diff options
Diffstat (limited to 'ipc')
| -rw-r--r-- | ipc/shm.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/ipc/shm.c b/ipc/shm.c index 99564c870084..492fcc699985 100644 --- a/ipc/shm.c +++ b/ipc/shm.c @@ -431,8 +431,11 @@ static int shm_try_destroy_orphaned(int id, void *p, void *data) void shm_destroy_orphaned(struct ipc_namespace *ns) { down_write(&shm_ids(ns).rwsem); - if (shm_ids(ns).in_use) + if (shm_ids(ns).in_use) { + rcu_read_lock(); idr_for_each(&shm_ids(ns).ipcs_idr, &shm_try_destroy_orphaned, ns); + rcu_read_unlock(); + } up_write(&shm_ids(ns).rwsem); } |