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libcamera: media_device: Zero media graph arrays when querying topology

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This silences valgrind that otherwise warns about usage of uninitialized
values. While not strictly required as the kernel should fill the whole
arrays in MEDIA_IOC_G_TOPOLOGY, the extra cost, in a non-critical path,
is negligible compared to the ability to run without valgrind warnings.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
This commit is contained in:
Laurent Pinchart 2019-01-02 03:54:44 +02:00
parent 1b80471805
commit c59272f417
1 changed files with 4 additions and 4 deletions
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8
src/libcamera/media_device.cpp
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@ -240,10 +240,10 @@ int MediaDevice::populate()
delete[] pads; delete[] pads;
delete[] interfaces; delete[] interfaces;
ents = new media_v2_entity[topology.num_entities]; ents = new media_v2_entity[topology.num_entities]();
links = new media_v2_link[topology.num_links]; links = new media_v2_link[topology.num_links]();
pads = new media_v2_pad[topology.num_pads]; pads = new media_v2_pad[topology.num_pads]();
interfaces = new media_v2_interface[topology.num_interfaces]; interfaces = new media_v2_interface[topology.num_interfaces]();
version = topology.topology_version; version = topology.topology_version;
} }