Consolidate PTRACE_DETACH

Identical handlers of PTRACE_DETACH go into ptrace_request().
Not touching compat code.
Not touching archs that don't call ptrace_request.

Signed-off-by: Alexey Dobriyan <adobriyan@sw.ru>
Acked-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 0 insertions, 4 deletions

diff --git a/arch/alpha/kernel/ptrace.c b/arch/alpha/kernel/ptrace.c
index 83a781842266..eaf4ee5f0c35 100644
--- a/arch/alpha/kernel/ptrace.c
+++ b/arch/alpha/kernel/ptrace.c
@@ -368,10 +368,6 @@ do_sys_ptrace(long request, long pid, long addr, long data,
                 ret = 0;
                 goto out;
 
-        case PTRACE_DETACH:      /* detach a process that was attached. */
-                ret = ptrace_detach(child, data);
-                goto out;
-
         default:
                 ret = ptrace_request(child, request, addr, data);
                 goto out;