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authorElena Reshetova <elena.reshetova@intel.com>2017-03-06 17:21:00 +0300
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2017-04-05 21:31:57 +0300
commit6c4bb65d0be8f34bc0aba982c9a47b19a1eea5ed (patch)
tree37e956f83c6ba7e2870172f6c540b3a3a4f9aee9 /include/media
parenta8d8e38a9337cc6b46ef6c66db65130fb61050dd (diff)
downloadlinux-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 'include/media')
-rw-r--r--include/media/videobuf2-memops.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/media/videobuf2-memops.h b/include/media/videobuf2-memops.h
index 36565c7acb54..a6ed091b79ce 100644
--- a/include/media/videobuf2-memops.h
+++ b/include/media/videobuf2-memops.h
@@ -16,6 +16,7 @@
#include <media/videobuf2-v4l2.h>
#include <linux/mm.h>
+#include <linux/refcount.h>
/**
* struct vb2_vmarea_handler - common vma refcount tracking handler
@@ -25,7 +26,7 @@
* @arg: argument for @put callback
*/
struct vb2_vmarea_handler {
- atomic_t *refcount;
+ refcount_t *refcount;
void (*put)(void *arg);
void *arg;
};