1 files changed, 2 insertions, 1 deletions

diff --git a/ipc/sem.c b/ipc/sem.c
index 9e70cd7a17da..38371e93bfa5 100644
--- a/ipc/sem.c
+++ b/ipc/sem.c
@@ -2179,7 +2179,8 @@ void exit_sem(struct task_struct *tsk)
 static int sysvipc_sem_proc_show(struct seq_file *s, void *it)
 {
         struct user_namespace *user_ns = seq_user_ns(s);
-        struct sem_array *sma = it;
+        struct kern_ipc_perm *ipcp = it;
+        struct sem_array *sma = container_of(ipcp, struct sem_array, sem_perm);
         time_t sem_otime;
 
         /*