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gadgetfs: saner API for gadgetfs_create_file()

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return dentry, not inode.  dev->inode is never used by anything,
don't bother with storing it.

Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2014-09-03 13:37:56 -04:00
parent 1bb27cacf4
commit fb6c3225b4
1 changed files with 10 additions and 16 deletions
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26
drivers/usb/gadget/legacy/inode.c
View File

@ -198,7 +198,6 @@ struct ep_data {
struct list_head epfiles;
wait_queue_head_t wait;
struct dentry *dentry;
struct inode *inode;
};
static inline void get_ep (struct ep_data *data)
@ -1618,10 +1617,9 @@ static void destroy_ep_files (struct dev_data *dev)
}
static struct inode *
static struct dentry *
gadgetfs_create_file (struct super_block *sb, char const *name,
void *data, const struct file_operations *fops,
struct dentry **dentry_p);
void *data, const struct file_operations *fops);
static int activate_ep_files (struct dev_data *dev)
{
@ -1649,10 +1647,9 @@ static int activate_ep_files (struct dev_data *dev)
if (!data->req)
goto enomem1;
data->inode = gadgetfs_create_file (dev->sb, data->name,
data, &ep_config_operations,
&data->dentry);
if (!data->inode)
data->dentry = gadgetfs_create_file (dev->sb, data->name,
data, &ep_config_operations);
if (!data->dentry)
goto enomem2;
list_add_tail (&data->epfiles, &dev->epfiles);
}
@ -2011,10 +2008,9 @@ gadgetfs_make_inode (struct super_block *sb,
/* creates in fs root directory, so non-renamable and non-linkable.
* so inode and dentry are paired, until device reconfig.
*/
static struct inode *
static struct dentry *
gadgetfs_create_file (struct super_block *sb, char const *name,
void *data, const struct file_operations *fops,
struct dentry **dentry_p)
void *data, const struct file_operations *fops)
{
struct dentry *dentry;
struct inode *inode;
@ -2030,8 +2026,7 @@ gadgetfs_create_file (struct super_block *sb, char const *name,
return NULL;
}
d_add (dentry, inode);
*dentry_p = dentry;
return inode;
return dentry;
}
static const struct super_operations gadget_fs_operations = {
@ -2079,9 +2074,8 @@ gadgetfs_fill_super (struct super_block *sb, void *opts, int silent)
goto Enomem;
dev->sb = sb;
if (!gadgetfs_create_file (sb, CHIP,
dev, &dev_init_operations,
&dev->dentry)) {
dev->dentry = gadgetfs_create_file(sb, CHIP, dev, &dev_init_operations);
if (!dev->dentry) {
put_dev(dev);
goto Enomem;
}