Commit 327ec5f7 authored by Manivannan Sadhasivam's avatar Manivannan Sadhasivam
Browse files

PCI: epf-mhi: Fix the DMA data direction of dma_unmap_single() 



In the error path of pci_epf_mhi_edma_write() function, the DMA data
direction passed (DMA_FROM_DEVICE) doesn't match the actual direction used
for the data transfer. Fix it by passing the correct one (DMA_TO_DEVICE).

Fixes: 7b99aaad ("PCI: epf-mhi: Add eDMA support")
Reviewed-by: default avatarKrzysztof Wilczyński <kw@linux.com>
Link: https://lore.kernel.org/r/20231214063328.40657-1-manivannan.sadhasivam@linaro.org


Signed-off-by: default avatarManivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
parent 309ab14f

drivers/pci/endpoint/functions/pci-epf-mhi.c

+1 −1
Original line number Diff line number Diff line
@@ -424,7 +424,7 @@ static int pci_epf_mhi_edma_write(struct mhi_ep_cntrl *mhi_cntrl, 
	}



err_unmap:

	dma_unmap_single(dma_dev, src_addr, buf_info->size, DMA_FROM_DEVICE);

	dma_unmap_single(dma_dev, src_addr, buf_info->size, DMA_TO_DEVICE);

err_unlock:

	mutex_unlock(&epf_mhi->lock);