[PATCH] aty: remove unnecessary CONFIG_PCI

[linux-2.6-omap-h63xx.git] / arch / mips / kernel / ptrace32.c

diff --git a/arch/mips/kernel/ptrace32.c b/arch/mips/kernel/ptrace32.c
index 9a9b049721327cb28fca14dffd8b6bf5f5d47ec1..7e55457a491f3c71b730dd5c3286030db571f02f 100644 (file)
--- a/arch/mips/kernel/ptrace32.c
+++ b/arch/mips/kernel/ptrace32.c
@@ -57,30 +57,16 @@ asmlinkage int sys32_ptrace(int request, int pid, int addr, int data)
               (unsigned long) data);
 #endif
        lock_kernel();
-       ret = -EPERM;
        if (request == PTRACE_TRACEME) {
-               /* are we already being traced? */
-               if (current->ptrace & PT_PTRACED)
-                       goto out;
-               if ((ret = security_ptrace(current->parent, current)))
-                       goto out;
-               /* set the ptrace bit in the process flags. */
-               current->ptrace |= PT_PTRACED;
-               ret = 0;
+               ret = ptrace_traceme();
                goto out;
        }
-       ret = -ESRCH;
-       read_lock(&tasklist_lock);
-       child = find_task_by_pid(pid);
-       if (child)
-               get_task_struct(child);
-       read_unlock(&tasklist_lock);
-       if (!child)
-               goto out;
 
-       ret = -EPERM;
-       if (pid == 1)           /* you may not mess with init */
-               goto out_tsk;
+       child = ptrace_get_task_struct(pid);
+       if (IS_ERR(child)) {
+               ret = PTR_ERR(child);
+               goto out;
+       }
 
        if (request == PTRACE_ATTACH) {
                ret = ptrace_attach(child);