1 files changed, 2 insertions, 3 deletions

diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 65fb5e8ea941..35eb8de892fc 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -181,11 +181,10 @@ static int inode_alloc_security(struct inode *inode)
         struct task_security_struct *tsec = current->security;
         struct inode_security_struct *isec;
 
-        isec = kmem_cache_alloc(sel_inode_cache, GFP_KERNEL);
+        isec = kmem_cache_zalloc(sel_inode_cache, GFP_KERNEL);
         if (!isec)
                 return -ENOMEM;
 
-        memset(isec, 0, sizeof(*isec));
         mutex_init(&isec->lock);
         INIT_LIST_HEAD(&isec->list);
         isec->inode = inode;
@@ -2655,7 +2654,7 @@ static int selinux_file_send_sigiotask(struct task_struct *tsk,
         struct file_security_struct *fsec;
 
         /* struct fown_struct is never outside the context of a struct file */
-        file = (struct file *)((long)fown - offsetof(struct file,f_owner));
+        file = container_of(fown, struct file, f_owner);
 
         tsec = tsk->security;
         fsec = file->f_security;