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| author | Elena Reshetova <elena.reshetova@intel.com> | 2017-03-06 17:21:00 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2017-04-05 21:31:57 +0300 |
| commit | 6c4bb65d0be8f34bc0aba982c9a47b19a1eea5ed (patch) | |
| tree | 37e956f83c6ba7e2870172f6c540b3a3a4f9aee9 /drivers/media/v4l2-core/videobuf2-memops.c | |
| parent | a8d8e38a9337cc6b46ef6c66db65130fb61050dd (diff) | |
| download | linux-6c4bb65d0be8f34bc0aba982c9a47b19a1eea5ed.tar.xz | |
[media] vb2: convert vb2_vmarea_handler refcount from atomic_t to refcount_t
Use refcount_t to manage the refcount to the memory type specific buffer
videobuf2 buffer implementations. refcount_t is better suitable for the
purpose than atomic_t.
Signed-off-by: Elena Reshetova <elena.reshetova@intel.com>
Signed-off-by: Hans Liljestrand <ishkamiel@gmail.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David Windsor <dwindsor@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers/media/v4l2-core/videobuf2-memops.c')
| -rw-r--r-- | drivers/media/v4l2-core/videobuf2-memops.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/media/v4l2-core/videobuf2-memops.c b/drivers/media/v4l2-core/videobuf2-memops.c index 1cd322e939c7..4bb8424114ce 100644 --- a/drivers/media/v4l2-core/videobuf2-memops.c +++ b/drivers/media/v4l2-core/videobuf2-memops.c @@ -96,10 +96,10 @@ static void vb2_common_vm_open(struct vm_area_struct *vma) struct vb2_vmarea_handler *h = vma->vm_private_data; pr_debug("%s: %p, refcount: %d, vma: %08lx-%08lx\n", - __func__, h, atomic_read(h->refcount), vma->vm_start, + __func__, h, refcount_read(h->refcount), vma->vm_start, vma->vm_end); - atomic_inc(h->refcount); + refcount_inc(h->refcount); } /** @@ -114,7 +114,7 @@ static void vb2_common_vm_close(struct vm_area_struct *vma) struct vb2_vmarea_handler *h = vma->vm_private_data; pr_debug("%s: %p, refcount: %d, vma: %08lx-%08lx\n", - __func__, h, atomic_read(h->refcount), vma->vm_start, + __func__, h, refcount_read(h->refcount), vma->vm_start, vma->vm_end); h->put(h->arg); |