linux-kernel - [tip: locking/core] media/atomisp: Use lockdep instead of *mutex_is

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Message-ID: <162923127284.25758.14022052494381176514.tip-bot2@tip-bot2>
Date:   Tue, 17 Aug 2021 20:14:32 -0000
From:   "tip-bot2 for Peter Zijlstra" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     "Peter Zijlstra (Intel)" <peterz@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...nel.org>, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: [tip: locking/core] media/atomisp: Use lockdep instead of *mutex_is_locked()

The following commit has been merged into the locking/core branch of tip:

Commit-ID:     e14c4bd12478faa13a0aceeeea6f964ff8521101
Gitweb:        https://git.kernel.org/tip/e14c4bd12478faa13a0aceeeea6f964ff8521101
Author:        Peter Zijlstra <peterz@...radead.org>
AuthorDate:    Sun, 15 Aug 2021 23:27:51 +02:00
Committer:     Ingo Molnar <mingo@...nel.org>
CommitterDate: Tue, 17 Aug 2021 16:59:15 +02:00

media/atomisp: Use lockdep instead of *mutex_is_locked()

The only user of rt_mutex_is_locked() is an anti-pattern, remove it.

Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Signed-off-by: Ingo Molnar <mingo@...nel.org>
Link: https://lore.kernel.org/r/20210815211302.491442626@linutronix.de
---
 drivers/staging/media/atomisp/pci/atomisp_ioctl.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/media/atomisp/pci/atomisp_ioctl.c b/drivers/staging/media/atomisp/pci/atomisp_ioctl.c
index 6f5fe50..c8a6256 100644
--- a/drivers/staging/media/atomisp/pci/atomisp_ioctl.c
+++ b/drivers/staging/media/atomisp/pci/atomisp_ioctl.c
@@ -1904,8 +1904,8 @@ int __atomisp_streamoff(struct file *file, void *fh, enum v4l2_buf_type type)
 	dev_dbg(isp->dev, "Stop stream on pad %d for asd%d\n",
 		atomisp_subdev_source_pad(vdev), asd->index);
 
-	BUG_ON(!rt_mutex_is_locked(&isp->mutex));
-	BUG_ON(!mutex_is_locked(&isp->streamoff_mutex));
+	lockdep_assert_held(&isp->mutex);
+	lockdep_assert_held(&isp->streamoff_mutex);
 
 	if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
 		dev_dbg(isp->dev, "unsupported v4l2 buf type\n");