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Subject: media: use struct_size() helper
Author: Yu Liao <liaoy...@huawei.com>
Date: Wed Aug 16 14:31:43 2023 +0800
Prefer struct_size() over open-coded versions of idiom:
sizeof(struct-with-flex-array) + sizeof(typeof-flex-array-elements) * count
where count is the max number of items the flexible array is supposed to
contain.
Signed-off-by: Yu Liao <liaoy...@huawei.com>
Reviewed-by: Tomasz Figa <tf...@chromium.org>
Signed-off-by: Hans Verkuil <hverkuil-ci...@xs4all.nl>
drivers/media/common/videobuf2/frame_vector.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/drivers/media/common/videobuf2/frame_vector.c
b/drivers/media/common/videobuf2/frame_vector.c
index 0f430ddc1f67..ff1c3ebee4b0 100644
--- a/drivers/media/common/videobuf2/frame_vector.c
+++ b/drivers/media/common/videobuf2/frame_vector.c
@@ -157,7 +157,7 @@ EXPORT_SYMBOL(frame_vector_to_pfns);
struct frame_vector *frame_vector_create(unsigned int nr_frames)
{
struct frame_vector *vec;
- int size = sizeof(struct frame_vector) + sizeof(void *) * nr_frames;
+ int size = struct_size(vec, ptrs, nr_frames);
if (WARN_ON_ONCE(nr_frames == 0))
return NULL;
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