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, 1 insertions, 7 deletions

diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c
index 6f2f46c2e406..9a5d9754c2a2 100644
--- a/arch/arm/kernel/ptrace.c
+++ b/arch/arm/kernel/ptrace.c
@@ -657,7 +657,6 @@ static int ptrace_setcrunchregs(struct task_struct *tsk, void __user *ufp)
 
 long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 {
-        unsigned long tmp;
         int ret;
 
         switch (request) {
@@ -666,12 +665,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
                  */
                 case PTRACE_PEEKTEXT:
                 case PTRACE_PEEKDATA:
-                        ret = access_process_vm(child, addr, &tmp,
-                                                sizeof(unsigned long), 0);
-                        if (ret == sizeof(unsigned long))
-                                ret = put_user(tmp, (unsigned long __user *) data);
-                        else
-                                ret = -EIO;
+                        ret = generic_ptrace_peekdata(child, addr, data);
                         break;
 
                 case PTRACE_PEEKUSR: