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| /openbmc/linux/drivers/virtio/ |
| H A D | virtio_ring.c | diff 0e27fa6ddeb0e070398692e369ce52fa91f9442d Thu Aug 10 07:30:47 CDT 2023 Xuan Zhuo <xuanzhuo@linux.alibaba.com> virtio_ring: put mapping error check in vring_map_one_sg
This patch put the dma addr error check in vring_map_one_sg().
The benefits of doing this:
1. reduce one judgment of vq->use_dma_api.
2. make vring_map_one_sg more simple, without calling
vring_mapping_error to check the return value. simplifies subsequent
code
Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20230810123057.43407-3-xuanzhuo@linux.alibaba.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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