commit db4374f48a6c31c02f6ad1d19b257c186b443c0c
author Thomas Graf <tgraf@suug.ch> Mon Mar 16 10:42:27 2015 +0100
committer David S. Miller <davem@davemloft.net> Mon Mar 16 16:24:13 2015 -0400
tree 5beff1d733980c3458741777e4513682d6cd3674
parent 04f49faf70d4c056cd6576ff0614bb54e7a70bbc

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: f2dba9c6ff0d ("rhashtable: Introduce rhashtable_walk_*")
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

lib/rhashtable.c

diff --git a/lib/rhashtable.c b/lib/rhashtable.c
index c523d3a..eae26a6 100644
--- a/lib/rhashtable.c
+++ b/lib/rhashtable.c
@@ -760,6 +760,7 @@
  * by calling rhashtable_walk_next.
  */
 int rhashtable_walk_start(struct rhashtable_iter *iter)
+	__acquires(RCU)
 {
 	struct rhashtable *ht = iter->ht;
 
@@ -847,6 +848,7 @@
  * 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;