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authorLinus Torvalds2014-09-12 18:24:46 +0200
committerLinus Torvalds2014-09-12 18:24:46 +0200
commit96ea975bfeec855d119bb93df885d7f18452856a (patch)
treec6d9f59ff6a08f8abd52f00cdb1a6cfdbd043814
parentMerge tag 'fbdev-fixes-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git... (diff)
parentKEYS: Fix termination condition in assoc array garbage collection (diff)
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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull assoc array garbage collection fix from James Morris. * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: KEYS: Fix termination condition in assoc array garbage collection
-rw-r--r--lib/assoc_array.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/assoc_array.c b/lib/assoc_array.c
index ae146f0734eb..2404d03e251a 100644
--- a/lib/assoc_array.c
+++ b/lib/assoc_array.c
@@ -1723,11 +1723,13 @@ ascend_old_tree:
shortcut = assoc_array_ptr_to_shortcut(ptr);
slot = shortcut->parent_slot;
cursor = shortcut->back_pointer;
+ if (!cursor)
+ goto gc_complete;
} else {
slot = node->parent_slot;
cursor = ptr;
}
- BUG_ON(!ptr);
+ BUG_ON(!cursor);
node = assoc_array_ptr_to_node(cursor);
slot++;
goto continue_node;