5.4-stable review patch. If anyone has any objections, please let me know.
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From: Thomas Fourier fourier.thomas@gmail.com
[ Upstream commit 00f452a1b084efbe8dcb60a29860527944a002a1 ]
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 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 --- 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 ea15bbe0397fc..af1c45dd2f38a 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -3394,6 +3394,8 @@ 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",