1 files changed, 3 insertions, 15 deletions

diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index 872f1f8fbb57..57e6874d0b80 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -19,15 +19,13 @@
 #include <linux/kallsyms.h>
 #include <linux/delay.h>
 #include <linux/init.h>
-#include <linux/kprobes.h>
+#include <linux/uaccess.h>
 
 #include <asm/atomic.h>
 #include <asm/cacheflush.h>
 #include <asm/system.h>
-#include <asm/uaccess.h>
 #include <asm/unistd.h>
 #include <asm/traps.h>
-#include <asm/io.h>
 
 #include "ptrace.h"
 #include "signal.h"
@@ -69,7 +67,8 @@ void dump_backtrace_entry(unsigned long where, unsigned long from, unsigned long
  */
 static int verify_stack(unsigned long sp)
 {
-        if (sp < PAGE_OFFSET || (sp > (unsigned long)high_memory && high_memory != 0))
+        if (sp < PAGE_OFFSET ||
+            (sp > (unsigned long)high_memory && high_memory != NULL))
                 return -EFAULT;
 
         return 0;
@@ -328,17 +327,6 @@ asmlinkage void __exception do_undefinstr(struct pt_regs *regs)
                 get_user(instr, (u32 __user *)pc);
         }
 
-#ifdef CONFIG_KPROBES
-        /*
-         * It is possible to have recursive kprobes, so we can't call
-         * the kprobe trap handler with the undef_lock held.
-         */
-        if (instr == KPROBE_BREAKPOINT_INSTRUCTION && !user_mode(regs)) {
-                kprobe_trap_handler(regs, instr);
-                return;
-        }
-#endif
-
         if (call_undef_hook(regs, instr) == 0)
                 return;