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-rw-r--r--src/libcamera/ipa_interface.cpp5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/libcamera/ipa_interface.cpp b/src/libcamera/ipa_interface.cpp
index 2f86087e..90015449 100644
--- a/src/libcamera/ipa_interface.cpp
+++ b/src/libcamera/ipa_interface.cpp
@@ -258,6 +258,11 @@
* \param[in] buffers The buffers to map
* \param[in] num_buffers The number of entries in the \a buffers array
*
+ * The dmabuf file descriptors provided in \a buffers are borrowed from the
+ * caller and are only guaranteed to be valid during the map_buffers() call.
+ * Should the callee need to store a copy of the file descriptors, it shall
+ * duplicate them first with ::dup().
+ *
* \sa libcamera::IPAInterface::mapBuffers()
*/