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Bottomley" , "Martin K. Petersen" , Dan Williams , linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] isci: Fix dma_unmap_sg() nents value Date: Fri, 27 Jun 2025 16:24:47 +0200 Message-ID: <20250627142451.241713-2-fourier.thomas@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" 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 --- 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 i= sci_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 =3D &task->smp_task.smp_req; --=20 2.43.0