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-rw-r--r--src/protocols/types/DMABuffer.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/protocols/types/DMABuffer.cpp b/src/protocols/types/DMABuffer.cpp
index 0f6334e6..b1621de7 100644
--- a/src/protocols/types/DMABuffer.cpp
+++ b/src/protocols/types/DMABuffer.cpp
@@ -118,6 +118,9 @@ CFileDescriptor CDMABuffer::exportSyncFile() {
if (fd == -1)
continue;
+ if (CFileDescriptor::isReadable(fd))
+ continue;
+
dma_buf_export_sync_file request{
.flags = DMA_BUF_SYNC_READ,
.fd = -1,