]> git.karo-electronics.de Git - linux-beck.git/commit
usb: ehci-mxc: check for pdata before dereferencing
authorDaniel Mack <zonque@gmail.com>
Wed, 21 Aug 2013 09:17:21 +0000 (11:17 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 23 Aug 2013 17:46:03 +0000 (10:46 -0700)
commitf375fc520d4df0cd9fcb570f33c103c6c0311f9e
tree27979fd0b29a34f678a6743f033c3f7bb5fc3cb2
parent67e51ec4ed09482b53a81fb33df81a2d5a15aa2f
usb: ehci-mxc: check for pdata before dereferencing

Commit 7e8d5cd93fac ("USB: Add EHCI support for MX27 and MX31 based
boards") introduced code that could potentially lead to a NULL pointer
dereference on driver removal.

Fix this by checking for the value of pdata before dereferencing it.

Signed-off-by: Daniel Mack <zonque@gmail.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: stable <stable@vger.kernel.org> # 2.6.33+
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/host/ehci-mxc.c