Merge branch 'for-next' into for-linus
[safe/jmp/linux-2.6] / drivers / telephony / phonedev.c
index 4d8c2a5..f3873f6 100644 (file)
@@ -8,7 +8,7 @@
  *              as published by the Free Software Foundation; either version
  *              2 of the License, or (at your option) any later version.
  *
- * Author:      Alan Cox, <alan@redhat.com>
+ * Author:      Alan Cox, <alan@lxorguk.ukuu.org.uk>
  *
  * Fixes:       Mar 01 2000 Thomas Sparr, <thomas.l.sparr@telia.com>
  *              phone_register_device now works with unit!=PHONE_UNIT_ANY
@@ -120,9 +120,8 @@ int phone_register_device(struct phone_device *p, int unit)
 void phone_unregister_device(struct phone_device *pfd)
 {
        mutex_lock(&phone_lock);
-       if (phone_device[pfd->minor] != pfd)
-               panic("phone: bad unregister");
-       phone_device[pfd->minor] = NULL;
+       if (likely(phone_device[pfd->minor] == pfd))
+               phone_device[pfd->minor] = NULL;
        mutex_unlock(&phone_lock);
 }