linux-kernel - [PATCH 09/13] usb: gadget: f_fs: Remove lock is held before freeing checks

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Date:	Tue, 27 Mar 2012 17:47:13 -0700
From:	Andi Kleen <andi@...stfloor.org>
To:	akpm@...ux-foundation.org
Cc:	linux-kernel@...r.kernel.org, Andi Kleen <ak@...ux.intel.com>,
	balbi@...com, gregkh@...uxfoundation.org
Subject: [PATCH 09/13] usb: gadget: f_fs: Remove lock is held before freeing checks

From: Andi Kleen <ak@...ux.intel.com>

lock debugging already supports this, no need to do it explicitely.

Cc: balbi@...com
Cc: gregkh@...uxfoundation.org
Signed-off-by: Andi Kleen <ak@...ux.intel.com>
---
 drivers/usb/gadget/f_fs.c |    4 +---
 1 files changed, 1 insertions(+), 3 deletions(-)

diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c
index f63dc6c..c5e8994 100644
--- a/drivers/usb/gadget/f_fs.c
+++ b/drivers/usb/gadget/f_fs.c
@@ -1258,9 +1258,7 @@ 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);
 	}
-- 
1.7.7.6

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