]> git.ipfire.org Git - thirdparty/kernel/linux.git/commitdiff
scsi: isci: Fix dma_unmap_sg() nents value
authorThomas Fourier <fourier.thomas@gmail.com>
Fri, 27 Jun 2025 14:24:47 +0000 (16:24 +0200)
committerMartin K. Petersen <martin.petersen@oracle.com>
Tue, 15 Jul 2025 00:57:25 +0000 (20:57 -0400)
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@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>
drivers/scsi/isci/request.c

index 355a0bc0828e749a45513309b942cfdae4878a7c..bb89a2e33eb40718ea3776f52103df32db834a30 100644 (file)
@@ -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;