[PATCH] xtensa: use valid_signal()

xtensa should use valid_signal() instead of testing _NSIG directly like
everyone else.

Signed-off-by: Jesper Juhl <juhl-lkml@dif.dk>
Cc: Chris Zankel <chris@zankel.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/arch/xtensa/kernel/ptrace.c b/arch/xtensa/kernel/ptrace.c
index 9ef07a4..2659efd 100644 (file)
--- a/arch/xtensa/kernel/ptrace.c
+++ b/arch/xtensa/kernel/ptrace.c
@@ -22,6 +22,7 @@
 #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>
@@ -239,7 +240,7 @@ int sys_ptrace(long request, long pid, long addr, long data)
        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);
@@ -269,7 +270,7 @@ int sys_ptrace(long request, long pid, long addr, long data)
 
        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;