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Message-ID: <20250627142451.241713-2-fourier.thomas@gmail.com>
Date: Fri, 27 Jun 2025 16:24:47 +0200
From: Thomas Fourier <fourier.thomas@...il.com>
To:
Cc: Thomas Fourier <fourier.thomas@...il.com>,
"James E.J. Bottomley" <James.Bottomley@...senPartnership.com>,
"Martin K. Petersen" <martin.petersen@...cle.com>,
Dan Williams <dan.j.williams@...el.com>,
linux-scsi@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH] 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: ddcc7e347a89 ("isci: fix dma_unmap_sg usage")
Signed-off-by: Thomas Fourier <fourier.thomas@...il.com>
---
drivers/scsi/isci/request.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/scsi/isci/request.c b/drivers/scsi/isci/request.c
index 355a0bc0828e..bb89a2e33eb4 100644
--- a/drivers/scsi/isci/request.c
+++ b/drivers/scsi/isci/request.c
@@ -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;
--
2.43.0
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