[PATCH] x86_64: Remove check for canonical RIP

As pointed out by Linus it is useless now because entry.S should
handle it correctly in all cases.

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 0 insertions, 5 deletions

diff --git a/arch/x86_64/kernel/ptrace.c b/arch/x86_64/kernel/ptrace.c
index d44b2c1e63a..da8e7903d81 100644
--- a/arch/x86_64/kernel/ptrace.c
+++ b/arch/x86_64/kernel/ptrace.c
@@ -274,11 +274,6 @@ static int putreg(struct task_struct *child,
                                 return -EIO;
                         value &= 0xffff;
                         break;
-                case offsetof(struct user_regs_struct, rip):
-                        /* Check if the new RIP address is canonical */
-                        if (value >= TASK_SIZE_OF(child))
-                                return -EIO;
-                        break;
         }
         put_stack_long(child, regno - sizeof(struct pt_regs), value);
         return 0;