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authorJoel Stanley <joel@jms.id.au>2020-08-10 07:07:46 +0300
committerJoel Stanley <joel@jms.id.au>2020-08-10 07:07:49 +0300
commit4789fd48a313d36fe6b8fc1da5e0788f5ea074cb (patch)
tree2c8c27b52f0e38abb7416ce81b04c3b85511b694 /include/linux/rhashtable.h
parent8a9b346382056b52cd7ff141ae9f15a0fcfeb13d (diff)
parentd9939285fc818425ae92bd99f8c97b6b9ef3bb88 (diff)
downloadlinux-dev-5.4.tar.xz
Merge tag 'v5.4.57' into dev-5.4dev-5.4
This is the 5.4.57 stable release Signed-off-by: Joel Stanley <joel@jms.id.au>
Diffstat (limited to 'include/linux/rhashtable.h')
-rw-r--r--include/linux/rhashtable.h25
1 files changed, 13 insertions, 12 deletions
diff --git a/include/linux/rhashtable.h b/include/linux/rhashtable.h
index beb9a9da1699..c5bf21261bb1 100644
--- a/include/linux/rhashtable.h
+++ b/include/linux/rhashtable.h
@@ -349,11 +349,11 @@ static inline void rht_unlock(struct bucket_table *tbl,
local_bh_enable();
}
-static inline struct rhash_head __rcu *__rht_ptr(
- struct rhash_lock_head *const *bkt)
+static inline struct rhash_head *__rht_ptr(
+ struct rhash_lock_head *p, struct rhash_lock_head __rcu *const *bkt)
{
- return (struct rhash_head __rcu *)
- ((unsigned long)*bkt & ~BIT(0) ?:
+ return (struct rhash_head *)
+ ((unsigned long)p & ~BIT(0) ?:
(unsigned long)RHT_NULLS_MARKER(bkt));
}
@@ -365,25 +365,26 @@ static inline struct rhash_head __rcu *__rht_ptr(
* access is guaranteed, such as when destroying the table.
*/
static inline struct rhash_head *rht_ptr_rcu(
- struct rhash_lock_head *const *bkt)
+ struct rhash_lock_head *const *p)
{
- struct rhash_head __rcu *p = __rht_ptr(bkt);
-
- return rcu_dereference(p);
+ struct rhash_lock_head __rcu *const *bkt = (void *)p;
+ return __rht_ptr(rcu_dereference(*bkt), bkt);
}
static inline struct rhash_head *rht_ptr(
- struct rhash_lock_head *const *bkt,
+ struct rhash_lock_head *const *p,
struct bucket_table *tbl,
unsigned int hash)
{
- return rht_dereference_bucket(__rht_ptr(bkt), tbl, hash);
+ struct rhash_lock_head __rcu *const *bkt = (void *)p;
+ return __rht_ptr(rht_dereference_bucket(*bkt, tbl, hash), bkt);
}
static inline struct rhash_head *rht_ptr_exclusive(
- struct rhash_lock_head *const *bkt)
+ struct rhash_lock_head *const *p)
{
- return rcu_dereference_protected(__rht_ptr(bkt), 1);
+ struct rhash_lock_head __rcu *const *bkt = (void *)p;
+ return __rht_ptr(rcu_dereference_protected(*bkt, 1), bkt);
}
static inline void rht_assign_locked(struct rhash_lock_head **bkt,