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path: root/drivers/usb/gadget
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-rw-r--r--drivers/usb/gadget/f_fs.c8
-rw-r--r--drivers/usb/gadget/inode.c13
2 files changed, 6 insertions, 15 deletions
diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c
index 7f445ec..1cbba70 100644
--- a/drivers/usb/gadget/f_fs.c
+++ b/drivers/usb/gadget/f_fs.c
@@ -1063,13 +1063,9 @@ static int ffs_sb_fill(struct super_block *sb, void *_data, int silent)
&simple_dir_operations,
&simple_dir_inode_operations,
&data->perms);
- if (unlikely(!inode))
+ sb->s_root = d_make_root(inode);
+ if (unlikely(!sb->s_root))
goto Enomem;
- sb->s_root = d_alloc_root(inode);
- if (unlikely(!sb->s_root)) {
- iput(inode);
- goto Enomem;
- }
/* EP0 file */
if (unlikely(!ffs_sb_create_file(sb, "ep0", ffs,
diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c
index 4f18a0e..8793f32 100644
--- a/drivers/usb/gadget/inode.c
+++ b/drivers/usb/gadget/inode.c
@@ -1571,20 +1571,18 @@ delegate:
static void destroy_ep_files (struct dev_data *dev)
{
- struct list_head *entry, *tmp;
-
DBG (dev, "%s %d\n", __func__, dev->state);
/* dev->state must prevent interference */
restart:
spin_lock_irq (&dev->lock);
- list_for_each_safe (entry, tmp, &dev->epfiles) {
+ while (!list_empty(&dev->epfiles)) {
struct ep_data *ep;
struct inode *parent;
struct dentry *dentry;
/* break link to FS */
- ep = list_entry (entry, struct ep_data, epfiles);
+ ep = list_first_entry (&dev->epfiles, struct ep_data, epfiles);
list_del_init (&ep->epfiles);
dentry = ep->dentry;
ep->dentry = NULL;
@@ -1607,8 +1605,7 @@ restart:
dput (dentry);
mutex_unlock (&parent->i_mutex);
- /* fds may still be open */
- goto restart;
+ spin_lock_irq (&dev->lock);
}
spin_unlock_irq (&dev->lock);
}
@@ -2061,10 +2058,8 @@ gadgetfs_fill_super (struct super_block *sb, void *opts, int silent)
if (!inode)
goto Enomem;
inode->i_op = &simple_dir_inode_operations;
- if (!(sb->s_root = d_alloc_root (inode))) {
- iput(inode);
+ if (!(sb->s_root = d_make_root (inode)))
goto Enomem;
- }
/* the ep0 file is named after the controller we expect;
* user mode code can use it for sanity checks, like we do.
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