linux-kernel - [PATCH AUTOSEL 5.15 09/17] scsi: hisi_sas: Check devm_add

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Message-Id: <20230320005521.1428820-9-sashal@kernel.org>
Date:   Sun, 19 Mar 2023 20:55:11 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Kang Chen <void0red@...il.com>,
        Xiang Chen <chenxiang66@...ilicon.com>,
        "Martin K . Petersen" <martin.petersen@...cle.com>,
        Sasha Levin <sashal@...nel.org>, jejb@...ux.ibm.com,
        linux-scsi@...r.kernel.org
Subject: [PATCH AUTOSEL 5.15 09/17] scsi: hisi_sas: Check devm_add_action() return value

From: Kang Chen <void0red@...il.com>

[ Upstream commit 06d1a90de60208054cca15ef200138cfdbb642a9 ]

In case devm_add_action() fails, check it in the caller of
interrupt_preinit_v3_hw().

Link: https://lore.kernel.org/r/20230227031030.893324-1-void0red@gmail.com
Signed-off-by: Kang Chen <void0red@...il.com>
Acked-by: Xiang Chen <chenxiang66@...ilicon.com>
Signed-off-by: Martin K. Petersen <martin.petersen@...cle.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
index fa22cb712be5a..9515ab66a7789 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
@@ -2424,8 +2424,7 @@ static int interrupt_preinit_v3_hw(struct hisi_hba *hisi_hba)
 	hisi_hba->cq_nvecs = vectors - BASE_VECTORS_V3_HW;
 	shost->nr_hw_queues = hisi_hba->cq_nvecs;
 
-	devm_add_action(&pdev->dev, hisi_sas_v3_free_vectors, pdev);
-	return 0;
+	return devm_add_action(&pdev->dev, hisi_sas_v3_free_vectors, pdev);
 }
 
 static int interrupt_init_v3_hw(struct hisi_hba *hisi_hba)
-- 
2.39.2