From: Arnd Bergmann <arnd@xxxxxxxx>
The compression offload code cannot be in a loadable module unless it
imports that namespace:
ERROR: modpost: module snd-compress uses symbol dma_buf_get from namespace DMA_BUF, but does not import it.
ERROR: modpost: module snd-compress uses symbol dma_buf_put from namespace DMA_BUF, but does not import it.
ERROR: modpost: module snd-compress uses symbol dma_buf_fd from namespace DMA_BUF, but does not import it.
Fixes: 04177158cf98 ("ALSA: compress_offload: introduce accel operation mode")
Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
---
sound/core/compress_offload.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/sound/core/compress_offload.c b/sound/core/compress_offload.c
index 86ed2fbee0c8..ec2485c00e49 100644
--- a/sound/core/compress_offload.c
+++ b/sound/core/compress_offload.c
@@ -1247,6 +1247,7 @@ void snd_compr_task_finished(struct snd_compr_stream *stream,
}
EXPORT_SYMBOL_GPL(snd_compr_task_finished);
+MODULE_IMPORT_NS("DMA_BUF");
#endif /* CONFIG_SND_COMPRESS_ACCEL */
static long snd_compr_ioctl(struct file *f, unsigned int cmd, unsigned long arg)
--
2.39.5
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