]> git.baikalelectronics.ru Git - kernel.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)
commitc0b33f3d131eef97a143da87a1e2d2ed734b9cec
tree27979fd0b29a34f678a6743f033c3f7bb5fc3cb2
parente8c1c725d16efd9a73c81807335fcbbad493bc3f
usb: ehci-mxc: check for pdata before dereferencing

Commit 0602082a7f1c ("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