diff options
Diffstat (limited to 'ipc/sem.c')
| -rw-r--r-- | ipc/sem.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/ipc/sem.c b/ipc/sem.c index b2698ebdcb31..87bd38f38dc3 100644 --- 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); @@ -1637,10 +1638,10 @@ static int copy_compat_semid_from_user(struct semid64_ds *out, void __user *buf, { memset(out, 0, sizeof(*out)); if (version == IPC_64) { - struct compat_semid64_ds *p = buf; + struct compat_semid64_ds __user *p = buf; return get_compat_ipc64_perm(&out->sem_perm, &p->sem_perm); } else { - struct compat_semid_ds *p = buf; + struct compat_semid_ds __user *p = buf; return get_compat_ipc_perm(&out->sem_perm, &p->sem_perm); } } |