linux-kernel - [PATCH] parport_cs: Fix memory leak in parport

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Date:   Thu, 21 Mar 2019 16:26:28 +0800
From:   Yue Haibing <yuehaibing@...wei.com>
To:     <sudipm.mukherjee@...il.com>, <gregkh@...uxfoundation.org>
CC:     <linux-kernel@...r.kernel.org>, YueHaibing <yuehaibing@...wei.com>
Subject: [PATCH] parport_cs: Fix memory leak in parport_config

From: YueHaibing <yuehaibing@...wei.com>

parport_probe() alloc parport device 'info',
but while parport_config failed it does not free it.

Signed-off-by: YueHaibing <yuehaibing@...wei.com>
---
 drivers/parport/parport_cs.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/parport/parport_cs.c b/drivers/parport/parport_cs.c
index e9b52e4..e77044c2 100644
--- a/drivers/parport/parport_cs.c
+++ b/drivers/parport/parport_cs.c
@@ -158,8 +158,9 @@ static int parport_config(struct pcmcia_device *link)
     return 0;
 
 failed:
-    parport_cs_release(link);
-    return -ENODEV;
+	parport_cs_release(link);
+	kfree(link->priv);
+	return -ENODEV;
 } /* parport_config */
 
 static void parport_cs_release(struct pcmcia_device *link)
-- 
2.7.0