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authorIngo Molnar <mingo@kernel.org>2012-04-14 13:18:27 +0200
committerIngo Molnar <mingo@kernel.org>2012-04-14 13:19:04 +0200
commit6ac1ef482d7ae0c690f1640bf6eb818ff9a2d91e (patch)
tree021cc9f6b477146fcebe6f3be4752abfa2ba18a9 /drivers/usb/gadget/f_fs.c
parent682968e0c425c60f0dde37977e5beb2b12ddc4cc (diff)
parenta385ec4f11bdcf81af094c03e2444ee9b7fad2e5 (diff)
Merge branch 'perf/core' into perf/uprobes
Merge in latest upstream (and the latest perf development tree), to prepare for tooling changes, and also to pick up v3.4 MM changes that the uprobes code needs to take care of. Signed-off-by: Ingo Molnar <mingo@kernel.org>
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);
}