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rpmsg: do cache_invalidate() when real data returned

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This is a bugfix when open VIRTIO_CACHED_BUFFERS

Signed-off-by: Guiding Li <liguiding1@xiaomi.com>
This commit is contained in:
Guiding Li
2023-03-07 11:05:40 +01:00
committed by Arnaud Pouliquen
parent 7513776e35
commit 246540f3d6
1 changed files with 2 additions and 1 deletions
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lib/rpmsg/rpmsg_virtio.c
+2 -1
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@@ -244,7 +244,8 @@ static void *rpmsg_virtio_get_rx_buffer(struct rpmsg_virtio_device *rvdev,
#ifdef VIRTIO_CACHED_BUFFERS
/* Invalidate the buffer before returning it */
metal_cache_invalidate(data, *len);
if (data)
metal_cache_invalidate(data, *len);
#endif /* VIRTIO_CACHED_BUFFERS */
return data;