Merge branch 'akpm-incoming-2'

* akpm-incoming-2: (139 commits)
  epoll: make epoll_wait() use the hrtimer range feature
  select: rename estimate_accuracy() to select_estimate_accuracy()
  Remove duplicate includes from many files
  ramoops: use the platform data structure instead of module params
  kernel/resource.c: handle reinsertion of an already-inserted resource
  kfifo: fix kfifo_alloc() to return a signed int value
  w1: don't allow arbitrary users to remove w1 devices
  alpha: remove dma64_addr_t usage
  mips: remove dma64_addr_t usage
  sparc: remove dma64_addr_t usage
  fuse: use release_pages()
  taskstats: use real microsecond granularity for CPU times
  taskstats: split fill_pid function
  taskstats: separate taskstats commands
  delayacct: align to 8 byte boundary on 64-bit systems
  delay-accounting: reimplement -c for getdelays.c to report information on a target command
  namespaces Kconfig: move namespace menu location after the cgroup
  namespaces Kconfig: remove the cgroup device whitelist experimental tag
  namespaces Kconfig: remove pointless cgroup dependency
  namespaces Kconfig: make namespace a submenu
  ...

1 files changed, 8 insertions, 9 deletions

diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c
index 70c4872cd8aa..45892dc4b72a 100644
--- a/arch/x86/kernel/ptrace.c
+++ b/arch/x86/kernel/ptrace.c
@@ -801,7 +801,8 @@ void ptrace_disable(struct task_struct *child)
 static const struct user_regset_view user_x86_32_view; /* Initialized below. */
 #endif
 
-long arch_ptrace(struct task_struct *child, long request, long addr, long data)
+long arch_ptrace(struct task_struct *child, long request,
+                 unsigned long addr, unsigned long data)
 {
         int ret;
         unsigned long __user *datap = (unsigned long __user *)data;
@@ -812,8 +813,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
                 unsigned long tmp;
 
                 ret = -EIO;
-                if ((addr & (sizeof(data) - 1)) || addr < 0 ||
-                    addr >= sizeof(struct user))
+                if ((addr & (sizeof(data) - 1)) || addr >= sizeof(struct user))
                         break;
 
                 tmp = 0;  /* Default return condition */
@@ -830,8 +830,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 
         case PTRACE_POKEUSR: /* write the word at location addr in the USER area */
                 ret = -EIO;
-                if ((addr & (sizeof(data) - 1)) || addr < 0 ||
-                    addr >= sizeof(struct user))
+                if ((addr & (sizeof(data) - 1)) || addr >= sizeof(struct user))
                         break;
 
                 if (addr < sizeof(struct user_regs_struct))
@@ -888,17 +887,17 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 
 #if defined CONFIG_X86_32 || defined CONFIG_IA32_EMULATION
         case PTRACE_GET_THREAD_AREA:
-                if (addr < 0)
+                if ((int) addr < 0)
                         return -EIO;
                 ret = do_get_thread_area(child, addr,
-                                         (struct user_desc __user *) data);
+                                        (struct user_desc __user *)data);
                 break;
 
         case PTRACE_SET_THREAD_AREA:
-                if (addr < 0)
+                if ((int) addr < 0)
                         return -EIO;
                 ret = do_set_thread_area(child, addr,
-                                         (struct user_desc __user *) data, 0);
+                                        (struct user_desc __user *)data, 0);
                 break;
 #endif