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maple_tree: no need to rcu_dereference in mtree_empty()
authorMatthew Wilcox (Oracle) <willy@infradead.org>
Mon, 2 Mar 2020 21:09:00 +0000 (16:09 -0500)
committerLiam R. Howlett <Liam.Howlett@Oracle.com>
Tue, 5 Jan 2021 17:28:25 +0000 (12:28 -0500)
commitd1cb2dc4b078ea0408a29be6d464b106ac3ada00
tree879398b4a99bb12b2ed12ddc39f94fafb683c4aftree
parenta6fbbc0182ab4ff97483e46239ffc6b10ecd06c5commit | diff
maple_tree: no need to rcu_dereference in mtree_empty()

Since we're only comparing the value of the pointer to NULL, we
don't need to use rcu_dereference().  This is explicitly documented
in Documentation/RCU/rcu_dereference.rst.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
include/linux/maple_tree.h diff | blob | history
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