[patch V3 08/64] media/atomisp: Use lockdep instead of *mutex_is_locked()

Thomas Gleixner
2021-08-05T15:41:56Z

From: Peter Zijlstra <peterz@infradead.org>

Subject: [patch V3 08/64] 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@infradead.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20210714100719.GA11408@worktop.programming.kicks-ass.net
---

---
drivers/staging/media/atomisp/pci/atomisp_ioctl.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

--- 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 *fil
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");