vserver 2.0 rc7

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

diff --git a/arch/alpha/kernel/ptrace.c b/arch/alpha/kernel/ptrace.c
index 3796170..fa36b5d 100644 (file)
--- a/arch/alpha/kernel/ptrace.c
+++ b/arch/alpha/kernel/ptrace.c
@@ -14,6 +14,7 @@
 #include <linux/user.h>
 #include <linux/slab.h>
 #include <linux/security.h>
+#include <linux/signal.h>
 
 #include <asm/uaccess.h>
 #include <asm/pgtable.h>
@@ -337,7 +338,7 @@ do_sys_ptrace(long request, long pid, long addr, long data,
                /* 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);
@@ -367,7 +368,7 @@ do_sys_ptrace(long request, long pid, long addr, long data,
 
        case PTRACE_SINGLESTEP:  /* execute single instruction. */
                ret = -EIO;
-               if ((unsigned long) data > _NSIG)
+               if (!valid_signal(data))
                        break;
                /* Mark single stepping.  */
                child->thread_info->bpt_nsaved = -1;