[libcamera-devel] [PATCH 05/10] libcamera: pipeline: Use existing variable definitions

Kieran Bingham kieran.bingham at ideasonboard.com
Tue Oct 13 17:12:36 CEST 2020


Prevent variable aliasing by removing the redeclaration of variables
with the same name (and type) where the existing variable can be reused.

Signed-off-by: Kieran Bingham <kieran.bingham at ideasonboard.com>
---
 src/libcamera/pipeline/raspberrypi/raspberrypi.cpp | 2 +-
 src/libcamera/pipeline/raspberrypi/rpi_stream.cpp  | 2 +-
 src/libcamera/pipeline/simple/simple.cpp           | 4 ++--
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp b/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp
index 85e0a1f26ab6..2d70d984a276 100644
--- a/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp
+++ b/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp
@@ -1008,7 +1008,7 @@ int PipelineHandlerRPi::queueAllBuffers(Camera *camera)
 			 */
 			unsigned int i;
 			for (i = 0; i < data->dropFrameCount_; i++) {
-				int ret = stream->queueBuffer(nullptr);
+				ret = stream->queueBuffer(nullptr);
 				if (ret)
 					return ret;
 			}
diff --git a/src/libcamera/pipeline/raspberrypi/rpi_stream.cpp b/src/libcamera/pipeline/raspberrypi/rpi_stream.cpp
index 1a42cc17bcba..17e38924d653 100644
--- a/src/libcamera/pipeline/raspberrypi/rpi_stream.cpp
+++ b/src/libcamera/pipeline/raspberrypi/rpi_stream.cpp
@@ -163,7 +163,7 @@ void Stream::returnBuffer(FrameBuffer *buffer)
 	 * If so, do it now as availableBuffers_ will not be empty.
 	 */
 	while (!requestBuffers_.empty()) {
-		FrameBuffer *buffer = requestBuffers_.front();
+		buffer = requestBuffers_.front();
 
 		if (!buffer) {
 			/*
diff --git a/src/libcamera/pipeline/simple/simple.cpp b/src/libcamera/pipeline/simple/simple.cpp
index 999c44515023..33daa2fb1b7b 100644
--- a/src/libcamera/pipeline/simple/simple.cpp
+++ b/src/libcamera/pipeline/simple/simple.cpp
@@ -612,8 +612,8 @@ int SimplePipelineHandler::configure(Camera *camera, CameraConfiguration *c)
 	useConverter_ = config->needConversion();
 
 	if (useConverter_) {
-		int ret = converter_->configure(pipeConfig.pixelFormat,
-						pipeConfig.captureSize, &cfg);
+		ret = converter_->configure(pipeConfig.pixelFormat,
+					    pipeConfig.captureSize, &cfg);
 		if (ret < 0) {
 			LOG(SimplePipeline, Error)
 				<< "Unable to configure converter";
-- 
2.25.1



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