From: Dan Carpenter <error27@gmail.com>
Date: Fri, 8 Jul 2011 07:21:15 +0000 (+0300)
Subject: NFC: pn533: use after free in pn533_disconnect()
X-Git-Tag: firefly_0821_release~3680^2~4429^2~12^2~42^2~15
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=276556dbd2d9f56f8933393f927e88fae142ce8f;p=firefly-linux-kernel-4.4.55.git

NFC: pn533: use after free in pn533_disconnect()

We freed "dev" on the line before.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

diff --git a/drivers/nfc/pn533.c b/drivers/nfc/pn533.c
index 037231540719..c77e0543e502 100644
--- a/drivers/nfc/pn533.c
+++ b/drivers/nfc/pn533.c
@@ -1596,7 +1596,7 @@ static void pn533_disconnect(struct usb_interface *interface)
 	usb_free_urb(dev->out_urb);
 	kfree(dev);
 
-	nfc_dev_info(&dev->interface->dev, "NXP PN533 NFC device disconnected");
+	nfc_dev_info(&interface->dev, "NXP PN533 NFC device disconnected");
 }
 
 static struct usb_driver pn533_driver = {