linux-kernel - [PATCH AUTOSEL 5.14 10/18] scsi: qla2xxx: Return -ENOMEM if kzalloc() fails

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Message-Id: <20211025165939.1393655-10-sashal@kernel.org>
Date:   Mon, 25 Oct 2021 12:59:23 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Zheyu Ma <zheyuma97@...il.com>,
        Himanshu Madhani <himanshu.madhani@...cle.com>,
        "Martin K . Petersen" <martin.petersen@...cle.com>,
        Sasha Levin <sashal@...nel.org>, njavali@...vell.com,
        GR-QLogic-Storage-Upstream@...vell.com, jejb@...ux.ibm.com,
        linux-scsi@...r.kernel.org
Subject: [PATCH AUTOSEL 5.14 10/18] scsi: qla2xxx: Return -ENOMEM if kzalloc() fails

From: Zheyu Ma <zheyuma97@...il.com>

[ Upstream commit 06634d5b6e923ed0d4772aba8def5a618f44c7fe ]

The driver probing function should return < 0 for failure, otherwise
kernel will treat value > 0 as success.

Link: https://lore.kernel.org/r/1634522181-31166-1-git-send-email-zheyuma97@gmail.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@...cle.com>
Signed-off-by: Zheyu Ma <zheyuma97@...il.com>
Signed-off-by: Martin K. Petersen <martin.petersen@...cle.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/scsi/qla2xxx/qla_os.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 37ab71b6a8a7..5eed11042f78 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -4071,7 +4071,7 @@ qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
 					ql_dbg_pci(ql_dbg_init, ha->pdev,
 					    0xe0ee, "%s: failed alloc dsd\n",
 					    __func__);
-					return 1;
+					return -ENOMEM;
 				}
 				ha->dif_bundle_kallocs++;
 
-- 
2.33.0