linux-kernel - [PATCH] ata: libata-pmp: Fix missing error code in sata_pmp_eh

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Message-Id: <1622545579-19345-1-git-send-email-jiapeng.chong@linux.alibaba.com>
Date:   Tue,  1 Jun 2021 19:06:19 +0800
From:   Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
To:     axboe@...nel.dk
Cc:     linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
Subject: [PATCH] ata: libata-pmp: Fix missing error code in sata_pmp_eh_recover()

The error code is missing in this code scenario, add the error code
'-EINVAL' to the return value 'rc'.

Eliminate the follow smatch warning:

drivers/ata/libata-pmp.c:980 sata_pmp_eh_recover() warn: missing error
code 'rc'.

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
---
 drivers/ata/libata-pmp.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/ata/libata-pmp.c b/drivers/ata/libata-pmp.c
index ba7be3f..66985af 100644
--- a/drivers/ata/libata-pmp.c
+++ b/drivers/ata/libata-pmp.c
@@ -977,6 +977,7 @@ static int sata_pmp_eh_recover(struct ata_port *ap)
 			ata_link_warn(pmp_link,
 				"failed to disable NOTIFY (err_mask=0x%x)\n",
 				err_mask);
+			rc = -EINVAL;
 			goto pmp_fail;
 		}
 	}
-- 
1.8.3.1