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* [PATCH] scsi: qla2xxx: Fix dma mapping test in `qla24xx_get_port_database()`
@ 2025-06-17 16:11 Thomas Fourier
  2025-06-25  1:47 ` Martin K. Petersen
  0 siblings, 1 reply; 2+ messages in thread
From: Thomas Fourier @ 2025-06-17 16:11 UTC (permalink / raw)
  Cc: Thomas Fourier, Nilesh Javali, GR-QLogic-Storage-Upstream,
	James E.J. Bottomley, Martin K. Petersen, Joe Carnuccio,
	Himanshu Madhani, linux-scsi, linux-kernel

`dma_map_XXX()` functions return as error values DMA_MAPPING_ERROR which
is often ~0.  The error value should be tested with
`dma_mapping_error()` like it was done in `qla26xx_dport_diagnostics()`.

Fixes: 818c7f87a177 ("scsi: qla2xxx: Add changes in preparation for vendor extended FDMI/RDP")
Signed-off-by: Thomas Fourier <fourier.thomas@gmail.com>
---
 drivers/scsi/qla2xxx/qla_mbx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index 0cd6f3e14882..13b6cb1b93ac 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -2147,7 +2147,7 @@ qla24xx_get_port_database(scsi_qla_host_t *vha, u16 nport_handle,
 
 	pdb_dma = dma_map_single(&vha->hw->pdev->dev, pdb,
 	    sizeof(*pdb), DMA_FROM_DEVICE);
-	if (!pdb_dma) {
+	if (dma_mapping_error(&vha->hw->pdev->dev, pdb_dma)) {
 		ql_log(ql_log_warn, vha, 0x1116, "Failed to map dma buffer.\n");
 		return QLA_MEMORY_ALLOC_FAILED;
 	}
-- 
2.43.0


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2025-06-17 16:11 [PATCH] scsi: qla2xxx: Fix dma mapping test in `qla24xx_get_port_database()` Thomas Fourier
2025-06-25  1:47 ` Martin K. Petersen

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