Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net

4 files changed, 21 insertions, 5 deletions

diff --git a/include/linux/cred.h b/include/linux/cred.h
index 98f46ef..4030896 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 f2690cf..fd599f4 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/of.h b/include/linux/of.h
index 0085bb0..9180dc5 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 20b03bf..4ac2c05 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 */