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authorPeter Zijlstra <a.p.zijlstra@chello.nl>2006-06-23 02:03:25 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-23 07:42:49 -0700
commit4c91c3648c620003cb7b21b8858f36cd6132e168 (patch)
tree6572fedb9a18ba0b31695f1ba30a219621b6f20a /fs/fs-writeback.c
parent58ce1fd5805647a58a050bbbbd2252ea5ecb47b3 (diff)
[PATCH] buglet in radix_tree_tag_set
The comment states: 'Setting a tag on a not-present item is a BUG.' Hence if 'index' is larger than the maxindex; the item _cannot_ be presen; it should also be a BUG. Also, this allows the following statement (assume a fresh tree): radix_tree_tag_set(root, 16, 1); to fail silently, but when preceded by: radix_tree_insert(root, 32, item); it would BUG, because the height has been extended by the insert. In neither case was 16 present. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Acked-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/fs-writeback.c')
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