Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
iio: buffer-dma: Use lockdep for locking annotations
Don't use mutex_is_locked() + WARN_ON() for checking if a specif lock is
taken. Instead use the existing annotations which means
lockdep_assert_held().
Signed-off-by: Nuno Sá <nuno.sa@analog.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
authored by
Nuno Sá
and committed by
Jonathan Cameron
09ccc1b6
0a272aaf
+2
-1
+2
-1
drivers/iio/buffer/industrialio-buffer-dma.c
+2
-1
drivers/iio/buffer/industrialio-buffer-dma.c
···
6
6
7
7
#include <linux/atomic.h>
8
8
#include <linux/cleanup.h>
9
+
#include <linux/lockdep.h>
9
10
#include <linux/slab.h>
10
11
#include <linux/kernel.h>
11
12
#include <linux/module.h>
···
765
764
bool cookie;
766
765
int ret;
767
766
768
-
WARN_ON(!mutex_is_locked(&queue->lock));
767
+
lockdep_assert_held(&queue->lock);
769
768
770
769
cookie = dma_fence_begin_signalling();
771
770