If we deleted an entry through an index which looked up a sibling pointer, we'd end up zeroing out the wrong slots in the node. Use get_slot_offset() to find the right slot. Signed-off-by: Matthew Wilcox <willy@xxxxxxxxxxxxxxx> Reviewed-by: Ross Zwisler <ross.zwisler@xxxxxxxxxxxxxxx> --- lib/radix-tree.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/radix-tree.c b/lib/radix-tree.c index c0366d1..b3364b9 100644 --- a/lib/radix-tree.c +++ b/lib/radix-tree.c @@ -1558,7 +1558,7 @@ void *radix_tree_delete_item(struct radix_tree_root *root, return entry; } - offset = index & RADIX_TREE_MAP_MASK; + offset = get_slot_offset(node, slot); /* * Clear all tags associated with the item to be deleted. -- 2.8.0.rc3 -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
