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Calling it for every DMA transfer is unnecessary and counterproductive. This function is generally intended for cleanup paths such as module removal, device close, or unbind operations. Remove the redundant calls for success path and keep it only at error path. Tested-by: Niklas Cassel Signed-off-by: Frank Li --- This one also fix stress test failure after remove mutex and use new API dmaengine_prep_slave_sg_config(). --- drivers/nvme/target/pci-epf.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/nvme/target/pci-epf.c b/drivers/nvme/target/pci-epf.c index f858a6c9d7cb90670037a957cebdcbf17dddc43b..56b1c6a7706a9e2dd9d8aaf17b440129b948486c 100644 --- a/drivers/nvme/target/pci-epf.c +++ b/drivers/nvme/target/pci-epf.c @@ -420,10 +420,9 @@ static int nvmet_pci_epf_dma_transfer(struct nvmet_pci_epf *nvme_epf, if (dma_sync_wait(chan, cookie) != DMA_COMPLETE) { dev_err(dev, "DMA transfer failed\n"); ret = -EIO; + dmaengine_terminate_sync(chan); } - dmaengine_terminate_sync(chan); - unmap: dma_unmap_single(dma_dev, dma_addr, seg->length, dir); -- 2.34.1