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>
diff --git a/arch/m32r/kernel/ptrace.c b/arch/m32r/kernel/ptrace.c
index 5f02b31..01a1c9a 100644
--- a/arch/m32r/kernel/ptrace.c
+++ b/arch/m32r/kernel/ptrace.c
@@ -595,7 +595,6 @@
 static int
 do_ptrace(long request, struct task_struct *child, long addr, long data)
 {
-	unsigned long tmp;
 	int ret;
 
 	switch (request) {
@@ -604,11 +603,7 @@
 	 */
 	case PTRACE_PEEKTEXT:
 	case PTRACE_PEEKDATA:
-		ret = access_process_vm(child, addr, &tmp, sizeof(tmp), 0);
-		if (ret == sizeof(tmp))
-			ret = put_user(tmp,(unsigned long __user *) data);
-		else
-			ret = -EIO;
+		ret = generic_ptrace_peekdata(child, addr, data);
 		break;
 
 	/*