linux-kernel - [PATCH 4.4 156/190] EDAC, mv64x60: Fix an error handling path

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Message-Id: <20180411183601.697824604@linuxfoundation.org>
Date:   Wed, 11 Apr 2018 20:36:42 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        linux-edac <linux-edac@...r.kernel.org>,
        Borislav Petkov <bp@...e.de>,
        Sasha Levin <alexander.levin@...rosoft.com>
Subject: [PATCH 4.4 156/190] EDAC, mv64x60: Fix an error handling path

4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Christophe JAILLET <christophe.jaillet@...adoo.fr>


[ Upstream commit 68fa24f9121c04ef146b5158f538c8b32f285be5 ]

We should not call edac_mc_del_mc() if a corresponding call to
edac_mc_add_mc() has not been performed yet.

So here, we should go to err instead of err2 to branch at the right
place of the error handling path.

Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
Cc: linux-edac <linux-edac@...r.kernel.org>
Link: http://lkml.kernel.org/r/20180107205400.14068-1-christophe.jaillet@wanadoo.fr
Signed-off-by: Borislav Petkov <bp@...e.de>
Signed-off-by: Sasha Levin <alexander.levin@...rosoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/edac/mv64x60_edac.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/edac/mv64x60_edac.c
+++ b/drivers/edac/mv64x60_edac.c
@@ -763,7 +763,7 @@ static int mv64x60_mc_err_probe(struct p
 		/* Non-ECC RAM? */
 		printk(KERN_WARNING "%s: No ECC DIMMs discovered\n", __func__);
 		res = -ENODEV;
-		goto err2;
+		goto err;
 	}
 
 	edac_dbg(3, "init mci\n");