From: J Freyensee <james_p_freyensee@linux.intel.com>
Date: Wed, 25 May 2011 21:45:40 +0000 (-0700)
Subject: pti: ENXIO error case memory leak PTI fix.
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=1dae42bff57f7a61577ee881265985a660d35c07;p=deliverable%2Flinux.git

pti: ENXIO error case memory leak PTI fix.

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@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/misc/pti.c b/drivers/misc/pti.c
index be4857358d91..e74e7d266569 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;
 	}