linux-kernel - [PATCH 4.9 090/310] net/wan/fsl_ucc

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Date:   Wed, 11 Apr 2018 20:33:49 +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, Holger Brunck <holger.brunck@...mile.com>,
        Zhao Qiang <qiang.zhao@....com>,
        "David S. Miller" <davem@...emloft.net>,
        Sasha Levin <alexander.levin@...rosoft.com>
Subject: [PATCH 4.9 090/310] net/wan/fsl_ucc_hdlc: fix muram allocation error

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

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

From: Holger Brunck <holger.brunck@...mile.com>


[ Upstream commit 85deed56032b6c98b541895bfda9bdd74f6ed987 ]

sizeof(priv->ucc_pram) is 4 as it is the size of a pointer, but we want
to reserve space for the struct ucc_hdlc_param.

Signed-off-by: Holger Brunck <holger.brunck@...mile.com>
Cc: Zhao Qiang <qiang.zhao@....com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Sasha Levin <alexander.levin@...rosoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/net/wan/fsl_ucc_hdlc.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/net/wan/fsl_ucc_hdlc.c
+++ b/drivers/net/wan/fsl_ucc_hdlc.c
@@ -158,7 +158,7 @@ static int uhdlc_init(struct ucc_hdlc_pr
 	}
 
 	/* Alloc parameter ram for ucc hdlc */
-	priv->ucc_pram_offset = qe_muram_alloc(sizeof(priv->ucc_pram),
+	priv->ucc_pram_offset = qe_muram_alloc(sizeof(struct ucc_hdlc_param),
 				ALIGNMENT_OF_UCC_HDLC_PRAM);
 
 	if (priv->ucc_pram_offset < 0) {