fs/fscache/object-list.c: use __seq_open_private()

Reduce boilerplate code by using __seq_open_private() instead of seq_open()
in fscache_objlist_open().

Signed-off-by: Rob Jones <rob.jones@codethink.co.uk>
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Steve Dickson <steved@redhat.com>
This commit is contained in:
Rob Jones 2014-09-17 09:56:40 +01:00 committed by David Howells
parent a30efe261b
commit d5d962265d

View file

@ -380,26 +380,14 @@ static void fscache_objlist_config(struct fscache_objlist_data *data)
static int fscache_objlist_open(struct inode *inode, struct file *file)
{
struct fscache_objlist_data *data;
struct seq_file *m;
int ret;
ret = seq_open(file, &fscache_objlist_ops);
if (ret < 0)
return ret;
m = file->private_data;
/* buffer for key extraction */
data = kmalloc(sizeof(struct fscache_objlist_data), GFP_KERNEL);
if (!data) {
seq_release(inode, file);
data = __seq_open_private(file, &fscache_objlist_ops, sizeof(*data));
if (!data)
return -ENOMEM;
}
/* get the configuration key */
fscache_objlist_config(data);
m->private = data;
return 0;
}