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path: root/drivers/usb/gadget/f_fs.c
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Diffstat (limited to 'drivers/usb/gadget/f_fs.c')
-rw-r--r--drivers/usb/gadget/f_fs.c14
1 files changed, 4 insertions, 10 deletions
diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c
index f63dc6c150d2..1cbba70836bc 100644
--- a/drivers/usb/gadget/f_fs.c
+++ b/drivers/usb/gadget/f_fs.c
@@ -2,7 +2,7 @@
* f_fs.c -- user mode file system API for USB composite function controllers
*
* Copyright (C) 2010 Samsung Electronics
- * Author: Michal Nazarewicz <m.nazarewicz@samsung.com>
+ * Author: Michal Nazarewicz <mina86@mina86.com>
*
* Based on inode.c (GadgetFS) which was:
* Copyright (C) 2003-2004 David Brownell
@@ -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,
@@ -1258,9 +1254,7 @@ static void ffs_data_put(struct ffs_data *ffs)
if (unlikely(atomic_dec_and_test(&ffs->ref))) {
pr_info("%s(): freeing\n", __func__);
ffs_data_clear(ffs);
- BUG_ON(mutex_is_locked(&ffs->mutex) ||
- spin_is_locked(&ffs->ev.waitq.lock) ||
- waitqueue_active(&ffs->ev.waitq) ||
+ BUG_ON(waitqueue_active(&ffs->ev.waitq) ||
waitqueue_active(&ffs->ep0req_completion.wait));
kfree(ffs);
}