Commit 063bec44 authored by Thomas Fourier's avatar Thomas Fourier Committed by Martin K. Petersen
Browse files

scsi: isci: Fix dma_unmap_sg() nents value 



The dma_unmap_sg() functions should be called with the same nents as the
dma_map_sg(), not the value the map function returned.

Fixes: ddcc7e34 ("isci: fix dma_unmap_sg usage")
Signed-off-by: default avatarThomas Fourier <fourier.thomas@gmail.com>
Link: https://lore.kernel.org/r/20250627142451.241713-2-fourier.thomas@gmail.com


Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 01416187

drivers/scsi/isci/request.c

+1 −1
Original line number Diff line number Diff line
@@ -2904,7 +2904,7 @@ static void isci_request_io_request_complete(struct isci_host *ihost, 
					 task->total_xfer_len, task->data_dir);

		else  /* unmap the sgl dma addresses */

			dma_unmap_sg(&ihost->pdev->dev, task->scatter,

				     request->num_sg_entries, task->data_dir);

				     task->num_scatter, task->data_dir);

		break;

	case SAS_PROTOCOL_SMP: {

		struct scatterlist *sg = &task->smp_task.smp_req;