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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2020-10-20 22:43:16 +0300
committerLaurent Pinchart <laurent.pinchart@ideasonboard.com>2020-10-21 22:09:50 +0300
commit8ddaa824ab2302e8d5b8926b1d8a51df7eb47f29 (patch)
treeb405936a2f9f058f2b864bd557e681da7fda528c /include/linux
parent9f567cc140bdbd7dc1db8efa76cd93862000c218 (diff)
libcamera: pipeline: Fail match() when no camera is registered
The rkisp1 and simple pipeline handlers can fail to register any camera, if initialization of all the detected cameras fail. In that case, they still return success from their match function. As no camera gets registered, the pipeline handler is immediately destroyed, releasing the acquired media devices, and the camera manager immediately tries to match the same pipeline handler with the same media device, causing an endless loop. Fix it by returning false from the match function if no camera gets registered. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Tested-by: Andrey Konovalov <andrey.konovalov@linaro.org> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
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