1 files changed, 2 insertions, 26 deletions

diff --git a/arch/blackfin/kernel/process.c b/arch/blackfin/kernel/process.c
index 6a7aefe48346..9124467651c4 100644
--- a/arch/blackfin/kernel/process.c
+++ b/arch/blackfin/kernel/process.c
@@ -134,31 +134,6 @@ void cpu_idle(void)
         }
 }
 
-void machine_restart(char *__unused)
-{
-#if defined(CONFIG_BLKFIN_CACHE)
-        bfin_write_IMEM_CONTROL(0x01);
-        SSYNC();
-#endif
-        bfin_reset();
-        /* Dont do anything till the reset occurs */
-        while (1) {
-                SSYNC();
-        }
-}
-
-void machine_halt(void)
-{
-        for (;;)
-                asm volatile ("idle");
-}
-
-void machine_power_off(void)
-{
-        for (;;)
-                asm volatile ("idle");
-}
-
 void show_regs(struct pt_regs *regs)
 {
         printk(KERN_NOTICE "\n");
@@ -420,7 +395,8 @@ void finish_atomic_sections (struct pt_regs *regs)
 #if defined(CONFIG_ACCESS_CHECK)
 int _access_ok(unsigned long addr, unsigned long size)
 {
-
+        if (size == 0)
+                return 1;
         if (addr > (addr + size))
                 return 0;
         if (segment_eq(get_fs(), KERNEL_DS))