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-rw-r--r--src/libcamera/v4l2_videodevice.cpp9
1 files changed, 8 insertions, 1 deletions
diff --git a/src/libcamera/v4l2_videodevice.cpp b/src/libcamera/v4l2_videodevice.cpp
index d35596bd..fbe55bc6 100644
--- a/src/libcamera/v4l2_videodevice.cpp
+++ b/src/libcamera/v4l2_videodevice.cpp
@@ -1276,7 +1276,14 @@ FileDescriptor V4L2VideoDevice::exportDmabufFd(unsigned int index,
return FileDescriptor();
}
- return FileDescriptor(expbuf.fd);
+ FileDescriptor fd(expbuf.fd);
+ /*
+ * FileDescriptor takes a duplicate of fd, so we must close the
+ * original here, otherwise it will be left dangling.
+ */
+ ::close(expbuf.fd);
+
+ return fd;
}
/**