switch shmem_file_setup() to alloc_file()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/mm/shmem.c b/mm/shmem.c
index 4fb41c8..ef8f474 100644 (file)
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -2647,32 +2647,29 @@ struct file *shmem_file_setup(const char *name, loff_t size, unsigned long flags
        if (!dentry)
                goto put_memory;
 
-       error = -ENFILE;
-       file = get_empty_filp();
-       if (!file)
-               goto put_dentry;
-
        error = -ENOSPC;
        inode = shmem_get_inode(root->d_sb, S_IFREG | S_IRWXUGO, 0, flags);
        if (!inode)
-               goto close_file;
+               goto put_dentry;
 
        d_instantiate(dentry, inode);
        inode->i_size = size;
        inode->i_nlink = 0;     /* It is unlinked */
-       init_file(file, shm_mnt, dentry, FMODE_WRITE | FMODE_READ,
-                 &shmem_file_operations);
-
 #ifndef CONFIG_MMU
        error = ramfs_nommu_expand_for_mapping(inode, size);
        if (error)
-               goto close_file;
+               goto put_dentry;
 #endif
+
+       error = -ENFILE;
+       file = alloc_file(shm_mnt, dentry, FMODE_WRITE | FMODE_READ,
+                 &shmem_file_operations);
+       if (!file)
+               goto put_dentry;
+
        ima_counts_get(file);
        return file;
 
-close_file:
-       put_filp(file);
 put_dentry:
        dput(dentry);
 put_memory: