clean shmem_file_setup() a bit
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/mm/shmem.c b/mm/shmem.c
index abf07f7..8b4c198 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -2873,15 +2873,14 @@
*/
struct file *shmem_file_setup(const char *name, loff_t size, unsigned long flags)
{
- int error;
- struct file *file;
+ struct file *res;
struct inode *inode;
struct path path;
struct dentry *root;
struct qstr this;
if (IS_ERR(shm_mnt))
- return (void *)shm_mnt;
+ return ERR_CAST(shm_mnt);
if (size < 0 || size > MAX_LFS_FILESIZE)
return ERR_PTR(-EINVAL);
@@ -2889,7 +2888,7 @@
if (shmem_acct_size(flags, size))
return ERR_PTR(-ENOMEM);
- error = -ENOMEM;
+ res = ERR_PTR(-ENOMEM);
this.name = name;
this.len = strlen(name);
this.hash = 0; /* will go */
@@ -2899,7 +2898,7 @@
goto put_memory;
path.mnt = mntget(shm_mnt);
- error = -ENOSPC;
+ res = ERR_PTR(-ENOSPC);
inode = shmem_get_inode(root->d_sb, NULL, S_IFREG | S_IRWXUGO, 0, flags);
if (!inode)
goto put_dentry;
@@ -2909,23 +2908,23 @@
clear_nlink(inode); /* It is unlinked */
#ifndef CONFIG_MMU
error = ramfs_nommu_expand_for_mapping(inode, size);
+ res = ERR_PTR(error);
if (error)
goto put_dentry;
#endif
- file = alloc_file(&path, FMODE_WRITE | FMODE_READ,
+ res = alloc_file(&path, FMODE_WRITE | FMODE_READ,
&shmem_file_operations);
- error = PTR_ERR(file);
- if (IS_ERR(file))
+ if (IS_ERR(res))
goto put_dentry;
- return file;
+ return res;
put_dentry:
path_put(&path);
put_memory:
shmem_unacct_size(flags, size);
- return ERR_PTR(error);
+ return res;
}
EXPORT_SYMBOL_GPL(shmem_file_setup);