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(parent: 7965eef) | patch
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, 27 Sep 2013 00:18:06 +0000 (17:18 -0700)
commitb096d2211a059f6b22f089e3907e061409dbb6c5
treeb29b477e133a55440e70056734a22c881bdc2ef7tree | snapshot
parent7965eef853ccd9e30f1ee5d5df27a48b77a22a4bcommit | diff
usb: ehci-mxc: check for pdata before dereferencing

commit f375fc520d4df0cd9fcb570f33c103c6c0311f9e upstream.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/host/ehci-mxc.c diff | blob | history
Domain: System / Kernel;