linux-kernel - [PATCH] scsi: lpfc: Fix different base types in assignment

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Date:   Fri, 19 Feb 2021 17:23:42 +0800
From:   Yang Li <yang.lee@...ux.alibaba.com>
To:     martin.petersen@...cle.com
Cc:     jejb@...ux.ibm.com, dick.kennedy@...adcom.com,
        james.smart@...adcom.com, linux-scsi@...r.kernel.org,
        linux-kernel@...r.kernel.org, Yang Li <yang.lee@...ux.alibaba.com>
Subject: [PATCH] scsi: lpfc: Fix different base types in assignment

Fix the following sparse warnings:
drivers/scsi/lpfc/lpfc_nvme.c:833:22: warning: incorrect type in
assignment (different base types)

cpu_to_le32() returns __le32, but sgl->sge_len is uint32_t type.

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@...ux.alibaba.com>
---
 drivers/scsi/lpfc/lpfc_nvme.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/lpfc/lpfc_nvme.c b/drivers/scsi/lpfc/lpfc_nvme.c
index 39d147e..b916a20 100644
--- a/drivers/scsi/lpfc/lpfc_nvme.c
+++ b/drivers/scsi/lpfc/lpfc_nvme.c
@@ -833,7 +833,7 @@
 	 * operation.
 	 */
 	sgl = lpfc_ncmd->dma_sgl;
-	sgl->sge_len = cpu_to_le32(nCmd->cmdlen);
+	sgl->sge_len = (__force uint32_t)cpu_to_le32(nCmd->cmdlen);
 	if (phba->cfg_nvme_embed_cmd) {
 		sgl->addr_hi = 0;
 		sgl->addr_lo = 0;
-- 
1.8.3.1