From 7664732315c97f48dba9d1e7339ad16fc5a320ac Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Tue, 17 Jul 2007 04:03:43 -0700
Subject: 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>
---
 kernel/ptrace.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'kernel/ptrace.c')

diff --git a/kernel/ptrace.c b/kernel/ptrace.c
index b1d11f1c7cf7..1653d35419a1 100644
--- a/kernel/ptrace.c
+++ b/kernel/ptrace.c
@@ -490,3 +490,14 @@ asmlinkage long sys_ptrace(long request, long pid, long addr, long data)
 	return ret;
 }
 #endif /* __ARCH_SYS_PTRACE */
+
+int generic_ptrace_peekdata(struct task_struct *tsk, long addr, long data)
+{
+	unsigned long tmp;
+	int copied;
+
+	copied = access_process_vm(tsk, addr, &tmp, sizeof(tmp), 0);
+	if (copied != sizeof(tmp))
+		return -EIO;
+	return put_user(tmp, (unsigned long __user *)data);
+}
-- 
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