X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=arch%2Fparisc%2Fkernel%2Fprocess.c;h=b80e02a4d81de3d193ec1faae269b7614a783cf1;hb=8568dae21e186fbb111bbe6583033a33fe26f83d;hp=dfca014b49bafc2c2758a508f2396f2a0ebb752e;hpb=c2c4798e04ef836b12f5df04e7d1a1710cb39301;p=linux-2.6

diff --git a/arch/parisc/kernel/process.c b/arch/parisc/kernel/process.c
index dfca014b49..b80e02a4d8 100644
--- a/arch/parisc/kernel/process.c
+++ b/arch/parisc/kernel/process.c
@@ -13,7 +13,7 @@
  *    Copyright (C) 2000 Grant Grundler <grundler with parisc-linux.org>
  *    Copyright (C) 2001 Alan Modra <amodra at parisc-linux.org>
  *    Copyright (C) 2001-2002 Ryan Bradetich <rbrad at parisc-linux.org>
- *    Copyright (C) 2001-2002 Helge Deller <deller at parisc-linux.org>
+ *    Copyright (C) 2001-2007 Helge Deller <deller at parisc-linux.org>
  *    Copyright (C) 2002 Randolph Chung <tausq with parisc-linux.org>
  *
  *
@@ -38,6 +38,7 @@
 #include <linux/errno.h>
 #include <linux/kernel.h>
 #include <linux/mm.h>
+#include <linux/fs.h>
 #include <linux/module.h>
 #include <linux/personality.h>
 #include <linux/ptrace.h>
@@ -303,7 +304,7 @@ copy_thread(int nr, unsigned long clone_flags, unsigned long usp,
 		 * Copy function and argument to be called from
 		 * ret_from_kernel_thread.
 		 */
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
 		cregs->gr[27] = pregs->gr[27];
 #endif
 		cregs->gr[26] = pregs->gr[26];
@@ -381,6 +382,10 @@ get_wchan(struct task_struct *p)
 	struct unwind_frame_info info;
 	unsigned long ip;
 	int count = 0;
+
+	if (!p || p == current || p->state == TASK_RUNNING)
+		return 0;
+
 	/*
 	 * These bracket the sleeping functions..
 	 */