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: 692e5d73a811 ("scsi: elx: efct: LIO backend interface routines")
Signed-off-by: Thomas Fourier <fourier.thomas@gmail.com>
---
 drivers/scsi/elx/efct/efct_lio.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/elx/efct/efct_lio.c b/drivers/scsi/elx/efct/efct_lio.c
index 9ac69356b13e..bd3d489e56ae 100644
--- a/drivers/scsi/elx/efct/efct_lio.c
+++ b/drivers/scsi/elx/efct/efct_lio.c
@@ -382,7 +382,7 @@ efct_lio_sg_unmap(struct efct_io *io)
 		return;
 
 	dma_unmap_sg(&io->efct->pci->dev, cmd->t_data_sg,
-		     ocp->seg_map_cnt, cmd->data_direction);
+		     cmd->t_data_nents, cmd->data_direction);
 	ocp->seg_map_cnt = 0;
 }
 
-- 
2.43.0

On Fri, 27 Jun 2025 13:41:13 +0200, Thomas Fourier wrote:

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

Applied to 6.17/scsi-queue, thanks!

[1/1] scsi: elx: efct: Fix dma_unmap_sg() nents value
      https://git.kernel.org/mkp/scsi/c/3a988d0b65d7

-- 
Martin K. Petersen	Oracle Linux Engineering

Thomas,

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

Applied to 6.17/scsi-staging, thanks!

-- 
Martin K. Petersen