linux-kernel - [PATCH 6/9] pti: ENXIO error case memory leak PTI fix.

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Message-Id: <1309276926-1327-6-git-send-email-gregkh@suse.de>
Date:	Tue, 28 Jun 2011 09:02:03 -0700
From:	Greg Kroah-Hartman <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org
Cc:	J Freyensee <james_p_freyensee@...ux.intel.com>,
	Greg Kroah-Hartman <gregkh@...e.de>
Subject: [PATCH 6/9] pti: ENXIO error case memory leak PTI fix.

From: J Freyensee <james_p_freyensee@...ux.intel.com>

This patch fixes a memory leak that can occur in the error case
ENXIO is returned in the pti_tty_install() routine.

Signed-off-by: J Freyensee <james_p_freyensee@...ux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>
---
 drivers/misc/pti.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/drivers/misc/pti.c b/drivers/misc/pti.c
index be48573..e74e7d2 100644
--- a/drivers/misc/pti.c
+++ b/drivers/misc/pti.c
@@ -476,8 +476,10 @@ static int pti_tty_install(struct tty_driver *driver, struct tty_struct *tty)
 		else
 			pti_tty_data->mc = pti_request_masterchannel(2);
 
-		if (pti_tty_data->mc == NULL)
+		if (pti_tty_data->mc == NULL) {
+			kfree(pti_tty_data);
 			return -ENXIO;
+		}
 		tty->driver_data = pti_tty_data;
 	}
 
-- 
1.7.5.4

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