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* [PATCH] scsi: qla4xxx: Fix missing dma mapping error in qla4xxx_alloc_pdu()
@ 2025-06-18  7:17 Thomas Fourier
  2025-06-25  1:47 ` Martin K. Petersen
  0 siblings, 1 reply; 2+ messages in thread
From: Thomas Fourier @ 2025-06-18  7:17 UTC (permalink / raw)
  Cc: Thomas Fourier, Nilesh Javali, Manish Rangankar,
	GR-QLogic-Storage-Upstream, James E.J. Bottomley,
	Martin K. Petersen, Mike Christie, James Bottomley,
	Lalit Chandivade, linux-scsi, linux-kernel

dma_map_XXX() can fail and should be tested for errors with
dma_mapping_error().

Fixes: b3a271a94d00 ("[SCSI] qla4xxx: support iscsiadm session mgmt")
Signed-off-by: Thomas Fourier <fourier.thomas@gmail.com>
---
 drivers/scsi/qla4xxx/ql4_os.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index d4141656b204..a39f1da4ce47 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -3420,6 +3420,8 @@ static int qla4xxx_alloc_pdu(struct iscsi_task *task, uint8_t opcode)
 		task_data->data_dma = dma_map_single(&ha->pdev->dev, task->data,
 						     task->data_count,
 						     DMA_TO_DEVICE);
+		if (dma_mapping_error(&ha->pdev->dev, task_data->data_dma))
+			return -ENOMEM;
 	}
 
 	DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n",
-- 
2.43.0


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2025-06-18  7:17 [PATCH] scsi: qla4xxx: Fix missing dma mapping error in qla4xxx_alloc_pdu() Thomas Fourier
2025-06-25  1:47 ` Martin K. Petersen

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