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(parent: 2c9c637) | patch
virtio_ring: check use_dma_api before unmap desc for indirect
authorXuan Zhuo <xuanzhuo@linux.alibaba.com>
Thu, 10 Aug 2023 12:30:46 +0000 (20:30 +0800)
committerMichael S. Tsirkin <mst@redhat.com>
Sun, 3 Sep 2023 22:10:22 +0000 (18:10 -0400)
commit610c708bf872fa575f33f74a1650a7011055b7aa
treed90c3c9ca32747e4a3513991fc73c33061c8bc00tree | snapshot
parent2c9c63711607e3742029f433f130320a9fd7a6a0commit | diff
virtio_ring: check use_dma_api before unmap desc for indirect

Inside detach_buf_split(), if use_dma_api is false,
vring_unmap_one_split_indirect will be called many times, but actually
nothing is done. So this patch check use_dma_api firstly.

Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20230810123057.43407-2-xuanzhuo@linux.alibaba.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
drivers/virtio/virtio_ring.c diff | blob | history
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