1 files changed, 3 insertions, 1 deletions

diff --git a/ipc/shm.c b/ipc/shm.c
index 28a444861a8f..8828b4c3a190 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -1380,9 +1380,11 @@ SYSCALL_DEFINE1(shmdt, char __user *, shmaddr)
 static int sysvipc_shm_proc_show(struct seq_file *s, void *it)
 {
         struct user_namespace *user_ns = seq_user_ns(s);
-        struct shmid_kernel *shp = it;
+        struct kern_ipc_perm *ipcp = it;
+        struct shmid_kernel *shp;
         unsigned long rss = 0, swp = 0;
 
+        shp = container_of(ipcp, struct shmid_kernel, shm_perm);
         shm_add_rss_swap(shp, &rss, &swp);
 
 #if BITS_PER_LONG <= 32