Merge to Fedora kernel-2.6.18-1.2224_FC5 patched with stable patch-2.6.18.1-vs2.0...
[linux-2.6.git] / kernel / kexec.c
index bf39d28..50087ec 100644 (file)
@@ -902,14 +902,14 @@ static int kimage_load_segment(struct kimage *image,
  * kexec does not sync, or unmount filesystems so if you need
  * that to happen you need to do that yourself.
  */
-struct kimage *kexec_image = NULL;
-static struct kimage *kexec_crash_image = NULL;
+struct kimage *kexec_image;
+struct kimage *kexec_crash_image;
 /*
  * A home grown binary mutex.
  * Nothing can wait so this mutex is safe to use
  * in interrupt context :)
  */
-static int kexec_lock = 0;
+static int kexec_lock;
 
 asmlinkage long sys_kexec_load(unsigned long entry, unsigned long nr_segments,
                                struct kexec_segment __user *segments,
@@ -1042,7 +1042,6 @@ asmlinkage long compat_sys_kexec_load(unsigned long entry,
 
 void crash_kexec(struct pt_regs *regs)
 {
-       struct kimage *image;
        int locked;
 
 
@@ -1056,12 +1055,11 @@ void crash_kexec(struct pt_regs *regs)
         */
        locked = xchg(&kexec_lock, 1);
        if (!locked) {
-               image = xchg(&kexec_crash_image, NULL);
-               if (image) {
+               if (kexec_crash_image) {
                        struct pt_regs fixed_regs;
                        crash_setup_regs(&fixed_regs, regs);
                        machine_crash_shutdown(&fixed_regs);
-                       machine_kexec(image);
+                       machine_kexec(kexec_crash_image);
                }
                xchg(&kexec_lock, 0);
        }