[PATCH] Fix SMP lockup in usbdevfs

[Tony Hoyle]

This fixes a lockup when calling the USBDEVFS_SUBMITURB ioctl in an SMP 
kernel.

Tony

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--- devio.c.old Fri Mar 30 02:22:32 2001
+++ devio.c     Fri Mar 30 02:12:09 2001
@@ -175,6 +175,7 @@
                 return NULL;
         memset(as, 0, assize);
         as->urb.number_of_packets = numisoframes;
+        spin_lock_init(&as->urb.lock);
         return as;
 }
 
@@ -250,7 +251,7 @@
         struct dev_state *ps = as->ps;
        struct siginfo sinfo;
 
-#if 1
+#if 0
        printk(KERN_DEBUG "usbdevfs: async_completed: status %d errcount %d actlen %d 
pipe 0x%x\n", 
               urb->status, urb->error_count, urb->actual_length, urb->pipe);
 #endif