Merge branch 'for-4.15-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj...

[linux-2.6-block.git] / ipc / sem.c

diff --git a/ipc/sem.c b/ipc/sem.c
index a5cff0e109ab5a56fbbd3286cf96e625e99c1b53..87bd38f38dc328529ef2f6854a7a3d1e945bd9a0 100644 (file)
--- a/ipc/sem.c
+++ b/ipc/sem.c
@@ -515,6 +515,7 @@ static int newary(struct ipc_namespace *ns, struct ipc_params *params)
        sma->sem_nsems = nsems;
        sma->sem_ctime = ktime_get_real_seconds();
 
+       /* ipc_addid() locks sma upon success. */
        retval = ipc_addid(&sem_ids(ns), &sma->sem_perm, ns->sc_semmni);
        if (retval < 0) {
                call_rcu(&sma->sem_perm.rcu, sem_rcu_free);