Commit db4374f4 authored Mar 16, 2015 by Thomas Graf Committed by David S. Miller Mar 16, 2015

rhashtable: Annotate RCU locking of walkers

Fixes the following sparse warnings:

lib/rhashtable.c:767:5: warning: context imbalance in 'rhashtable_walk_start' - wrong count at exit
lib/rhashtable.c:849:6: warning: context imbalance in 'rhashtable_walk_stop' - unexpected unlock

Fixes: f2dba9c6 ("rhashtable: Introduce rhashtable_walk_*")
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 04f49faf

lib/rhashtable.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -760,6 +760,7 @@ EXPORT_SYMBOL_GPL(rhashtable_walk_exit);
		* by calling rhashtable_walk_next.
		*/
		int rhashtable_walk_start(struct rhashtable_iter *iter)
		__acquires(RCU)
		{
		struct rhashtable *ht = iter->ht;

		@@ -847,6 +848,7 @@ EXPORT_SYMBOL_GPL(rhashtable_walk_next);
		* Finish a hash table walk.
		*/
		void rhashtable_walk_stop(struct rhashtable_iter *iter)
		__releases(RCU)
		{
		struct rhashtable *ht;
		struct bucket_table *tbl = iter->walker->tbl;