[libcamera-devel] [PATCH 03/14] libcamera: v4l2_videodevice: Move FD duplication in V4L2Device::Open
Xavier Roumegue
xavier.roumegue at oss.nxp.com
Thu Sep 8 20:48:39 CEST 2022
This ensures that the V4L2Device controls attributes have been enumerated
in its open() method in case of file descriptor duplication.
Signed-off-by: Xavier Roumegue <xavier.roumegue at oss.nxp.com>
---
src/libcamera/v4l2_videodevice.cpp | 12 ++----------
1 file changed, 2 insertions(+), 10 deletions(-)
diff --git a/src/libcamera/v4l2_videodevice.cpp b/src/libcamera/v4l2_videodevice.cpp
index 955e1508..d0427fef 100644
--- a/src/libcamera/v4l2_videodevice.cpp
+++ b/src/libcamera/v4l2_videodevice.cpp
@@ -661,17 +661,9 @@ int V4L2VideoDevice::open(SharedFD handle, enum v4l2_buf_type type)
{
int ret;
- UniqueFD newFd = handle.dup();
- if (!newFd.isValid()) {
- ret = -errno;
- LOG(V4L2, Error) << "Failed to duplicate file handle: "
- << strerror(-ret);
- return ret;
- }
-
- ret = V4L2Device::setFd(std::move(newFd));
+ ret = V4L2Device::open(handle);
if (ret < 0) {
- LOG(V4L2, Error) << "Failed to set file handle: "
+ LOG(V4L2, Error) << "Failed to open file handle: "
<< strerror(-ret);
return ret;
}
--
2.37.3
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