm_struct *mm, unsigned long address,
+                unsigned int fault_flags)
+{
+        /* should never happen if there's no MMU */
+        BUG();
+        return -EFAULT;
+}
 #endif
 
 extern int make_pages_present(unsigned long addr, unsigned long end);
@@ -988,8 +998,6 @@ int get_user_pages(struct task_struct *tsk, struct mm_struct *mm,
 int get_user_pages_fast(unsigned long start, int nr_pages, int write,
                         struct page **pages);
 struct page *get_dump_page(unsigned long addr);
-extern int fixup_user_fault(struct task_struct *tsk, struct mm_struct *mm,
-                            unsigned long address, unsigned int fault_flags);
 
 extern int try_to_release_page(struct page * page, gfp_t gfp_mask);
 extern void do_invalidatepage(struct page *page, unsigned long offset);
diff --git a/include/linux/netlink.h b/include/linux/netlink.h
index 2e17c5dbdcb8..180540a84d37 100644
--- a/include/linux/netlink.h
+++ b/include/linux/netlink.h
@@ -29,7 +29,7 @@
 #define MAX_LINKS 32            
 
 struct sockaddr_nl {
-        sa_family_t     nl_family;      /* AF_NETLINK   */
+        __kernel_sa_family_t    nl_family;      /* AF_NETLINK   */
         unsigned short  nl_pad;         /* zero         */
         __u32           nl_pid;         /* port ID      */
         __u32           nl_groups;      /* multicast groups mask */
diff --git a/include/linux/of.h b/include/linux/of.h
index 0085bb01c041..9180dc5cb00b 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -256,6 +256,13 @@ static inline int of_property_read_string(struct device_node *np,
         return -ENOSYS;
 }
 
+static inline const void *of_get_property(const struct device_node *node,
+                                const char *name,
+                                int *lenp)
+{
+        return NULL;
+}
+
 #endif /* CONFIG_OF */
 
 static inline int of_property_read_u32(const struct device_node *np,
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 20b03bf94748..4ac2c0578e0f 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1767,6 +1767,7 @@ extern void thread_group_times(struct task_struct *p, cputime_t *ut, cputime_t *
 #define PF_DUMPCORE     0x00000200      /* dumped core */
 #define PF_SIGNALED     0x00000400      /* killed by a signal */
 #define PF_MEMALLOC     0x00000800      /* Allocating memory */
+#define PF_NPROC_EXCEEDED 0x00001000    /* set_user noticed that RLIMIT_NPROC was exceeded */
 #define PF_USED_MATH    0x00002000      /* if unset the fpu must be initialized before use */
 #define PF_FREEZING     0x00004000      /* freeze in progress. do not account to load */
 #define PF_NOFREEZE     0x00008000      /* this thread should not be frozen */
diff --git a/include/linux/socket.h b/include/linux/socket.h
index e17f82266639..d0e77f607a79 100644
--- a/include/linux/socket.h
+++ b/include/linux/socket.h
@@ -8,8 +8,10 @@
 #define _K_SS_ALIGNSIZE (__alignof__ (struct sockaddr *))
                                 /* Implementation specific desired alignment */
 
+typedef unsigned short __kernel_sa_family_t;
+
 struct __kernel_sockaddr_storage {
-        unsigned short  ss_family;              /* address family */
+        __kernel_sa_family_t    ss_family;              /* address family */
         /* Following field(s) are implementation specific */
         char            __data[_K_SS_MAXSIZE - sizeof(unsigned short)];
                                 /* space to achieve desired size, */
@@ -35,7 +37,7 @@ struct seq_file;
 extern void socket_seq_show(struct seq_file *seq);
 #endif
 
-typedef unsigned short  sa_family_t;
+typedef __kernel_sa_family_t    sa_family_t;
 
 /*
  *      1003.1g requires sa_family_t and that sa_data is char.