From: Graham Williams <gwilli@broadcom.com>
Date: Wed, 28 Aug 2013 23:36:14 +0000 (-0700)
Subject: usb: acm gadget: Null termintate strings table
X-Git-Tag: v3.11.1~10
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a14894e25d0c5c1871e4e8c52f3d54517f0e459b;p=thirdparty%2Fkernel%2Fstable.git

usb: acm gadget: Null termintate strings table

commit d257221854f0b34cca3247e6c45344d0470f7398 upstream.

The gadget strings table should be null terminated.
usb_gadget_get_string() loops through the table
expecting a null at the end of the list.

Signed-off-by: Graham Williams <gwilli@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/usb/gadget/f_acm.c b/drivers/usb/gadget/f_acm.c
index 4b7e33e5d9c62..ab1065afbbd0c 100644
--- a/drivers/usb/gadget/f_acm.c
+++ b/drivers/usb/gadget/f_acm.c
@@ -285,6 +285,7 @@ static struct usb_string acm_string_defs[] = {
 	[ACM_CTRL_IDX].s = "CDC Abstract Control Model (ACM)",
 	[ACM_DATA_IDX].s = "CDC ACM Data",
 	[ACM_IAD_IDX ].s = "CDC Serial",
+	{  } /* end of list */
 };
 
 static struct usb_gadget_strings acm_string_table = {