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libcamera: Declare static local variables as const where applicable

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We use static local variables to indicate errors in methods that return
a const reference. The local variables can thus be const, make them so.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
This commit is contained in:
Laurent Pinchart
2020-01-19 00:38:04 +02:00
parent 7216c6a9bb
commit 0228e9c927
4 changed files with 4 additions and 4 deletions
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2
src/libcamera/framebuffer_allocator.cpp
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@@ -203,7 +203,7 @@ int FrameBufferAllocator::free(Stream *stream)
const std::vector<std::unique_ptr<FrameBuffer>> &
FrameBufferAllocator::buffers(Stream *stream) const
{
static std::vector<std::unique_ptr<FrameBuffer>> empty;
static const std::vector<std::unique_ptr<FrameBuffer>> empty;
auto iter = buffers_.find(stream);
if (iter == buffers_.end())