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scsi: isci: Fix dma_unmap_sg() nents value

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[ Upstream commit 063bec4444d54e5f35d11949c5c90eaa1ff84c11 ]

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: ddcc7e347a ("isci: fix dma_unmap_sg usage")
Signed-off-by: Thomas Fourier <fourier.thomas@gmail.com>
Link: https://lore.kernel.org/r/20250627142451.241713-2-fourier.thomas@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Thomas Fourier
2025-06-27 16:24:47 +02:00
committed by Greg Kroah-Hartman
parent 0d1d577bb4
commit 352fd83e70
1 changed files with 1 additions and 1 deletions
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2
drivers/scsi/isci/request.c
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@@ -2914,7 +2914,7 @@ 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;