vserver 2.0 rc7

[linux-2.6.git] / arch / ppc / kernel / ptrace.c

diff --git a/arch/ppc/kernel/ptrace.c b/arch/ppc/kernel/ptrace.c
index 1f370cb..70ee816 100644 (file)
--- a/arch/ppc/kernel/ptrace.c
+++ b/arch/ppc/kernel/ptrace.c
@@ -26,6 +26,7 @@
 #include <linux/ptrace.h>
 #include <linux/user.h>
 #include <linux/security.h>
+#include <linux/signal.h>
 
 #include <asm/uaccess.h>
 #include <asm/page.h>
@@ -358,7 +359,7 @@ int sys_ptrace(long request, long pid, long addr, long data)
        case PTRACE_SYSCALL: /* continue and stop at next (return from) syscall */
        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);
@@ -391,7 +392,7 @@ int sys_ptrace(long request, long pid, long addr, long data)
 
        case PTRACE_SINGLESTEP: {  /* set the trap flag. */
                ret = -EIO;
-               if ((unsigned long) data > _NSIG)
+               if (!valid_signal(data))
                        break;
                clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
                set_single_step(child);