6.6-stable review patch. If anyone has any objections, please let me know.
------------------
From: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
[ Upstream commit 327ec5f70609cf00c6f961073c01857555c6a8eb ]
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: 7b99aaaddabb ("PCI: epf-mhi: Add eDMA support")
Reviewed-by: Krzysztof Wilczyński <kw@xxxxxxxxx>
Link: https://lore.kernel.org/r/20231214063328.40657-1-manivannan.sadhasivam@xxxxxxxxxx
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/pci/endpoint/functions/pci-epf-mhi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/pci/endpoint/functions/pci-epf-mhi.c b/drivers/pci/endpoint/functions/pci-epf-mhi.c
index ec5f4a38178b..6dc918a8a023 100644
--- a/drivers/pci/endpoint/functions/pci-epf-mhi.c
+++ b/drivers/pci/endpoint/functions/pci-epf-mhi.c
@@ -405,7 +405,7 @@ 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);
--
2.43.0
