Anand K Mistry 9a67bc4aac drm/mediatek: Stop iterating dma addresses when sg_dma_len() == 0 ...

If dma_map_sg() merges pages when creating the mapping, only the first
entries will have a valid sg_dma_address() and sg_dma_len(), followed by
entries with sg_dma_len() == 0.

Signed-off-by: Anand K Mistry <amistry@google.com>
Signed-off-by: Anand K Mistry <amistry@chromium.org>
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>

2020-05-21 00:10:08 +08:00

6.6 KiB

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