#include <linux/smp.h>
#include <linux/smp_lock.h>
#include <linux/security.h>
+#include <linux/signal.h>
#include <asm/pgtable.h>
#include <asm/page.h>
/* Nothing to do.. */
}
-int sys_ptrace(long request, long pid, long addr, long data)
+long sys_ptrace(long request, long pid, long addr, long data)
{
struct task_struct *child;
int ret = -EPERM;
case PTRACE_CONT: /* restart after signal. */
{
ret = -EIO;
- if ((unsigned long) data > _NSIG)
+ if (!valid_signal(data))
break;
if (request == PTRACE_SYSCALL)
set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
case PTRACE_SINGLESTEP:
ret = -EIO;
- if ((unsigned long) data > _NSIG)
+ if (!valid_signal(data))
break;
clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
child->ptrace |= PT_SINGLESTEP;