diff options
| -rw-r--r-- | include/linux/rhashtable.h | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/include/linux/rhashtable.h b/include/linux/rhashtable.h index af967c4c7591..36826c0166c5 100644 --- a/include/linux/rhashtable.h +++ b/include/linux/rhashtable.h | |||
| @@ -123,11 +123,6 @@ void rhashtable_destroy(const struct rhashtable *ht); | |||
| 123 | typeof(ptr) __ptr = (ptr); \ | 123 | typeof(ptr) __ptr = (ptr); \ |
| 124 | __ptr ? rht_entry(__ptr, type, member) : NULL; \ | 124 | __ptr ? rht_entry(__ptr, type, member) : NULL; \ |
| 125 | }) | 125 | }) |
| 126 | #define rht_entry_safe_rcu(ptr, type, member) \ | ||
| 127 | ({ \ | ||
| 128 | typeof(*ptr) __rcu *__ptr = (typeof(*ptr) __rcu __force *)ptr; \ | ||
| 129 | __ptr ? container_of((typeof(ptr))rcu_dereference_raw(__ptr), type, member) : NULL; \ | ||
| 130 | }) | ||
| 131 | 126 | ||
| 132 | #define rht_next_entry_safe(pos, ht, member) \ | 127 | #define rht_next_entry_safe(pos, ht, member) \ |
| 133 | ({ \ | 128 | ({ \ |
| @@ -204,9 +199,10 @@ void rhashtable_destroy(const struct rhashtable *ht); | |||
| 204 | * traversal is guarded by rcu_read_lock(). | 199 | * traversal is guarded by rcu_read_lock(). |
| 205 | */ | 200 | */ |
| 206 | #define rht_for_each_entry_rcu(pos, head, member) \ | 201 | #define rht_for_each_entry_rcu(pos, head, member) \ |
| 207 | for (pos = rht_entry_safe_rcu(head, typeof(*(pos)), member); \ | 202 | for (pos = rht_entry_safe(rcu_dereference_raw(head), \ |
| 203 | typeof(*(pos)), member); \ | ||
| 208 | pos; \ | 204 | pos; \ |
| 209 | pos = rht_entry_safe_rcu((pos)->member.next, \ | 205 | pos = rht_entry_safe(rcu_dereference_raw((pos)->member.next), \ |
| 210 | typeof(*(pos)), member)) | 206 | typeof(*(pos)), member)) |
| 211 | 207 | ||
| 212 | #endif /* _LINUX_RHASHTABLE_H */ | 208 | #endif /* _LINUX_RHASHTABLE_H */ |
