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, 11 deletions

diff --git a/arch/parisc/kernel/ptrace.c b/arch/parisc/kernel/ptrace.c
index 8a0db376e91e..26ec774c5027 100644
--- a/arch/parisc/kernel/ptrace.c
+++ b/arch/parisc/kernel/ptrace.c
@@ -87,10 +87,9 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
         switch (request) {
         case PTRACE_PEEKTEXT: /* read word at location addr. */ 
         case PTRACE_PEEKDATA: {
-                int copied;
-
 #ifdef CONFIG_64BIT
                 if (__is_compat_task(child)) {
+                        int copied;
                         unsigned int tmp;
 
                         addr &= 0xffffffffL;
@@ -105,15 +104,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
                 }
                 else
 #endif
-                {
-                        unsigned long tmp;
-
-                        copied = access_process_vm(child, addr, &tmp, sizeof(tmp), 0);
-                        ret = -EIO;
-                        if (copied != sizeof(tmp))
-                                goto out_tsk;
-                        ret = put_user(tmp,(unsigned long *) data);
-                }
+                        ret = generic_ptrace_peekdata(child, addr, data);
                 goto out_tsk;
         }