tree 83ad10f4dda426ee3708bc67c9fc88b6c1c8cc34
parent 0dabec93de633a87adfbbe1d800a4c56cd19d73b
author Hugh Dickins <hughd@google.com> 1320106022 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1320107445 -0700

radix_tree: clean away saw_unset_tag leftovers

radix_tree_tag_get()'s BUG (when it sees a tag after saw_unset_tag) was
unsafe and removed in 2.6.34, but the pointless saw_unset_tag left behind.

Remove it now, and return 0 as soon as we see unset tag - we already rely
upon the root tag to be correct, returning 0 immediately if it's not set.

Signed-off-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>