From: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Date: Mon, 15 Jun 2015 14:35:50 +0000 (+0530)
Subject: parport: fix memory leak
X-Git-Tag: firefly_0821_release~176^2~1364^2~4
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=23c405912b881e3ca516554efde852c2ad550b31;p=firefly-linux-kernel-4.4.55.git

parport: fix memory leak

After the reference count becomes 0 when put_device() is called, it will
execute the release callback where we are freeing all the allocated
memory associated with the device. We missed freeing par_dev->state.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/parport/share.c b/drivers/parport/share.c
index d8079e37a606..1efec44e03aa 100644
--- a/drivers/parport/share.c
+++ b/drivers/parport/share.c
@@ -816,6 +816,7 @@ static void free_pardevice(struct device *dev)
 	struct pardevice *par_dev = to_pardevice(dev);
 
 	kfree(par_dev->name);
+	kfree(par_dev->state);
 	kfree(par_dev);
 }