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scsi: qla4xxx: Fix missing DMA mapping error in qla4xxx_alloc_pdu()

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[ Upstream commit 00f452a1b084efbe8dcb60a29860527944a002a1 ]

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

Fixes: b3a271a94d ("[SCSI] qla4xxx: support iscsiadm session mgmt")
Signed-off-by: Thomas Fourier <fourier.thomas@gmail.com>
Link: https://lore.kernel.org/r/20250618071742.21822-2-fourier.thomas@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Thomas Fourier
2025-06-18 09:17:37 +02:00
committed by Greg Kroah-Hartman
parent c3ec87fbb0
commit 39dac98aca
1 changed files with 2 additions and 0 deletions
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2
drivers/scsi/qla4xxx/ql4_os.c
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@@ -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",