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authorAl Viro <viro@zeniv.linux.org.uk>2014-09-03 13:37:56 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2014-10-09 02:39:14 -0400
commitfb6c3225b49d389ff4a9a454fc8c3f3642632744 (patch)
tree112896806b51f47dafed5a1516a757ec1878bb56 /drivers/usb
parent1bb27cacf4992b77556ed4487f99c76c4af3b43d (diff)
downloadop-kernel-dev-fb6c3225b49d389ff4a9a454fc8c3f3642632744.zip
op-kernel-dev-fb6c3225b49d389ff4a9a454fc8c3f3642632744.tar.gz
gadgetfs: saner API for gadgetfs_create_file()
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>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/gadget/legacy/inode.c26
1 files changed, 10 insertions, 16 deletions
diff --git a/drivers/usb/gadget/legacy/inode.c b/drivers/usb/gadget/legacy/inode.c
index e96077b..69202cd 100644
--- a/drivers/usb/gadget/legacy/inode.c
+++ b/drivers/usb/gadget/legacy/inode.c
@@ -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;
}
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