[src/riastradh-drm2]: src/sys/external/bsd/drm2/dist/drm Destroy mm->unused_l...

[riastradh <riastradh%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/67de812e482e
branches:  riastradh-drm2
changeset: 788463:67de812e482e
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Wed Jul 24 03:55:32 2013 +0000

description:
Destroy mm->unused_lock in drm_mm_takedown.

diffstat:

 sys/external/bsd/drm2/dist/drm/drm_mm.c |  6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diffs (16 lines):

diff -r 58c165710d73 -r 67de812e482e sys/external/bsd/drm2/dist/drm/drm_mm.c
--- a/sys/external/bsd/drm2/dist/drm/drm_mm.c   Wed Jul 24 03:55:17 2013 +0000
+++ b/sys/external/bsd/drm2/dist/drm/drm_mm.c   Wed Jul 24 03:55:32 2013 +0000
@@ -684,6 +684,12 @@
        }
        spin_unlock(&mm->unused_lock);
 
+       /*
+        * XXX The locking above can't be right -- either it is
+        * unnecessary or it is insufficient.
+        */
+       spin_lock_destroy(&mm->unused_lock);
+
        BUG_ON(mm->num_unused != 0);
 }
 EXPORT_SYMBOL(drm_mm_takedown);