CRED: Wrap current->cred and a few other accessors

Wrap current->cred and a few other accessors to hide their actual
implementation.

Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: James Morris <jmorris@namei.org>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Signed-off-by: James Morris <jmorris@namei.org>

1 files changed, 3 insertions, 2 deletions

diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index 870a721b8bd2..7d479ce3aceb 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -951,6 +951,7 @@ struct file *hugetlb_file_setup(const char *name, size_t size)
         struct inode *inode;
         struct dentry *dentry, *root;
         struct qstr quick_string;
+        struct user_struct *user = current_user();
 
         if (!hugetlbfs_vfsmount)
                 return ERR_PTR(-ENOENT);
@@ -958,7 +959,7 @@ struct file *hugetlb_file_setup(const char *name, size_t size)
         if (!can_do_hugetlb_shm())
                 return ERR_PTR(-EPERM);
 
-        if (!user_shm_lock(size, current->cred->user))
+        if (!user_shm_lock(size, user))
                 return ERR_PTR(-ENOMEM);
 
         root = hugetlbfs_vfsmount->mnt_root;
@@ -998,7 +999,7 @@ out_inode:
 out_dentry:
         dput(dentry);
 out_shm_unlock:
-        user_shm_unlock(size, current->cred->user);
+        user_shm_unlock(size, user);
         return ERR_PTR(error);
 }