From: Thomas Fourier <fourier.thomas@gmail.com>
Cc: Thomas Fourier <fourier.thomas@gmail.com>,
Nilesh Javali <njavali@marvell.com>,
Manish Rangankar <mrangankar@marvell.com>,
GR-QLogic-Storage-Upstream@marvell.com,
"James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>,
"Martin K. Petersen" <martin.petersen@oracle.com>,
Mike Christie <michaelc@cs.wisc.edu>,
James Bottomley <JBottomley@Parallels.com>,
Lalit Chandivade <lalit.chandivade@qlogic.com>,
linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH] scsi: qla4xxx: Fix missing dma mapping error in qla4xxx_alloc_pdu()
Date: Wed, 18 Jun 2025 09:17:37 +0200 [thread overview]
Message-ID: <20250618071742.21822-2-fourier.thomas@gmail.com> (raw)
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
next reply other threads:[~2025-06-18 7:18 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-18 7:17 Thomas Fourier [this message]
2025-06-25 1:47 ` Martin K. Petersen
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