PTRACE_POKEDATA consolidation

Identical implementations of PTRACE_POKEDATA go into generic_ptrace_pokedata()
function.

AFAICS, fix bug on xtensa where successful PTRACE_POKEDATA will nevertheless
return EPERM.

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>

2 files changed, 2 insertions, 12 deletions

diff --git a/arch/cris/arch-v10/kernel/ptrace.c b/arch/cris/arch-v10/kernel/ptrace.c
index 74b1b4dc8225..f4f9db698b44 100644
--- a/arch/cris/arch-v10/kernel/ptrace.c
+++ b/arch/cris/arch-v10/kernel/ptrace.c
@@ -103,12 +103,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
                 /* Write the word at location address. */
                 case PTRACE_POKETEXT:
                 case PTRACE_POKEDATA:
-                        ret = 0;
-                        
-                        if (access_process_vm(child, addr, &data, sizeof(data), 1) == sizeof(data))
-                                break;
-                        
-                        ret = -EIO;
+                        ret = generic_ptrace_pokedata(child, addr, data);
                         break;
  
                 /* Write the word at location address in the USER area. */
diff --git a/arch/cris/arch-v32/kernel/ptrace.c b/arch/cris/arch-v32/kernel/ptrace.c
index d4d57b741334..38ece0cd47cb 100644
--- a/arch/cris/arch-v32/kernel/ptrace.c
+++ b/arch/cris/arch-v32/kernel/ptrace.c
@@ -146,12 +146,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
                 /* Write the word at location address. */
                 case PTRACE_POKETEXT:
                 case PTRACE_POKEDATA:
-                        ret = 0;
-
-                        if (access_process_vm(child, addr, &data, sizeof(data), 1) == sizeof(data))
-                                break;
-
-                        ret = -EIO;
+                        ret = generic_ptrace_pokedata(child, addr, data);
                         break;
 
                 /* Write the word at location address in the USER area. */