avoid panics at reboot.

diff --git a/sys/arch/sun3/sun3/machdep.c b/sys/arch/sun3/sun3/machdep.c
index 156c0e1..27eb73c 100644 (file)
--- a/sys/arch/sun3/sun3/machdep.c
+++ b/sys/arch/sun3/sun3/machdep.c
@@ -754,12 +754,16 @@ sys_sigreturn(p, v, retval)
 int waittime = -1;     /* XXX - Who else looks at this? -gwr */
 static void reboot_sync()
 {
+       extern struct proc proc0;
        struct buf *bp;
        int iter, nbusy;
 
        /* Check waittime here to localize its use to this function. */
        if (waittime >= 0)
                return;
+       /* fix curproc */
+       if (curproc == NULL)
+               curproc = &proc0;
        waittime = 0;
        vfs_shutdown();
 }