ffi/fwht_decode: clarify error message

lu-zero · Nov 28, 2021 · d5fb64d · d5fb64d
1 parent 063eb56
commit d5fb64d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/ffi/examples/c_fwht_decode/fwht_decode.c b/ffi/examples/c_fwht_decode/fwht_decode.c
@@ -31,7 +31,7 @@ allocate_dmabufs(const struct v4l2_format *format,
 
   dma_device = open("/dev/dma_heap/system", O_RDWR | O_CLOEXEC);
   if (dma_device < 0) {
-    perror("error opening DMA heap device");
+    perror("error opening DMA heap device /dev/dma_heap/system");
     goto end;
   }