PTRACE_PEEKDATA consolidation

Identical implementations of PTRACE_PEEKDATA go into generic_ptrace_peekdata()
function.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: <linux-arch@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 2 insertions, 10 deletions

diff --git a/arch/x86_64/kernel/ptrace.c b/arch/x86_64/kernel/ptrace.c
index 9409117b9f19..327ff93a38b6 100644
--- a/arch/x86_64/kernel/ptrace.c
+++ b/arch/x86_64/kernel/ptrace.c
@@ -313,17 +313,9 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
         switch (request) {
         /* when I and D space are separate, these will need to be fixed. */
         case PTRACE_PEEKTEXT: /* read word at location addr. */ 
-        case PTRACE_PEEKDATA: {
-                unsigned long tmp;
-                int copied;
-
-                copied = access_process_vm(child, addr, &tmp, sizeof(tmp), 0);
-                ret = -EIO;
-                if (copied != sizeof(tmp))
-                        break;
-                ret = put_user(tmp,(unsigned long __user *) data);
+        case PTRACE_PEEKDATA:
+                ret = generic_ptrace_peekdata(child, addr, data);
                 break;
-        }
 
         /* read the word at location addr in the USER area. */
         case PTRACE_PEEKUSR: {